Samsung
Hard drives and network drives
Samsung HM640JJ
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Samsung HM640JJ
Rating: 0
Number of votes: 0
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Workmanship
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Serviceability
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Tech specifications and features
General characteristics
Ruler: Spinpoint MP4;
Type: HDD;
Purpose: laptop;
Form factor HDD: 2.5";
Drive specifications
Volume: 640 GB;
Buffer memory: 16 MB;
Number of plates: 2;
Speed of rotation: 7200 rpm;
Interface
Connection: SATA 3Gb/s;
External data transfer rate: 300 MB/s;
Support NCQ: yes;
Temporal characteristics
Average access time, reading: 11 MS;
The average time delay (Latency): 4.13 MS;
Mechanics/Reliability
Shock resistance at work: 325 G;
Shock resistance during storage: 900 G;
Noise idle: 26 dB;
Operating noise level: 28 dB;
Additionally
Dimensions (WxHxL): 69.85x9.5x100.3 mm;
Weight: 119 g;
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