Твърд диск 320GB, Seagate, SATA2, 7200rpm, 16MB, 2.5" (6.35 cm)

Momentus 7200.4 SATA 3Gb/s 320-GB Hard Drive

The Seagate® Momentus® 7200.4 drive delivers the highest available capacity and performance in a laptop hard drive and draw only .05 percent more power than a 5400-RPM laptop drive.

Specifications

Model Number ST9320423AS
Interface SATA 3.0Gb/s
Cache 16MB
Capacity 320 GB
Areal density (avg) 394 Gbits/inch2
Guaranteed Sectors 625,142,448

PHYSICAL

Height (max) 9.5 mm
Width (max) 69.85 mm
Length (max) 100.35 mm
Weight (typical) 110 grams

PERFORMANCE

Spindle Speed 7,200 rpm
Average latency 4.17 msec
Random read seek time 11.0 msec
Random write seek time 13.0 msec

RELIABILITY

Annual Failure Rate 0.5

POWER

5V start max current 1.0 amps

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