Kingston Digital 16 GB microSD Class 10 UHS-1 Memory Card 30MB/s with Adapter (SDC10/16GB)

Kingston Digital 16 GB microSD Class 10 UHS-1 Memory Card 30MB/s with Adapter (SDC10/16GB)..

GET Kingston Digital 16 GB microSD Class 10 UHS-1 Memory Card 30MB/s with Adapter (SDC10/16GB) By Kingston

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76 of 79 people found the following review helpful.
Too slow to be class 10
By BobbyA
I tested the Kingston 8GB class 10 micro SD card using ATTO Disk BenchMark v2.46
Write speed was approximately 7.5 MB/sec, Read speed was approximately 12 MB/sec.
I requested an RMA from Kingston and returned it for an exchange. The new one measured:
Write speed approximately 7 MB/sec, Read speed approximately 13 MB/sec.
Compare these to a Kingston 8GB micro SD class 4 from 2 years ago, which measured:
Write speed approximately 9 MB/sec, Read speed approximately 16 MB/sec.
Or an ADATA 8GB micro SD class 6 (FWIW 1st one of these had to be exchanged too):
Write speed approximately 7 MB/sec, Read speed approximately 16 MB/sec.

Conclusion, unless an application only needs to read quickly, where cameras for instance need to write quickly, I would not buy this SD card again for class 10 performance, since I can get the same result with cheaper claas cards, or better performance with another brand. I also tested each card in my Nikon DSLR, results tracked the Benchmark testing, measured as number of pictures in a 20 second period with the shutter button held down.

Update:
I recently bought a Wintec 16GB class 10, same measurement setup indicated 12 MB/sec write, 16 MB/sec read speed. Besides the wintec actually doing what it was advertised to, these results indicate nothing in my hardware was keeping the Kingston card from achieving 10 MB/sec if it had been good enough.

29 of 31 people found the following review helpful.
Returned 2, didn't meet class 10 rating minimum. My class 6 whooped it.
By Amazon Dealfinder
SD cards have a universal standard they have to meet to get a class rating. The class number guarantees a minimum write speed. MINIMUM being the point, it is NOT an average.

This card is highly rated by numerous computer hardware websites that benchmark flash card memory. On all of those sites the benchmarks show this card exceeding it's rated write speed of 10MB/s (most by double the rated speed).

This particular card is rated as a class 10 and therefore have a minimum of 10MB a sec. After using 5 different benchmark programs on 2 computers and an Android phone my results were: Writing speed: 6-8.6 MByte/s, Reading speed: 15-18.2 MByte/s.

At this point I still trust the Kingston name so I have opted for an exchange.

UPDATE: Got the replacement, tested with the same 5 programs and pretty much got the same result (ever so slightly higher average). So I am returning it and going to try another brand (keep reading).

On a side note. I decided to test my Lexar Professional Series 8 GB 133x Class 6 SDHC Flash Memory Card SD8GB-133-381 that I bought here on Amazon back in Mar09. That class 6 card, with the same benchmark programs were: Writing speed: 16-17.8 MB/s, Reading speed: 19-21.2 MB/s.

26 of 29 people found the following review helpful.
Failed and "Lifetime Warranty" is pretty useless
By Mark Edelstein
I bought the card and it worked fine for about 3 months than completely failed. Since it has a "Lifetime Warranty", I took advantage of that, returned it to Kingston, and since have had to follow up every step of the return process.

I got delivery confirmation from the Postal Service, then had to send Kingston an e mail two days after the card was delivered to find out what the status was on the order. Their website said they'd be a little more speedy on processing warranty claims. Two days later I got a note that they'd get the mailroom to move the package through, which they seem to have done, although it should have already moved through based on what their website says. I waited a day for an update on their website as to the status of the return and checked it this morning.

They finally processed the return, but DARN THE LUCK, the replacement item is BACKORDERED. I called customer service, and the lady was very nice, but told me the item "Just went on backorder" so she had no idea as to when it would be coming in and would have to check with their engineers to find out. Engineers? She didn't offer a replacement product or any other solution other than to wait to hear back from the engineers.

The card was OK, but when it failed I lost everything on it. Now I'm waiting longer than I should have to for a replacement. What good is a warranty if you can't replace a defective product? I'm not a happy man.

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Kingston Digital 32 GB SDHC/SDXC Class 10 UHS-1 Flash Memory Card 30MB/s (SD10V/32GB)

Kingston Digital 32 GB SDHC/SDXC Class 10 UHS-1 Flash Memory Card 30MB/s (SD10V/32GB)..

GET Kingston Digital 32 GB SDHC/SDXC Class 10 UHS-1 Flash Memory Card 30MB/s (SD10V/32GB) By Kingston

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60 of 62 people found the following review helpful.
Decent card at a great price, missing very little
By Accountability
Although the file system may prove confusing to many at first, this card is one of the closest things you can get to a mini-SSD (tiny non-moving hard drive) for at or under ~$100 (less on sale).

I decided to write a review here because many other reviews didn't mention a few critical pieces of information.

First and foremost, this card does support alternate file systems. Out of the box, if you don't have at least Windows XP SP1 (with update KB955704) on your PC, OSX 10.6.4 on your mac, and the "SDXC" logo on your camera or device, this card may not be recognized properly in its native exFAT filesystem, and your various computers and devices may not be able to format it in a way that is compatible with your other devices. If you format the card with NTFS, it will work on older Windows systems (and UNIX-based machines with ntfs-3G or FUSE-ntfs). If you format it with FAT32, however, it will work on almost every device I tested, even those which claim to support the SDHC (32GB max) standard. This is because there are basically no physical differences between older SDHC cards and these newer SDXC cards except for their capacity. Additionally, this means if you format the card with FAT32 on a compatible computer, you can use it in almost every camera, computer, or device that supports 4GB cards. That's right, when formatted to FAT32, I've tested it in a couple of devices that advertised a maximum capacity support of only 4GB, and it still played well with all the other old devices too!

Compatibility aside, the speed of the card deserves note. All cards are internally printed on different wafers of NAND (that's the actual flash memory inside these chips), so results may differ slightly especially in terms of small cluster random writes, but with my system and reader I have benchmarked sustained write performance of 16.4MB/sec and sustained read performance of 42.6MB/sec. If the "class" system were to be expanded, this card would therefore be closer to a "Class 16 card" in write performance and/or over a "Class 42 card" in read performance. I tested this on the built-in card reader in my 2011 Dell laptop, so if anything, these figures are conservative and you may experience higher transfer speeds on a dedicated USB 3 SDXC reader.

I've used many Kingston products over the years, and most if not all have been virtually problem-free. This card lives up to the trend. (Yes, I've used a lot of SD cards!) For better or for worse, this means I cannot comment on the warranty, since I've never once had to use it.

The only reason for deducting one star is lack of UHS-1 controller support at this capacity and price, so it does not explicitly take advantage of the faster 104MB/sec bus speed or 1.8V low-power operation mode. It is not consistently the cheapest card in this capacity, nor is it the fastest or "lowest power" to use (yes, this may become important when your whole device operates in the mW range). For most, the distinction is next to nil, but I found it worth mentioning regardless. In sum, although it strikes an excellent balance, it is still a tiny bit lacking in other technical regards.

26 of 28 people found the following review helpful.
Worked for awhile, then quit
By Amazon Customer
I bought this card in March of 2013. By May, the card would not function in my tablet. After reformatting it, it still resulted in continuous I/O errors. Unfortunately Amazon would not return this item because it was out of their 30 day window. Buyer Beware!
A followup: I was initially frustrated, but Kingston's lifetime warranty was honored very professionally by the Kingston company. I mailed them back my card and they sent a new one that has worked perfectly thus far. Therefore I am raising my rating to 3 stars. If it works for an extended length of time, I will raise it again because of the excellent customer service.

11 of 11 people found the following review helpful.
Slower than expected
By AdamDZ
Rather slow for a Class 10 card. It writes 11MB/s and reads 22MB/s. My other card is 64GB SanDisk, also Class 10, and it writes 20MB/s and reads 45MB/s. I bought this to have some extra storage in my MacBook Air and it's a perplexing choice: less storage, but quicker, or more storage but slower. BTW, test results were the same on the Air and my Dell Latitude regardless of the filesystem.

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32GB Micro SD SDHC TF Memory Card Class 10 w/ SD Adapter For SmartPhones Tablet!

32GB Micro SD SDHC TF Memory Card Class 10 w/ SD Adapter For SmartPhones Tablet!..

Special Price 32GB Micro SD SDHC TF Memory Card Class 10 w/ SD Adapter For SmartPhones Tablet! By Hittime

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20 of 20 people found the following review helpful.
Buyer Beware!!
By Matthew Spielman
Not all SD cards are advertised! There are many scams out there and this one falls under that category. Purchased the card and immediately tested it using H2testw, a flash memory test utility. A Class 10 card is supposed to be able to read and write at a minimum of 10 MB/second. This card could not do more than 4MB/second which means I could not record HD video to it as intended. This is a common scam, don't get burned!

14 of 14 people found the following review helpful.
TERRIBLE!
By Phillisha Baggett
I bought this sd card in hopes that I can use it for more pictures and music. After a week of having the pictures I took while I had it i my phone were corrupted, and just last week it stopped working as a whole. There was a message in my notification bar that said "SD Card Damaged" and from then on I had to format the SD card and put everything back on it! DON'T BUY IT ANDROID USERS!

11 of 11 people found the following review helpful.
The worst sd card
By George Grigolia
The worst sd card I have ever bought. Nothing can be copied on it as it mostly doesn't repond although I tried to format it several times. :-((((

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SanDisk 32GB Mobile MicroSDHC Class 4 Flash Memory Card, Frustration-Free Packaging- SDSDQM-032G-AFFP

SanDisk 32GB Mobile MicroSDHC Class 4 Flash Memory Card, Frustration-Free Packaging- SDSDQM-032G-AFFP..

GET SanDisk 32GB Mobile MicroSDHC Class 4 Flash Memory Card, Frustration-Free Packaging- SDSDQM-032G-AFFP By SanDisk

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843 of 867 people found the following review helpful.
This Sandisk 'class-4' micro-SDHC card is faster than a PNY 'class-10'
By NLee the Engineer
I purchased a SanDisk 32 GB microSDHC Flash Memory Card SDSDQM-032G nearly two months ago, for use in my VIZIO 8-Inch Tablet VTAB1008. At the same time, I also purchased a higher-priced PNY 32 GB microSDHC Card (P-SDU32G10-EFS2) which is supposed to be a 'class-10'. My benchmark results, however, show that the Sandisk class-4 card is actually faster - most of the time.

I used two sets of benchmark programs. One is called 'Flash Memory Toolkit v2.0', which measures the random read/write speed of files between 1MB and 15MB. The other one is called 'H2testw v1.4', which measures the sequential read/write speed using 1GB files. Here are my results: (see my uploaded charts in 'Customer Images' section for details)

- For smaller files (1-5MB), the Sandisk class-4 card gives an amazing write speed of 15-17MB/s, while the PNY 'class-10' card can only get 1-6MB/s

- For larger files (10-15MB), the Sandisk and PNY cards are about equal at around 8MB/s for write

- For huge files (1GB), the PNY did better at 9.5MB/S, while the Sandisk dropped to 5.5MB/s

- The read speeds of both cards are equally high at around 18MB/S (this number may be limited by the maximum speed of my card reader used)

What the above shows is that: When used in a typical digital camera (with file size 3-5MB), this Sandisk 'class-4' card is at least twice as fast as the PNY so-called 'class-10' card. But when used in a HD video camera (sequential writing of huge file), then the PNY card should perform better.

For a card to be marketed as a 'class-10', it must maintain a MINIMUM write speed of 10MB/s. So by this definition, the PNY card does not qualify since it cannot even achieve a MAXIMUM write speed of 10MB/s. This Sandisk card, on the other hand, exceeds the requirement of 'class-4' by a huge margin.

Sandisk seems to be the only flash memeory manufacturer that still gives honest, conservative speed class ratings. Any other manufacturers would have labeled this card a 'class-6' or even higher. As a matter of principle, I rather give my money to a company that promises less but delivers more, instead of to others that do the opposite. At the present cost of about 1 buck per GB, this is an unbeatable deal!

[Aside]
The capacity of this card, as reported by my computer, is only 29.7GB. Note that this is actually normal, because compter people define one 'Giga' as '2 to the power 30', which is 7.4% greater than 1 billion. So 29.7GB comes to just about 32 billion bytes, which is '32GB' according to marketing people.

[Update Dec 3, 2011]
I re-tested the two cards above, using the CrystalDiskMark v3.01. The results are consistent with my previous finding. See my newly uploaded charts in 'Customer Images' for details.

[Update Nov 19, 2013]
The Sandisk card is still working fine after two years in my tablet. It should be noted that I have purchased dozens of CF/SD/microSD cards over the past decade, and only experienced ONE card failure (which was caused by an incompatable card reader). So I'm probably just more careful in handling memory cards. For example, I always make sure to discharge myself electrically before touching a card to avoid ESD zap, and use "Safely Eject USB Device" command to remove a card.

178 of 193 people found the following review helpful.
Great price on a genuine product
By Doug
This is a great price for a 32GB SanDisk micro sdhc card. Don't let the 10 people who gave this a 1 star rating scare you, this is a great price for a good product. Anyone who works with computers or technology in general knows that you will occassionally have a device that just fails. I work a computer helpdesk and see it with hard drives all the time, it happens. That's why any good manufacturer warrants their product, so if you have a failure like this, you get a new one. These types of failures are unavoidable.

This is a geniun SanDisk product, sold by Amazon.com and not some third party seller. Buy with confidence.

500 of 567 people found the following review helpful.
A deal, but, if given the option CHOOSE (RETAIL PACKAGING) OR YOU WILL RECIEVE A COUNTERFEIT ITEM. No joke.
By Benjamin Anderson
***
Update: As far as I can tell, there is no more non-retail packaging option on this product... hopefully they realized what was going on and changed it. But if the option is there again, make sure the item you add to your cart is (retail).
***

I meant to order "retail" packaging the first time, but I rushed and I wasn't careful enough. I got the crappy "hassle-free packaging" one instead. Huge mistake. However, I WAS NOT AWARE THAT AMAZON INTENDS FOR THIS TO HAPPEN THE MAJORITY OF THE TIME BECAUSE THEY ARE ACTUALLY SELLING YOU A COMPLETELY DIFFERENT PRODUCT THAT IS MUCH, MUCH CHEAPER FOR THEM TO MAKE. Although, I assume that's part of how Amazon offers low prices.

The amazon page for this item secretly contains 2 items:
SDSDQ-032G-AFFP (Default item. Counterfeit. Poor chances of receiving a card that's not a knock-off/counterfeit/lesser-quality item, OR an item that was previously returned/refurbished/slightly-damaged-but-good-enough-for-hassle-free-packaging.)
SDSDQM-032G-B35 (Retail item. Legitimate. Excellent chances of receiving a new, legitimate SD card.)

Amazon (immorally) tries to get as many people to buy the non-retail one as possible. For example:
#1 Your browser automatically refreshes the web-page to this item whenever you do ANYTHING other than clicking "Add To Cart", after you have selected "Retail". I confirmed this after getting a crappy card.
#2 When you click on *ANY* link to the current SanDisk 32GB class 4, it'll take you to the COUNTERFIET one (SDSDQ-032G-AFFP) no matter if you clicked on the Retail one (SDSDQM-032G-B35) or not!!!
#3 The reviews for the two items are combined.
#4 When you select "Retail", the only picture that changes is one of the SD cards changes to a red retail packaging one. It's extremely subtle on purpose, and I don't even think that's real retail packaging, but whatever.
#5 Search the 1/5 and 2/5 star reviews. Note how they are mostly people who bought the counterfiet one (SDSDQ-032G-AFFP)? And people who bought the retail one (SDSDQM-032G-B35) are more likely to give a good review, with a higher read & write speed??

It's obvious... Do not buy SanDisk cards that have 'Bulk' attached to the name, or 'Frustration-Free', or anything else other than "Retail"!

Also, here's a short guide for repartitioning/reformatting with GParted, if you were unlucky enough to get a lesser-quality card, or are having issues with one (I'm sure there's Windows software too, just Google it):
Short version:
1. Insert your SD card into a microSDHC USB adapter (commonly comes with SD cards, also on Amazon for a few bucks).
2. Plug the adapter into your computer and make sure the SD card is recognized.
3. Download and Run: GParted. (Free, comes with Partition Magic, you may need to boot into it).
4. Select the drive in GParted, and click "create new partition table" in MSDOS (erases drive).
5. Re-partition the drive in whatever filesystem your device requires (look it up, usually FAT32).
6. The size of the partition can be your entire card, except the first 500MB. Make sure that you leave about 500MB of unallocated/free space BEFORE the rest of the partition. You'll end up with a 28.5GB card instead of a 29GB card, but your speeds, stability, and compatibility GREATLY increases. Note: This is also true with many other flash drives and external storage.

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Kingston Digital 64 GB SDHC/SDXC Class 10 UHS-1 Flash Memory Card 30MB/s (SDX10V/64GB)

Kingston Digital 64 GB SDHC/SDXC Class 10 UHS-1 Flash Memory Card 30MB/s (SDX10V/64GB)..

Buy Kingston Digital 64 GB SDHC/SDXC Class 10 UHS-1 Flash Memory Card 30MB/s (SDX10V/64GB) By Kingston

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60 of 62 people found the following review helpful.
Decent card at a great price, missing very little
By Accountability
Although the file system may prove confusing to many at first, this card is one of the closest things you can get to a mini-SSD (tiny non-moving hard drive) for at or under ~$100 (less on sale).

I decided to write a review here because many other reviews didn't mention a few critical pieces of information.

First and foremost, this card does support alternate file systems. Out of the box, if you don't have at least Windows XP SP1 (with update KB955704) on your PC, OSX 10.6.4 on your mac, and the "SDXC" logo on your camera or device, this card may not be recognized properly in its native exFAT filesystem, and your various computers and devices may not be able to format it in a way that is compatible with your other devices. If you format the card with NTFS, it will work on older Windows systems (and UNIX-based machines with ntfs-3G or FUSE-ntfs). If you format it with FAT32, however, it will work on almost every device I tested, even those which claim to support the SDHC (32GB max) standard. This is because there are basically no physical differences between older SDHC cards and these newer SDXC cards except for their capacity. Additionally, this means if you format the card with FAT32 on a compatible computer, you can use it in almost every camera, computer, or device that supports 4GB cards. That's right, when formatted to FAT32, I've tested it in a couple of devices that advertised a maximum capacity support of only 4GB, and it still played well with all the other old devices too!

Compatibility aside, the speed of the card deserves note. All cards are internally printed on different wafers of NAND (that's the actual flash memory inside these chips), so results may differ slightly especially in terms of small cluster random writes, but with my system and reader I have benchmarked sustained write performance of 16.4MB/sec and sustained read performance of 42.6MB/sec. If the "class" system were to be expanded, this card would therefore be closer to a "Class 16 card" in write performance and/or over a "Class 42 card" in read performance. I tested this on the built-in card reader in my 2011 Dell laptop, so if anything, these figures are conservative and you may experience higher transfer speeds on a dedicated USB 3 SDXC reader.

I've used many Kingston products over the years, and most if not all have been virtually problem-free. This card lives up to the trend. (Yes, I've used a lot of SD cards!) For better or for worse, this means I cannot comment on the warranty, since I've never once had to use it.

The only reason for deducting one star is lack of UHS-1 controller support at this capacity and price, so it does not explicitly take advantage of the faster 104MB/sec bus speed or 1.8V low-power operation mode. It is not consistently the cheapest card in this capacity, nor is it the fastest or "lowest power" to use (yes, this may become important when your whole device operates in the mW range). For most, the distinction is next to nil, but I found it worth mentioning regardless. In sum, although it strikes an excellent balance, it is still a tiny bit lacking in other technical regards.

26 of 28 people found the following review helpful.
Worked for awhile, then quit
By Amazon Customer
I bought this card in March of 2013. By May, the card would not function in my tablet. After reformatting it, it still resulted in continuous I/O errors. Unfortunately Amazon would not return this item because it was out of their 30 day window. Buyer Beware!
A followup: I was initially frustrated, but Kingston's lifetime warranty was honored very professionally by the Kingston company. I mailed them back my card and they sent a new one that has worked perfectly thus far. Therefore I am raising my rating to 3 stars. If it works for an extended length of time, I will raise it again because of the excellent customer service.

11 of 11 people found the following review helpful.
Slower than expected
By AdamDZ
Rather slow for a Class 10 card. It writes 11MB/s and reads 22MB/s. My other card is 64GB SanDisk, also Class 10, and it writes 20MB/s and reads 45MB/s. I bought this to have some extra storage in my MacBook Air and it's a perplexing choice: less storage, but quicker, or more storage but slower. BTW, test results were the same on the Air and my Dell Latitude regardless of the filesystem.

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SanDisk Ultra 64GB SDXC Class 10/UHS-1 Flash Memory Card Speed Up To 30MB/s, Frustration-Free Packaging- SDSDU-064G-AFFP (Label May Change)

SanDisk Ultra 64GB SDXC Class 10/UHS-1 Flash Memory Card Speed Up To 30MB/s, Frustration-Free Packaging- SDSDU-064G-AFFP (Label May Change)..

Grab Now SanDisk Ultra 64GB SDXC Class 10/UHS-1 Flash Memory Card Speed Up To 30MB/s, Frustration-Free Packaging- SDSDU-064G-AFFP (Label May Change) By SanDisk

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67 of 71 people found the following review helpful.
Great read , but mediocre write
By Sushi Roll
I purchased the 32gb version . Its spacious and has great read speeds but the write speed is mediocre compared to my AmazonBasics 16gb microsd that gets 24MBps read and 22MBps write
Using a Transcend USB 3.0 card reader I get
On ATTO 45MBps read ; 14 MBps write
and on CrystalMark 45MBps ; 13 MBps write

352 of 401 people found the following review helpful.
I am dispointed
By Wei
I have this Sandisk Ultra 32GB class 10 30MB/s SD card. I have to say I am totally dispointed. It's SLOOOW. I did two speed tests.

First test was performed on a computer using a software named "CrystalDiskMark". I ran the test with 3 different SD cards on the same pc with same equipments and same setting.
Results:
Sandisk Ultra 32GB class 10 30MB/s SD card, Read 19.93MB/s and write 11.99MB/s.
Sandisk Extreme III 4GB class 6 SD (5 year old card), Read 18.67MB/s and write 16.67MB/s.
Transcend 16GB class 10 SD (8 month old), Read 18.74MB and write 17.25MB.

Second test was performed on Canon T3i DSLR with the same 3 SD cards tested above. In this test I set my DSLR to burst mode and TV mode with 1/50 sec. Within 30 seconds interval, I want to see how many pictures in RAW format my camera can shoot.
Results:
Sandisk Ultra 32GB class 10 30MB/s, 24 shots.
Sandisk Extreme III 4GB class 6, 34 shots
Transcend 16GB class 10, 33 shots.

Conclusion:
As you can see this Sandisk Ultra card havs higher read speed. I belived my card reader is max out at 20MB/s. that's why it show 19.9MB/s read speed. However for a digital camera and camcorder, the write speed is more important than the read speed. Both tests clearly show that the Sandisk Ultra only meets class 10 rating but far behind the other two cards. The cheaper Transcend card can outperform this ultra card easily in write speed.

58 of 68 people found the following review helpful.
Excellent card, but misleading.
By Roger
I am giving this memory card a 5 star review because it is sufficient for virtually all HD video needs. I can record at 1080p @ 30 fps on my Canon T3i with absolutely no issues, however the speeds I received when benchmarking were nowhere near 30 mbps. For sequential read I got 18.70 MB/S and for write I got 11.75 MB/S. Now I know its advertised as up to 30 mbps reads. But I feel it may be misleading. However since it fulfills all my demands perfectly I will give it 5 stars.

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Kingston Digital 32 GB Class 4 microSDHC Flash Card with SD Adapter (SDC4/32GBET)

Kingston Digital 32 GB Class 4 microSDHC Flash Card with SD Adapter (SDC4/32GBET)..

Special Price Kingston Digital 32 GB Class 4 microSDHC Flash Card with SD Adapter (SDC4/32GBET) By Kingston

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175 of 186 people found the following review helpful.
The Fast and the Spacious
By Avid Reviewer
The Kingston 8 GB microSDHC Card works flawlessly with all my memory card readers: Kingston Mobilite, Kingston microSD Card Reader, and SD Card Reader. Windows (XP) has no trouble recognizing it as a removable drive.

- Device Compatibility
Using a microSDHC to MS PRO Duo Adapter, I am able to use the Kingston 8GB microSD in my Sony Cybershot DSC-W170 Camera -- it works like a charm; the camera has no trouble capturing pictures and videos (at a frame frate of 30 fps and a resolution of 640 x 480 pixels). All of my devices, such as my Garmin nüvi 360 and my HP iPAQ 111, are able to recognize the full capacity of the SD card.

- microSDHC Format
microSD cards of 4GB or larger are known more specifically as microSDHC cards. This 8GB Kingston card is therefore a microSDHC card. Beware that some older devices are NOT compatible with the microSDHC format. Such devices will only work with microSD cards with capacities of 2GB (such as this Kingston 2GB microSD card) or less.

(The technical specification for the SDHC/microSDHC format supports capacities ranging from 4GB - 32 GB. microSDHC cards of 16GB, such as this Kingston 16GB microSDHC card, is the largest capacity available as of this writing.)

- Class 4 Speed
This SD card is rated class 4 (data transfer rate: 4 MByte/sec, or 32 mbps) - sufficiently fast for the majority of electronics. A decidedly small number of electronics, most notably some camcorders and high-end cameras, require a class 6 SD card (the fastest transfer rate as of this writing). Transcend makes one that's rated class 6.

- Frustration-Free Packaging
Kudos to Amazon for their Frustration-Free Packaging efforts in using only recyclable packaging materials and in keeping the amount of packaging used to a bare minimum. As a giant in the e-tailing industry, Amazon's move will no doubt serve as an impetus for getting the rest of the e-tailers to follow suit!

---
The Kingston memory card is compatible with devices that support the microSDHC format. It is a fast (class 4) memory card with plenty of storage. Definitely recommended if the specs meet your needs!

95 of 100 people found the following review helpful.
Works for BlackBerry 8310
By M. Krasilinec
I didn't see any reviews for this product, so I wanted to let you know that the 8GB (7.4GB usable) works on my BlackBerry 8310.

Interestingly, although the BB showed 8GB with the new card, I only saw 4GB (3.2 or 3.4GB usable) when I first connected to my laptop and the computer asked to format the card when I enabled Mass Storage Mode (I used this mode to drag and drop into the BB). I could only see 4GB on my work computer as well.

However, after standalone reformatting the card (to FAT32) on my friends Compaq both of my computers (and phone) now properly see it as an 8GB card. My computer and phone information is below.

laptop: Win XP Pro w/ 4.2.2.12 BB Desktop Manager
work computer: BB desktop manager 4.6.0.12 with win2k pro
phone: curve 8310 with firmware: v4.2.2.170 and AT&T as provider

I'm looking forward to using the expanded storage!

111 of 123 people found the following review helpful.
Do Not Buy This Product from RW Digital
By kristopolous
RW Digital is selling fakes. They are conning you. My module only wrote 2GB or so and then crapped out.

Kingston Inc said this was a counterfeit and will not support the product. RW Digital has not returned my inquiries.

DO NOT BUY THIS PRODUCT FROM RW DIGITAL.

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