Твърд диск 320GB, Seagate, SATA2, 7200rpm, 16MB, 2.5"

Momentus 7200.3 SATA 3Gb/s 320-GB Hard Drive

ST9320421AS

The Seagate® Momentus® 7200.3 laptop hard drive delivers industry-leading 7200-RPM performance while offering the industry’s lowest power consumption levels. Available with G-Force Protection™ for added robustness and durability, the Momentus 7200.3 drive can withstand even the most serious of drops that can happen in a mobile environment. Available with 16 MB of cache and a SATA 3Gb/s NCQ interface, the Momentus 7200.3 hard drive is perfect for performance laptops, workstations and small form factor desktop systems.

Specifications 320GB

Model Number ST9320421AS
Interface SATA 3.0Gb/s
Cache 16 MBytes
Capacity 320 GB
Areal density (avg) 253 Gbits/inch2
Guaranteed Sectors 625,142,448

PHYSICAL
Height (max) 9.5 mm (0.374 inches)
Width (max) 69.85 mm (2.75 inches)
Length (max) 100.5 mm (3.957 inches)
Weight (typical) 110 grams (0.238 pounds)

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 0.48

POWER
5V start max current 1.0 amps

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