Seagate Momentus 5400 ST9640320AS (640 GB)

vs Comparable 2.5" SATA Hard Disks
Item 4071: Seagate Momentus 5400 640GB ST9640320AS
BrandSeagate
FamilyMomentus 5400
PartST9640320AS
Size640 GB
Cache8 MB
RPM5400
Form Factor2.5"
InterfaceSATA
Speed3 Gb/s
ST9640320AS Reviews3
Disk Cache (MB) Size (GB) Warranty Years Best Price Vendor Value (GB/$)
Seagate Momentus 5400 ST9640320AS 8 640 0.00

Manufacturer's Specs

General
InterfaceSATA 3Gb/s
Cache8MB
Capacity640GB
Performance
I/O data transfer rate300MB/s
Average latency5.5ms
Spindle Speed5400 RPM
Random read seek time11.0ms
Power
5V start max current1.0A
Average idle power0.68W
Average operating power1.25W
Average seek power1.3W
Acoustics
Acoustics (Seek Volume)2.6 bels
Acoustics (Idle Volume)2.4 bels
Reliability
Annual Failure Rate0.48
Physical
Width69.85mm (2.75 in)
Length100.35mm (3.951 in)
Height9.5mm (0.374 in)
Weight (typical)100g (.220 lb)

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