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Samsung SpinPoint M7E HM641JI 640GB 2.5" Hard Drive SATA 5400rpm
8MB Cache - OEM
Samsung 2.5" 640GB SATA HDD, 5400rpm Key Features Formatted capacity: 640GB ATA Security Mode Feature Set SATA Native Command Queuing Feature Serial ATA 3.0Gbps Interface Support SilentSeek™ & NoiseGuard™ technologies Drive Configurations Capacity: 640 GB Interface: SATA 3.0Gbps Buffer DRAM Size: 8 MB Byte per Sector: 512 Rotational Speed: 5, 400 RPM Performance Specifications Average Seek time(typical): 12 ms Data Transfer Rate / Media to/from Buffer(Max.): 138 MB/s Data Transfer Rate / Buffer to/from Host(Max.): 300 MB/s Average Latency: 5.6 ms Reliability Specifications Non-recoverable Read Error: 1 sector in 10^14 bits Acoustics Idle: 2.4 Bel Performance Seek: 2.6 Bel Environmental Specifications Temperature / Operating: 5 ~ 55 &8451; Temperature / Non-operating:
-40 ~ 70 &8451; Humidity(non-condensing) / Operating: 8 ~ 90 % Liner Shock(1/2 sine pulse) / Operating: 400 G Liner Shock(1/2 sine pulse) / Non-operating: 900 G Vibration / Operating: 1.5 Grms Altitude(relative to sea level) / Operating: -300 to 3000 m Altitude(relative to sea level) / Non-operating: -400 to 15000 m Power Requirements Voltage: +5V±5% Spin-up Current (Max.): 1000 mA Seek (typical): 2.5 W Read/Write (typical): 2.5 W Idle (typical): 0.85 W Standby (typical): 0.25 W Sleep (typical): 0.2 W
-40 ~ 70 &8451; Humidity(non-condensing) / Operating: 8 ~ 90 % Liner Shock(1/2 sine pulse) / Operating: 400 G Liner Shock(1/2 sine pulse) / Non-operating: 900 G Vibration / Operating: 1.5 Grms Altitude(relative to sea level) / Operating: -300 to 3000 m Altitude(relative to sea level) / Non-operating: -400 to 15000 m Power Requirements Voltage: +5V±5% Spin-up Current (Max.): 1000 mA Seek (typical): 2.5 W Read/Write (typical): 2.5 W Idle (typical): 0.85 W Standby (typical): 0.25 W Sleep (typical): 0.2 W
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