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500GB WD Caviar RE SATA I/II 3.5" Enterprise 7200RPM HDD 'RAID Edition' 16MB Cache, 5yr Western Digital Factory Warranty (WDGWD5001ABYS) Same Day $89.99
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Western Digital

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

High Capacity
Enterprise-class
24x7 Reliability

1.2 million hours MTBF. Best-in-class vibration tolerance. 5-year limited warranty. Just three of the reasons why WD RE2 drives are the world's most reliable SATA drives.

WD RE2 hard drives are the world’s most reliable server-class SATA drives in the market. With 1.2 million hours MTBF, 5-year limited warranty, 3 Gb/s SATA technology, and best-in-class vibration tolerance, WD RE2 drives offer the best combination of superior reliability, high capacity, and optimum performance for enterprise applications.

Key Features

  • Superior reliability - Designed and manufactured to server-class standards to provide best-in-class enterprise reliability in high duty cycle environments. With 1.2 million hours MTBF, these drives have the highest available reliability rating on a high-capacity drive.
  • High capacity - Up to 750 GB of storage packed with server-class features and low cost-per-gigabyte value.
  • Fast - With a next-generation SATA interface, 3 Gb/s data transfer rate, native command queuing (NCQ), and 16 MB cache, these drives deliver optimum performance.
  • Low power - Active Power Save™ delivers best-in-class seek mode power consumption through an advanced WD firmware which conserves power in active seek modes without degrading performance.
  • RAID-specific, time-limited error recovery (TLER) - A feature pioneered by WD, significantly reduces drive fallout caused by the extended hard drive error-recovery processes common to desktop drives.
  • Rotary Acceleration Feed Forward (RAFF™) - Provides best-in-class vibration tolerance by optimizing operation and performance when the drives are used in vibration-prone, multidrive systems such as rack-mounted servers or network storage.
  • Perpendicular Magnetic Recording (PMR) - WD RE2 drives employ PMR technology to achieve even greater areal density.
  • 5-year limited warranty

Ideal For

  • Servers
  • SAN/NAS
  • scientific computing
  • life sciences
  • video surveillance
  • enterprise backup
  • document/image management
  • audio/video media applications
  • other demanding write-intensive applications.

 

Specifications

Performance Specifications
Rotational Speed 7,200 RPM (nominal)
Buffer Size 16 MB
Average Latency 4.20 ms (nominal)
Start/Stop Cycles 50,000 minimum
Warranty 5-year Limited Warranty
   
Seek Times
Read Seek Time 8.9 ms
Write Seek Time 8.9 ms (average)
Track-To-Track Seek Time 2.0 ms (average)
Full Stroke Seek 21.0 ms (average)
   
Transfer Rates
Buffer To Host (Serial ATA) 3 Gb/s (Max)
Buffer To Disk 85 MB/s (Sustained)
   
   
Physical Specifications
Formatted Capacity 500,107 MB
Capacity 500 GB
Interface SATA 3 Gb/s
User Sectors Per Drive 976,773,168
   
   
Physical Dimensions
English
Height 1.028 Inches (Max)
Length 5.787 Inches (Max)
Width 4.00 Inches (± 0.010 inch)
Weight 1.61 Pounds
   
Metric
Height 25.4 mm (Max)
Length 147 mm (Max)
Width 101.6 mm
Weight 0.73 kg
   
   
Environmental Specifications
Shock
Operating Shock (Read) 65G, 2 ms
Non-operating Shock 250G, 2 ms
   
Acoustics
Idle Mode 28 dBA (average)
Seek Mode 0 33 dBA (average)
Seek Mode 3 29 dBA (average)
   
Temperature (English)
Operating 41° F to 131° F
Non-operating -40° F to 149° F
   
Temperature (Metric)
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 (English)
Operating -1,000 feet to 10,000 feet
Non-operating -1,000 feet to 40,000 feet
   
Altitude (Metric)
Operating -305M to 3,050M
Non-operating -305M to 12,200M
   
Vibration
Operating
Linear 20-300 Hz, 0.75 G (0 to peak)
Random 10-300 Hz (0.004 g2 / 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 450 mA
Idle 430 mA
Standby 20 mA
Sleep 20 mA
   
5 VDC
Read/Write 800 mA
Idle 730 mA
Standby 270 mA
Sleep 250 mA
   
Power Dissipation
Read/Write 9.50 Watts
Idle 8.75 Watts
Standby 1.60 Watts
Sleep 1.50 Watts
 
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