Name: Твърд диск 640GB, Samsung, SATA2, 5400rpm, 8MB, 2.5 (6.35 cm)
Brand: Samsung
SKU: HDD640SAM25S
Availability: OutOfStock

Описание Характеристики Ревюта / Въпроси

Samsung HM641JI
Spinpoint M7E

- capacity : 640 GB
- interface : Serial ATA 3.0 Gbps
- buffer memory : 8 MB

Drive Configurations

Drive Configurations Capacity 640GB
Interface SATA 3.0Gbps
Buffer DRAM Size 8 MB
Byte per Sector 512
Rotational Speed 5,400 RPM

Performance Specifications

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
Drive Ready Time(typical) 4sec

Reliability Specifications

Reliability Specifications Non-recoverable Read Error 1 sector in 10^14 bits

Acoustics

Acoustics Idle 2.4 Bel
Performance Seek 2.6 Bel

Environmental Specifications

Environmental Specifications Temperature / Operating 5 ~55 C
Temperature / Non-operating -40 ~ 70 C
Humidity(non-condensing) / Operating 5 ~ 90 %
Humidity(non-condensing) / Non-operating 5~ 95 %
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

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

Physical Dimension

Physical Dimension Height (Max.) 9.5 mm
Width 69.85 mm
Length 100 mm
Weight (avg.) 105 g

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