Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
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Model FC 4 Gb/s 300 GB Current Current Power Note
IO / Sec +5V +12V Watts
Start Peak Power DC --- 1.92 ---
Start Peak Power AC 1.12 2.44
Idle 0.83 0.71 12.7 Average
Idle Ripple 0.25 0.19 --- Peak to Peak
Random W / R Peak 215 1.36 2.24 2KB Qd=4
Random W / R Average 215 0.88 1.07 17.2 2KB Qd=4
Random W / R Average 164 0.86 1.02 16.6 2KB Qd=1
120 0.85 1.01
90 0.85 0.99
60 0.84 0.98
30 0.84 0.98
Sequential Read Peak 1.60 Maximum T ransfer Rate
Sequential Read Average 1.38 0. 74 15.8 Maximum Tr an sfer Rate
Sequential Write Peak 1.60 --- --- Maximum Transfer Rate
Sequential Wri te Average 1.31 0. 74 15.4 Maximum Tr an sfer Rate
BMS Average 0.97 0.74 13.7
BMS Peak 1.46