Macally G-S350SUAB2 manual Raw Interface speed Benchmark comparison 64K read Benchmark

Q3. How is SATA compared to USB and Firewire in speed? What performance gain can one expect by using SATA connection?

A3: Following chart shows the specification data rate(MBps) and Overhead among USB, Firewire and SATA.

Next table compares real world benchmark between USB, Firewire and SATA drives:

Raw Interface speed

Benchmark comparison 64K read

Benchmark

comparison

64K write

USB

480Mbps

31.6MB/sec

26.5MB/sec

1394

400Mbps

34.8MB/sec

26.7MB/sec

Seria

1500Mbps

42.4MB/sec

56.2MB/sec

Burst

Transfer

Rate

33.5MB/sec

36.2MB/sec 111.3MB/sec

Table: Comparison of interface speeds and data transfer rates external disk drive interfaces

Above data are quoted from www.sata-io.org. The performance of G- S350SUAB2 in your application might be higher or lower depending upon the hard drive used, SATA and USB host and computer hardware. In our test, we have seen over 60MB/s sequential read and write speed in SATA connection. SATA is the better choice for storage device.

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