Твърд диск 320GB, WD AV Series, SATA2, 5400rpm, 32MB, 2.5" (6.35 cm)

WD AV-25
AV Hard Drives
5400 RPM, SATA 3 Gb/s, 32 MB cache, 1 million hours MTBF

Engineered to thrive in 24x7 streaming environments.

WD AV-25 2.5-inch SATA hard drives are specially engineered to offer cool quiet operation while providing maximum reliability in 24x7 always-on environments. With support for up to five simultaneous HD video streams, these drives are perfect for DVRs, digital video surveillance and other demanding multimedia applications.

Performance Specifications
Rotational Speed 5,400 RPM (nominal)
Buffer Size 32 MB
Average Latency 5.50 ms (nominal)
Load/unload Cycles 300,000 minimum

Transfer Rates
Buffer To Host (Serial ATA) 3 Gb/s (Max)

Physical Specifications

Formatted Capacity 320,072 MB
Capacity 320 GB
Interface SATA 3 Gb/s
Form Factor 2.5-inch Drive
User Sectors Per Drive 625,142,448

Physical Dimensions

Height 9.5 mm
Depth 100.2 mm
Width 69.85 mm
Weight 0.10 kg

Environmental Specifications

Shock
Operating Shock (Read) 350G, 2ms
Non-operating Shock 1000G, 2 ms

Acoustics
Idle Mode 23 dBA (average)
Seek Mode 0 25 dBA (average)

Temperature
Operating -0° C to 60° C
Non-operating -40° C to 65° C

Electrical Specifications

Current Requirements

Power Dissipation
Read/Write 1.6 Watts
Idle 0.65 Watts
Standby 0.20 Watts
Sleep 0.20 Watts

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