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Edited by loboris at 2015-9-3 10:47
On OPI-PLUS I had max of 36 MB/sec transfer with USB 3.0 drives (Toshiba 1TB HD, SanDisk UltraFit 64GB Flash drive, dd read with 1M block size).
When I tested simultaneous with drives connected to the same USB channel (internal hub), I had the total speed of ~45 MB/sec.
With drives connected to the two USB channel (usbhost & usb otg), I had the total speed of ~72 MB/sec.
So, using 3 separate USB drives in raid 0 configuration (on usbhost + usb otg + internal usb2sata), we could get the speed close to 90 MB/sec (36 x 3 x 0.85)
Orange PI-PC has 3 USB host connectors on 3 separate USB channels ( + usb OTG) !
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