SD compatibility list: Difference between revisions
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! ext2/3/4 are working? | ! ext2/3/4 are working? | ||
! read speed MB/sec | ! read speed MB/sec | ||
! write speed MB/sec | |||
! Notes | ! Notes | ||
|- style="background: #FF9090" | |- style="background: #FF9090" | ||
| Line 33: | Line 34: | ||
| no | | no | ||
| 15.2 | | 15.2 | ||
| 12.4 | |||
| 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: #FF9090" | |- style="background: #FF9090" | ||
| Line 43: | Line 45: | ||
| no | | no | ||
| 14.1 | | 14.1 | ||
| ? | |||
| 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: #90Ff90" | |- style="background: #90Ff90" | ||
| Line 53: | Line 56: | ||
| yes | | yes | ||
| 12.5 | | 12.5 | ||
| ? | |||
| ok | | ok | ||
|- style="background: #xxxxxx" | |- style="background: #xxxxxx" | ||
| Line 63: | Line 67: | ||
| yes - I had very few fsck problems, and after several tries running fsck, they eventually got corrected. | | yes - I had very few fsck problems, and after several tries running fsck, they eventually got corrected. | ||
| 14.0 | | 14.0 | ||
| ? | |||
| very similar to that broken 32GB pretec. Except that this one almost works good. | | very similar to that broken 32GB pretec. Except that this one almost works good. | ||
|} | |} | ||
Revision as of 15:55, 24 March 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 DESTROY your data, you can test write speed with this:
in left slot (be careful!):
- dd if=/dev/zero of=/dev/mmcblk0 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 | Notes |
|---|---|---|---|---|---|---|---|---|---|
| Kingston | 32GB | class 10 | class 10, kingston 32GB (red) | http://images.google.com/images?q=class+10+kingston+32GB like this, but 32GB: http://www.komputronik.pl/index.php/product/101490/Sprzet_komputerowy/Podzespoly_PC/Secure_Digital_16GB_Kingston_High_Capacity_Class_10.html | yes | no | 15.2 | 12.4 | doesn't have badblocks, seems that "Flash Translation Layer" is not suitable for ext filesystems |
| Pretec | 32GB | class 10 | class 10, Pretec 32GB 233x (white/green) | http://images.google.com/images?q=class+10+pretec+32GB+233x | yes | no | 14.1 | ? | doesn't have badblocks, seems that "Flash Translation Layer" is not suitable for ext filesystems |
| 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 |
| Pretec | 4GB | 10 | Class 10, Pretec 4GB, 233x (white/green) | http://images.google.com/images?q=class+10+pretec+4GB+233x | yes | yes - I had very few fsck problems, and after several tries running fsck, they eventually got corrected. | 14.0 | ? | very similar to that broken 32GB pretec. Except that this one almost works good. |
