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Samsung Spinpoint M M8 internal hard drive

Samsung Spinpoint M M8 internal hard drive

640 GB 5400 RPM 8 MB 2.5" Serial ATA II

Model M8Part no. HN-M640MBB/Z4

31 specifications
  • Storage640 GB
  • ConnectivitySerial ATA II
  • Weight107 g
  • Power consumption (typical)2 W
  • Operating temperature (T-T)5 - 55 °C
  • Width69.8 mm
See all specifications

Overview

Storage
640 GB
Connectivity
Serial ATA II
Weight
107 g
Power consumption (typical)
2 W
Operating temperature (T-T)
5 - 55 °C
Width
69.8 mm
Brand
Samsung
Model
M8
Part number
HN-M640MBB/Z4
Also known as
Samsung Spinpoint M M8 internal hard drive 640 GB 5400 RPM 8 MB 2.5" Serial ATA II

Specifications

31 specifications in 5 groups

Features

HDD capacity640 GB
HDD speed5400 RPM
HDD size2.5"
InterfaceSerial ATA II
Storage drive buffer size8 MB
Write speed145 MB/s
Read speed300 MB/s
Average seek time12 ms
Average latency5.6 ms
SMART technologyYes

Power

Power consumption (typical)2 W
Power consumption (standby)0.2 W
Power consumption (idle)0.7 W
Power consumption (read)2.2 W
Power consumption (write)2.2 W
Operating voltage5 V
Start-up current1 A

Operational conditions

Operating temperature (T-T)5 - 55 °C
Storage temperature (T-T)-40 - 70 °C
Operating relative humidity (H-H)5 - 90%
Storage relative humidity (H-H)5 - 95%
Operating vibration1.5 G
Operating altitude-300 - 3000 m
Non-operating altitude-400 - 15000 m
Operating shock325 G
Non-operating shock750 G

Weight & dimensions

Width69.8 mm
Depth100.3 mm
Height9.5 mm
Weight107 g

Other features

Drive ready time4 s

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