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>> I'm testing this USB 3.0 bus-powered hard drive: |
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>> |
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>> http://www.amazon.com/gp/product/B0041OSQ9S |
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>> |
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>> and I get: |
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>> |
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>> # hdparm -tT /dev/sdb |
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>> /dev/sdb: |
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>> Timing cached reads: 8006 MB in 2.00 seconds = 4004.33 MB/sec |
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>> Timing buffered disk reads: 252 MB in 3.01 seconds = 83.63 MB/sec |
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>> |
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>> # hdparm -tT /dev/sdb |
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>> /dev/sdb: |
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>> Timing cached reads: 8230 MB in 2.00 seconds = 4116.54 MB/sec |
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>> Timing buffered disk reads: 252 MB in 3.02 seconds = 83.55 MB/sec |
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>> |
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>> # hdparm -tT /dev/sdb |
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>> /dev/sdb: |
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>> Timing cached reads: 8446 MB in 2.00 seconds = 4224.36 MB/sec |
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>> Timing buffered disk reads: 230 MB in 3.02 seconds = 76.28 MB/sec |
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>> |
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>> Wikipedia says USB 3.0 has transmission speeds of up to 5 Gbit/s. |
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>> Doesn't MB/sec denote mega*bytes* per second? |
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> What usb3 is supported by Linux? Is it a pci card? |
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I'm on 2.6.39-hardened-r10 and I'm using this motherboard with onboard USB 3.0: |
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http://www.newegg.com/Product/Product.aspx?Item=N82E16813128490 |
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- Grant |
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