Acomdata PHD320UHE-54 External Hard Drive PHD320UHE-54 用户手册

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support up to 127 USB devices. However, connecting more

than a few USB devices to a computer usually requires the

use of one or more USB-equipped hubs. A typical USB hub

can accommodate several USB devices.

While other USB controllers use 8-bit processors, AcomData's

USB controller has an exclusive, on-board 16-bit RISC

(Reduced Instruction Set Computer) processor. In benchmark

lab tests, this controller was up to 22% faster than other USB

2.0 controllers. This does not mean that our USB controller

exceeds the 480 Mbps bandwidth of the Hi-Speed USB 2.0

specification. It does, however, mean that you'll enjoy better

day-to-day performance, subject to the factors described

above.

HybridDrive 2.5 can be bus-powered or AC-powered,

depending on your preference and specific requirements.

Some interface technologies, such as USB, can convey

electrical power as well as data in order to run peripheral