I just hooked this newly bought micro-SD card into the bay of my laptop, a Sony VAIO S, mfd.2012.
I copied the contents of my old cell-phone SD card (already in the laptop's hard drive) into this new Transcend 16 GB Class 10 card. The contents are very varied, from hundreds of tiny android files, to tenths of medium sized (~10 MB) MP3 files, to a dozen not-so-large (~60 MB) videos.
The copy was done in Windows XP, with a regular drag'n'drop.
Files copied: 1233
Total size: 3.33 GB (3 577 251 119 bytes)
Time taken: 6'42" (or 402")
------------------------------
Average speed: 8.9 MB/sec
That's my practical result. According to this, some would deny its "class 10" status. But, how can you be sure the bottleneck isn't elsewhere, like the SD bay speed capacity, antivirus checking on the traveling files or whatever other factor? I don't know for sure, so I'll leave the speculations for the reader.
A last note: I particularly like the accompanying Transcend's micro-SD adapter (I have an identical one from a previous Transcend and keep it inside the laptop's bay all the time, for practicality). I've seen many bad quality adapters out there, so this is worth a mention.
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This Item  Transcend 8 GB Class 10 microSDHC Flash Memory Card TS8GUSDHC10 |  | ![[10x High Endurance] Gigastone Industrial 8GB 2-Pack MLC Micro SD Card, Full HD Video Recording, Security Cam, Dash Cam, Surveillance Compatible 85MB/s, U1, with Adapter [5-Yrs Free Data Recovery]](https://m.media-amazon.com/images/I/510yfwFrJLS._AC_.jpg) |  |  |  | |
| Price | $9.96 | $33.10 | $19.99 | $39.18 | $52.22 | $11.29 |
| Delivery | Get it as soon as Wednesday, May 29 | Get it as soon as Thursday, May 30 | Get it as soon as Wednesday, May 29 | Get it as soon as Wednesday, May 29 | Get it as soon as Thursday, May 30 | Get it as soon as Wednesday, May 29 |
| Customer Ratings | ||||||
| Value for money | ||||||
| Easy to install | ||||||
| Storage Capacity | ||||||
| Sold By | CONTINENTAL SUPPLY | CWP Online | Gigastone America | CWP Online | CWP Online | CWP Online |
| flash memory type | Micro SDHC | Micro SDHC | Micro SDHC | SDHC | SDHC | SD, Micro SD, Micro SDHC |
| memory capacity | 8 GB | 32 GB | 8 GB | 8 GB | 16 GB | 8 GB |
| speed class | class 10 | class 10 | class 10 | class 10 | class 10 | class 10 |
| write speed | 10 | 100 MB per second | 15 MB per second | — | — | — |
Reviews with images
It's fast, but it can be slower than a Class 6 at times...
I bought two of these for an Android phone (Captivate) and tablet (Nook Color). The Nook Color is running Android (CM9) on the card itself, while the Captivate is using the card for extra storage. So far, both are running just fine without a problem.CrystalDiskMark 3.0 benchmark using an IOGear GFR304SD USB 3.0 card reader:Transcend microSDHC 8GB Class 10Sequential: 22.717 MB/s read, 21.559 MB/s writeRead 512KB: 21.947 MB/s read, 1.037 MB/s writeRandom 4KB (QD=1): 4.284 MB/s read, 0.010 MB/s writeRandom 4KB (QD=32): 4.498 MB/s read, 0.010 MB/s(I've also posted a snapshot of CDM & ATTO)For comparison, here's the CrystalDiskMark 3.0 benchmark of the Class 6 version using the same reader:Transcend microSDHC 8GB Class 6Sequential: 19.044 MB/s read, 9.785 MB/s writeRandom 512KB: 18.709 MB/s read, 1.578 MB/s writeRandom 4KB (QD=1): 7.014 MB/s read, 0.021 MB/s writeRandom 4KB (QD=32): 7.008 MB/s read, 0.021 MB/s writeAs shown in the benchmark, this Class 10 is fast when it comes to large sequential access, but is a little worse than the Class 6 version when it comes to smaller random access. I think this card is perfect for a camera or another device that primarily read/writes large files. In my case though, since I'm using it on my phone and tablet where small random read/writes are more likely, I probably would have been better off with the older Transcend Class 6 card.
Top reviews from the United States
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Reviewed in the United States on June 14, 2012
Capacity: 16 GBPackage Type: Standard PackagingVerified Purchase
Reviewed in the United States on September 3, 2013
Capacity: 32 GBPackage Type: Frustration-Free PackagingVerified Purchase
Reviewed in the United States on April 27, 2012
CrystalDiskMark 3.0 benchmark using an IOGear GFR304SD USB 3.0 card reader:
Transcend microSDHC 8GB Class 10
Sequential: 22.717 MB/s read, 21.559 MB/s write
Read 512KB: 21.947 MB/s read, 1.037 MB/s write
Random 4KB (QD=1): 4.284 MB/s read, 0.010 MB/s write
Random 4KB (QD=32): 4.498 MB/s read, 0.010 MB/s
(I've also posted a snapshot of CDM & ATTO)
For comparison, here's the CrystalDiskMark 3.0 benchmark of the Class 6 version using the same reader:
Transcend microSDHC 8GB Class 6
Sequential: 19.044 MB/s read, 9.785 MB/s write
Random 512KB: 18.709 MB/s read, 1.578 MB/s write
Random 4KB (QD=1): 7.014 MB/s read, 0.021 MB/s write
Random 4KB (QD=32): 7.008 MB/s read, 0.021 MB/s write
As shown in the benchmark, this Class 10 is fast when it comes to large sequential access, but is a little worse than the Class 6 version when it comes to smaller random access. I think this card is perfect for a camera or another device that primarily read/writes large files. In my case though, since I'm using it on my phone and tablet where small random read/writes are more likely, I probably would have been better off with the older Transcend Class 6 card.
Capacity: 8 GBPackage Type: Standard PackagingVerified Purchase
It's fast, but it can be slower than a Class 6 at times...
Reviewed in the United States on April 27, 2012
I bought two of these for an Android phone (Captivate) and tablet (Nook Color). The Nook Color is running Android (CM9) on the card itself, while the Captivate is using the card for extra storage. So far, both are running just fine without a problem.Reviewed in the United States on April 27, 2012
CrystalDiskMark 3.0 benchmark using an IOGear GFR304SD USB 3.0 card reader:
Transcend microSDHC 8GB Class 10
Sequential: 22.717 MB/s read, 21.559 MB/s write
Read 512KB: 21.947 MB/s read, 1.037 MB/s write
Random 4KB (QD=1): 4.284 MB/s read, 0.010 MB/s write
Random 4KB (QD=32): 4.498 MB/s read, 0.010 MB/s
(I've also posted a snapshot of CDM & ATTO)
For comparison, here's the CrystalDiskMark 3.0 benchmark of the Class 6 version using the same reader:
Transcend microSDHC 8GB Class 6
Sequential: 19.044 MB/s read, 9.785 MB/s write
Random 512KB: 18.709 MB/s read, 1.578 MB/s write
Random 4KB (QD=1): 7.014 MB/s read, 0.021 MB/s write
Random 4KB (QD=32): 7.008 MB/s read, 0.021 MB/s write
As shown in the benchmark, this Class 10 is fast when it comes to large sequential access, but is a little worse than the Class 6 version when it comes to smaller random access. I think this card is perfect for a camera or another device that primarily read/writes large files. In my case though, since I'm using it on my phone and tablet where small random read/writes are more likely, I probably would have been better off with the older Transcend Class 6 card.
Images in this review
Reviewed in the United States on November 22, 2013
Capacity: 16 GBPackage Type: Standard PackagingVerified Purchase
Reviewed in the United States on August 8, 2013
Capacity: 32 GBPackage Type: Frustration-Free PackagingVerified Purchase
Reviewed in the United States on February 23, 2014
Capacity: 16 GBPackage Type: Standard PackagingVerified Purchase
Top reviews from other countries
Dilson Borges
Ok
Reviewed in Brazil on October 28, 2019Capacity: 8 GBPackage Type: Standard PackagingVerified Purchase
Geneviève
Reliable
Reviewed in Canada on June 16, 2018Capacity: 32 GBPackage Type: Frustration-Free PackagingVerified Purchase
zachary prescillia
Carte sd
Reviewed in France on March 13, 2020Capacity: 8 GBPackage Type: Standard PackagingVerified Purchase
Joel Mispelter
C'est du Transcend
Reviewed in France on September 21, 2018Capacity: 4 GBPackage Type: Standard PackagingVerified Purchase
Amazon カスタマー
仕事で使ってます
Reviewed in Japan on February 25, 2024Capacity: 32 GBPackage Type: Frustration-Free PackagingVerified Purchase
