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Olimex boards have a direct SATA connection. This is on a Lime-A10 with a cheap 2.5" 1TB drive, about 70% full so some fragmentation etc:

# dd if=/dev/zero of=6G bs=1M count=6144

6144+0 records in

6144+0 records out

6442450944 bytes (6.4 GB) copied, 136.176 s, 47.3 MB/s

# dd if=6G of=/dev/null bs=1M

6144+0 records in

6144+0 records out

6442450944 bytes (6.4 GB) copied, 93.6363 s, 68.8 MB/s

Also they have a nice battery connector, they'll keep the battery charged and switch to it if main power fails (and even keep the SATA drive powered (not sure if you plug a 3.5" one, though)).




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