SD compatibility list: Difference between revisions

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partially working ones should be yellow, I think. Also, I can confirm that fat32 on the Patriot works...
should be in alphabetical order
Line 21: Line 21:
! actual capacity (1K-blocks)
! actual capacity (1K-blocks)
! Notes
! Notes
|- style="background: #90Ff90"
| Kingston
| 1GB
| unknown
| Kingston 1GB (blue)
| looks very similar to this one, except that I have 1GB: [http://www.komputronik.pl/index.php/product/26645/Sprzet_komputerowy/Podzespoly_PC/Secure_Digital_2GB_Kingston.html]
| yes
| yes
| 12.5
| ?
| ?
| ok
|- style="background: #FF9090"
| Kingston
| 16GB
| 4
| Kingston 16 GB Class 4 SDHC
| [http://www.amazon.com/Kingston-Class-Memory-SD4-16GB/dp/B0013AV9TW]
| No
| No
| 15
| ?
| 15663104
| Bad controller chip, fails in the same manner as the 32GB card.
|- style="background: #FF9090"
| Kingston
| 32GB
| 4
| Kingston 32 GB Class 4 SDHC
| [http://www.amazon.com/Kingston-Class-Memory-SD4-32GB/dp/B001C9P5TO]
| No
| No
| 16
| ?
| 31539200
| Defective flash controller randomly loses writes regardless of filesystem.  When attempting to write, blocks sometimes get erased but not written.
|- style="background: #F3F781"
|- style="background: #F3F781"
| Kingston
| Kingston
Line 34: Line 70:
| doesn't have badblocks, seems that "Flash Translation Layer" is not suitable for ext filesystems
| doesn't have badblocks, seems that "Flash Translation Layer" is not suitable for ext filesystems
|- style="background: #F3F781"
|- style="background: #F3F781"
| Pretec
| Patriot
| 32GB
| 32GB
| 10
| 10
| class 10, Pretec 32GB 233x (white/green)
| Patriot LX 32GB SDHC Class 10 (PSF32GSDHC10)
| [http://images.google.com/images?q=class+10+pretec+32GB+233x]
| [http://www.bestdirect.ca/products/227442/Patriot/PSF32GSDHC10/] [http://www.amazon.ca/gp/product/B002TABU5I/]
| yes
| Yes
| no
| No
| 14.1
| 18.1
| 12.4
| 12.6
| ?
| ?
| doesn't have badblocks, seems that "Flash Translation Layer" is not suitable for ext filesystems
| Formatting EXT2 and then running fsck right after finds errors.
|- style="background: #90Ff90"
| Kingston
| 1GB
| unknown
| Kingston 1GB (blue)
| looks very similar to this one, except that I have 1GB: [http://www.komputronik.pl/index.php/product/26645/Sprzet_komputerowy/Podzespoly_PC/Secure_Digital_2GB_Kingston.html]
| yes
| yes
| 12.5
| ?
| ?
| ok
|- style="background: #90Ff90"
|- style="background: #90Ff90"
| Pretec
| Pretec
Line 70: Line 94:
| It looks very similar to that broken 32GB pretec. Except that this one almost works good.
| It looks very similar to that broken 32GB pretec. Except that this one almost works good.
|- style="background: #F3F781"
|- style="background: #F3F781"
| Transcend
| Pretec
| 64GB
| 32GB
| 10
| 10
| Transcend SDXC Card 64GB ULTIMATE CLASS 10 (PN:TS64GSDXC10)
| class 10, Pretec 32GB 233x (white/green)
| [http://www.transcendusa.com/Products/ModDetail.asp?ModNo=286&LangNo=0&Func1No=1&Func2No=13]
| [http://images.google.com/images?q=class+10+pretec+32GB+233x]
| yes (needs more testing)
| yes
| no
| no
| 16.1
| 14.1
| 16.1
| 12.4
| ?
| ?
| After some time the system gives read/write errors. Works fine on a pc with linux with ext2/ext3.
| doesn't have badblocks, seems that "Flash Translation Layer" is not suitable for ext filesystems
|- style="background: #90FF90"
|- style="background: #90FF90"
| Zap
| SanDisk
| 32GB
| 32GB
| 4
| 4
| Zap Glider 32GB Class 4
| SanDisk Ultra 32 GB Class 4 SDHC
| [http://www.teknikmagasinet.se/db.pl?tf=product.html&artnr=181043]
| [http://www.sandisk.com/products/imaging/sandisk-ultra-sdhc]
| Yes
| Yes
| 16.4
| 7.1
| ?
| ?
| yes
| OK.
| 16.6
| 4.6
| ?
| Works fine
|- style="background: #90FF90"
|- style="background: #90FF90"
| Sandisk
| Sandisk
Line 118: Line 142:
| Has serious issues
| Has serious issues
|- style="background: #F3F781"
|- style="background: #F3F781"
| Patriot
| Transcend
| 32GB
| 64GB
| 10
| 10
| Patriot LX 32GB SDHC Class 10 (PSF32GSDHC10)
| Transcend SDXC Card 64GB ULTIMATE CLASS 10 (PN:TS64GSDXC10)
| [http://www.bestdirect.ca/products/227442/Patriot/PSF32GSDHC10/] [http://www.amazon.ca/gp/product/B002TABU5I/]
| [http://www.transcendusa.com/Products/ModDetail.asp?ModNo=286&LangNo=0&Func1No=1&Func2No=13]
| Yes
| yes (needs more testing)
| No
| no
| 18.1
| 16.1
| 12.6
| 16.1
| ?
| ?
| Formatting EXT2 and then running fsck right after finds errors.
| After some time the system gives read/write errors. Works fine on a pc with linux with ext2/ext3.
|- style="background: #FF9090"
|- style="background: #90FF90"
| Kingston
| Zap
| 32GB
| 32GB
| 4
| 4
| Kingston 32 GB Class 4 SDHC
| Zap Glider 32GB Class 4
| [http://www.amazon.com/Kingston-Class-Memory-SD4-32GB/dp/B001C9P5TO]
| [http://www.teknikmagasinet.se/db.pl?tf=product.html&artnr=181043]
| No
| No
| 16
| ?
| ?
| 31539200
| yes
| Defective flash controller randomly loses writes regardless of filesystem. When attempting to write, blocks sometimes get erased but not written.
| 16.6
|- style="background: #FF9090"
| 4.6
| Kingston
| 16GB
| 4
| Kingston 16 GB Class 4 SDHC
| [http://www.amazon.com/Kingston-Class-Memory-SD4-16GB/dp/B0013AV9TW]
| No
| No
| 15
| ?
| ?
| 15663104
| Works fine
| Bad controller chip, fails in the same manner as the 32GB card.
|- style="background: #90FF90"
| SanDisk
| 32GB
| 4
| SanDisk Ultra 32 GB Class 4 SDHC
| [http://www.sandisk.com/products/imaging/sandisk-ultra-sdhc]
| Yes
| Yes
| 16.4
| 7.1
| ?
| OK.
|}
|}


Revision as of 02:05, 1 April 2011

Note: always measure read speed with this command:

  • in left slot: dd if=/dev/mmcblk0 of=/dev/null bs=4MiB count=100
  • in right slot: dd if=/dev/mmcblk1 of=/dev/null bs=4MiB count=100

If you can afford destroying all your data, you can test write speed. But be careful, you will need to create a new partition table, afterwards! You can use Gparted to make new partition table.

  • in left slot: # dd if=/dev/zero of=/dev/mmcblk0 bs=4MiB count=100
  • in right slot: # dd if=/dev/zero of=/dev/mmcblk1 bs=4MiB count=100


SDHC card brand Card size Card class Full name URL fat32 is working? ext2/3/4 are working? read speed MB/sec write speed MB/sec actual capacity (1K-blocks) Notes
Kingston 1GB unknown Kingston 1GB (blue) looks very similar to this one, except that I have 1GB: [1] yes yes 12.5 ? ? ok
Kingston 16GB 4 Kingston 16 GB Class 4 SDHC [2] No No 15 ? 15663104 Bad controller chip, fails in the same manner as the 32GB card.
Kingston 32GB 4 Kingston 32 GB Class 4 SDHC [3] No No 16 ? 31539200 Defective flash controller randomly loses writes regardless of filesystem. When attempting to write, blocks sometimes get erased but not written.
Kingston 32GB 10 class 10, kingston 32GB (red) [4] like this, but 32GB: [5] yes no 15.2 ? ? doesn't have badblocks, seems that "Flash Translation Layer" is not suitable for ext filesystems
Patriot 32GB 10 Patriot LX 32GB SDHC Class 10 (PSF32GSDHC10) [6] [7] Yes No 18.1 12.6 ? Formatting EXT2 and then running fsck right after finds errors.
Pretec 4GB 10 Class 10, Pretec 4GB, 233x (white/green) [8] yes yes - I had very few fsck problems, and after several tries running fsck, they eventually got corrected. 14.0 ? ? It looks very similar to that broken 32GB pretec. Except that this one almost works good.
Pretec 32GB 10 class 10, Pretec 32GB 233x (white/green) [9] yes no 14.1 12.4 ? doesn't have badblocks, seems that "Flash Translation Layer" is not suitable for ext filesystems
SanDisk 32GB 4 SanDisk Ultra 32 GB Class 4 SDHC [10] Yes Yes 16.4 7.1 ? OK.
Sandisk 64GB 4 Sandisk 64GB SDXC Class 4 [11] yes yes 16.1 4.5 62367744 Works fine
Transcend 32GB 10 Transcend 32GB SDHC Class 10 [12] ? no ? ? ? Has serious issues
Transcend 64GB 10 Transcend SDXC Card 64GB ULTIMATE CLASS 10 (PN:TS64GSDXC10) [13] yes (needs more testing) no 16.1 16.1 ? After some time the system gives read/write errors. Works fine on a pc with linux with ext2/ext3.
Zap 32GB 4 Zap Glider 32GB Class 4 [14] ? yes 16.6 4.6 ? Works fine
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