Твърд диск 750GB WD RaidEdition2, SATA2, 7200rpm, 16MB

WD RE2
SATA Hard Drives
750 GB, 1.2 million hours MTBF, 16 MB Cache, 7200 RPM

Huge capacity loaded with enterprise-class reliability and performance.

Loaded with performance and reliability features, these drives are the perfect solution for servers, video surveillance, and other demanding write-intensive applications.

Performance Specifications

Rotational Speed 7,200 RPM (nominal)
Buffer Size 16 MB
Average Latency 4.20 ms (nominal)
Load/unload Cycles 50,000 minimum

Seek Times

Read Seek Time 8.9 ms
Write Seek Time 9.6 ms (average)
Track-To-Track Seek Time 0.6 ms (average)
Full Stroke Seek 21.0 ms (average)

Transfer Rates

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

Physical Specifications

Formatted Capacity 750,156 MB
Capacity 750 GB
Interface SATA 3 Gb/s
User Sectors Per Drive 1,465,149,168

Physical Dimensions

Height 26.1 mm
Length 147 mm
Width 101.6 mm
Weight 0.73 kg

Environmental Specifications

Shock

Operating Shock (Read) 65G, 2 ms
Non-operating Shock 250G, 1 ms

Acoustics

Idle Mode 28 dBA (average)
Seek Mode 0 34 dBA (average)

Temperature

Operating 5° C to 55° C
Non-operating -40° C to 65° C

Humidity

Operating 5-95% RH non-condensing
Non-operating 5-95% RH non-condensing

Altitude

Operating -305M to 3,050M
Non-operating -305M to 12,200M

Vibration

Operating
Linear 20-300 Hz, 0.75G (0 to peak)
Random 10-300 Hz, 0.008 g^(2) / Hz

Non-operating
Low Frequency 5-20 Hz, 0.195 inches (double amplitude)
High Frequency 20-500 Hz, 4.0G (0 to peak)

Electrical Specifications

Current Requirements

12 VDC
Read/Write 545 mA
Idle 490 mA
Standby 6 mA
Sleep 6 mA

5 VDC
Read/Write 685 mA
Idle 535 mA
Standby 180 mA
Sleep 180 mA

Power Dissipation

Read/Write 11.5 Watts
Idle 8.5 Watts
Standby 0.97 Watts
Sleep 0.97 Watts

JAR Computers може да предложи ремонт/смяна/монтаж в наш сервиз или при партньор.

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