官方網站上的一些資料

Deskstar T7K250 hard disk drives specifications

Deskstar T7K250 models Capacity (GB) RPM Data buffer Interface
HDT722525DLAT80 250 7200 8 MB Parallel-ATA
HDT722516DLAT80 160 7200 8 MB Parallel-ATA
HDT722525DLA380 250 7200 8 MB Serial-ATA
HDT722516DLA380 160 7200 8 MB Serial-ATA

Configuration Parallel-ATA Serial-ATA

Interface ATA Ultra-133 SATA-II 3.0 Gb/s
Capacity (GB) 250 / 160
Data heads (physical) 4 / 3
Data disks 2

Performance
Data buffer 8 MB
Rotational speed (rpm) 7,200
Media transfer rate (max. Mbits/sec) 843.2
Interface transfer rate (max. MB/sec) 133 300
Sustained data rate (MB/sec) 67.8- 32.9 (zone 0 - 29)
Seek time (read, typical) 8.5

Reliability
Error rate (non-recoverable) 1 in 10E14
Start/stops (at 40° C) 50,000

Acoustic Idle (Bels) 2.8

官方網站上所列出來的特色


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http://www.hitachigst.com/portal/si...fa0466460e4f0a0

http://www.hitachigst.com/tech/techlib.nsf/techdocs/AA48E77F6E24186E86256F4E006B3F91/$file/T7K250_v5.pdf