Samsung Spinpoint M7E HM641JI (640 GB)

vs Comparable 2.5" SATA Hard Disks
Item 3763: Samsung Spinpoint M7E 640G HM641JI
BrandSamsung
FamilySpinpoint M7E
PartHM641JI
Size640 GB
Cache8 MB
RPM5400
Form Factor2.5"
InterfaceSATA
Speed3 Gb/s
HM641JI Reviews2
Disk Cache (MB) Size (GB) Warranty Years Best Price Vendor Value (GB/$)
Samsung Spinpoint M7E HM641JI 8 640 0.00

Manufacturer's Specs

General
InterfaceSATA 3.0Gbps
Buffer DRAM Size8 MB
Byte per Sector512
Capacity640G
Rotational Speed5,400 RPM
Performance
Drive Ready Time(typical)4sec
Data Transfer Rate / Buffer to/from Host(Max.)300 MB/s
Data Transfer Rate / Media to/from Buffer(Max.)138 MB/s
Average Seek time(typical)12 ms
Power
Standby (typical)0.25 W
Read/Write (typical)2.5 W
Sleep (typical)0.2 W
Spin-up Current (Max.)1000 mA
Idle (typical)0.85 W
Seek (typical)2.5 W
Voltage+5V +- 5%
Acoustics
Idle2.4 Bel
Performance Seek2.6 Bel
Reliability
Non-recoverable Read Error1 sector in 10^14 bits
Physical
Width69.85 mm
Length100 mm
Height (Max.)9.5 mm
Weight (avg.)105 g

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