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Western Digital

WD WD20EFRX Red 2TB 3.5" SATA Hard Drive for NAS with IntelliPower 6Gb/s 64MB Cache

SKU: WD20EFRX MFR: WD20EFRX
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About the Western Digital WD20EFRX

The WD WD20EFRX Red 2TB NAS hard drive is designed and tested for compatibility in the unique 24x7 operating environment and demanding system requirements of home and small office Network Attached Storage (NAS). Built in NASware optimizes power use resulting in significant power savings and lower hard drive operating temperatures. This improves the overall reliability and performance of the drive and reduces the NAS of ownership.

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Western Digital WD20EFRX Features

  • Compatibility: Desktop hard drive is not always tested for compatibility in NAS and can present problems during integration
  • Reliability: Most desktop drive is not designed for the high operating temperatures or for 24x7 operating environments making them less reliable when used in a NAS system
  • Error recovery controls: Desktop drive is not traditionally designed for RAID environments and have controls that prevent the RAID controller from assisting in the event of an error which can cause the hard drive to drop off the RAID after a period of time
  • Noise and vibration: Typically designed for single drive applications, average desktop drive is not optimized for multi-drive systems which have higher noise and vibration levels. When these drives are added to a NAS, the additional vibration can reduce the reliability and life span of the drive
  • Enhanced reliability: Your NAS systems is always on, a highly reliable drive is essential. With a 35% MTBF improvement over standard desktop drives, this WD WD20EFRX Red drive is designed and manufactured to be a more reliable and robust solution
  • Energy efficient: Reduce your electricity bill and carbon footprint with the WD WD20EFRX Red drive. Innovative technology reduces power consumption and lowers the operating temperature, resulting in a more reliable and affordable solution for always on 24x7 NAS environments

Western Digital WD20EFRX Specifications

Interface SATA 6 Gb/s
Rotational Speed IntelliPower
Buffer Size 64 MB
Transfer Rates Buffer To Host (Serial ATA) 6 Gb/s (Max)
Formatted Capacity 2,000,592 MB
Capacity 2TB
User Sectors Per Drive 5,860,533,168
Target Performance MTBF 1,000,000 hours
Hard Drive Holds Up to 300,000 digital photos
Up to 500,500 songs (MP3)
Up to 300,000 songs (uncompressed CD quality)
Up to 30 hours of Digital Video (DV)
Up to 180 hours of DVD quality video
Up to 15 hours of HD video
Shock Operating Shock (Read) 65G, 2 ms
Non-operating Shock 250G, 2 ms
Acoustics Idle Mode23 dBA (average)
Seek Mode 024 dBA (average)
Temperature Operating 32deg. F to 158deg. F
Non-operating -40deg. F to 158deg. F
Humidity Operating 5-95% RH non-condensing
Vibration Operating 0.004 gÂ/Hz (10 to 300 Hz)
Non-operating 0.05 gÂ/Hz (10 to 300 Hz)
Operating Linear 20-300 Hz, 0.75G (0 to peak)
Read/Write 12 VDC: 250 mA
5 VDC: 280 mA
Power Dissipation: 4.40 Watts
Idle 12 VDC: 230 mA
5 VDC: 260 mA
Power Dissipation: 4.10 Watts
Standby 12 VDC: 7 mA
5 VDC: 105 mA
Power Dissipation: 0.60 Watts
Sleep 12 VDC: 7 mA
5 VDC: 105 mA
Power Dissipation: 0.60 Watts
Dimensions (H x D x W) 1.028 x 5.787 x 4" (2.611 x 14.69 x 10.16 cm)
Weight 1.40 lbs (0.63 kg)
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