HDtuneベンチマーク

HD Tune: ST3320620AS Benchmark
Transfer Rate Minimum : 38.2 MB/sec
Transfer Rate Maximum : 60.1 MB/sec
Transfer Rate Average : 55.0 MB/sec
Access Time : 13.2 ms
Burst Rate : 119.3 MB/sec
CPU Usage : 3.2%

HD Tune: ST3320620AS Information
Firmware version : 3.AAK
Serial number : 9QF31
Capacity : 298.1 GB (~320.1 GB)
Buffer size : 16384 KB
Standard : ATA/ATAPI-7 - SATA II
Supported mode : UDMA Mode 6 (Ultra ATA/133)
Current mode : UDMA Mode 6 (Ultra ATA/133)

Transfer Rate Maximum　70MB/sec位行ってほしかったが
939Dual-SATA2でSATA2が機嫌よく動いてるだけましか・・・