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Home > Hardware > Hard drives > SATA > Ascent part number: 407351
Hard drives - SATA Ascent part number: 407351
Western Digital Red WD20EFRX Hard Disk Drive, 2000GB, 5400-7200rpm, 64MB Cache, SATA 6 Gb/s
Western Digital Red WD20EFRX Hard Disk Drive, 2000GB, 5400-7200rpm, 64MB Cache, SATA 6 Gb/s
Western Digital Red WD20EFRX Hard Disk Drive, 2000GB, 5400-7200rpm, 64MB Cache, SATA 6 Gb/s
Warranty
Manufacturer support
Manfacturer URLWestern Digital
Manfacturer part number
Manufacturer part no
WD20EFRX
Manufacturer's specification
Red WD20EFRX, 2000GB, 5400-7200rpm, 64MB Cache, SATA 6 Gb/s    
Stock Indicator In stock as at 2 Oct
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$161.81 incl GST (including FREE delivery)
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Hard drive warranties

Warranties do not cover loss of data.
Quick glance
Interface SATA 6 Gb/s
Capacity 2TB
Speed 5400-7200
Cache 64 MB
Cost per Gigabyte $0.08 incl GST
Overview

- Up to 8-bay NAS systems
- Personal, Small and home office NAS
- 24x7 NAS systems

WD NAS internal hard drives are the essential solution for NAS applications. These drives are cool and quiet, and offer optimum compatibility in 24x7 NAS systems with up to eight bays.


Specifications
Product Specifications
Interface SATA 6 Gb/s

Performance Specifications
Rotational Speed IntelliPower *
Buffer Size 64 MB

Transfer Rates
Buffer To Host (Serial ATA) 6 Gb/s (Max)

Physical Specifications
Formatted Capacity 2,000,398 MB
Capacity 2 TB
User Sectors Per Drive 3,907,029,168


Performance Specifications
Target Performance
MTBF 1,000,000 hours

Physical Dimensions
Height 26.1 mm
Depth 147 mm
Width 101.6 mm
Weight 0.635 kg


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

Acoustics
Idle Mode 23 dBA (average)
Seek Mode 0 24 dBA (average)

Temperature (Metric)
Operating -0° C to 70° C
Non-operating -40° C to 70° C

Humidity
Operating 5-95% RH non-condensing

Vibration
Operating 0.004 g²/Hz (10 to 300 Hz)
Non-operating 0.05 g²/Hz (10 to 300 Hz)
Operating
Linear 20-300 Hz, 0.75G (0 to peak)


Electrical Specifications
Current Requirements
12 VDC
Read/Write 250 mA
Idle 230 mA
Standby 7 mA
Sleep 7 mA
5 VDC
Read/Write 280 mA
Idle 260 mA
Standby 105 mA
Sleep 105 mA
Power Dissipation
Read/Write 4.40 Watts
Idle 4.10 Watts
Standby 0.60 Watts
Sleep 0.60 Watts

While every attempt is made to ensure the information provided on this page is accurate, specifications change from time to time and we are not liable for any omissions or errors.

Please read our terms and conditions

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