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