There's no doubt about it, USB 3.0 is wicked fast when pitted against its predecessors - but the ancient bulk-only transport protocol it uses is showing its age. Some newer external drives hope sidestep the old protocol by supporting a new one: UASP, or, USB attached SCSI. As its name implies, the modern protocol leverages the SCSI command set to reduce latency, enable queue functions and improve performance for compatible drives. Windows 8 will ship with UASP drivers baked in, but the protocol is already available in the form of third-party controllers and drivers.
Engadget , ASUS loads P8Z77V with USB attached SCSI, beats Windows 8 to the punch, ASUS loads P8Z77V with USB attached SCSI, beats Windows 8 to the punch
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