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Description: Ships: Price:
750GB Western Digita WD RE3 SATA I/II 3.5" Enterprise 7200RPM HDD 'RAID Edition' 32MB Cache, 5yr Western Digital Factory Warranty (WDGWD7502ABYS) Pending $137.99
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Western Digital

WD RE3
3.5-inch Enterprise SATA Hard Drives
750 GB, 1.2 million hours MTBF, 32 MB Cache, 7200 RPM

Generation 3: Best-in-class performance, unparalleled reliability.
High performance enterprise SATA drives designed specifically for business-critical applications.


WD RE3 drives combine up to 32 MB cache with SATA 3 Gb/s transfer rate for lightning-fast performance in demanding server and storage applications. Technologically advanced acoustics minimize noise. Cool drive operation and enhanced reliability features help protect the drive and the data stored on it.

Key Features

  • Dual processor - Twice the processing power results in a 20% performance improvement over the previous generation.
  • RAFF™ - Western Digital's 4th generation RAFF technology includes sophisticated electronics to monitor the drive and correct both linear and rotational vibration simultaneously, in real time for up to a 60% performance improvement in high vibration environments over the previous generation of drives.
  • IntelliSeek™ - Calculates optimum seek speeds to lower power consumption, noise, and vibration in active seek modes without degrading performance.
  • Multi-axis shock sensor - An additional 3rd sensor has been added to automatically detect subtle high frequency shock events in all axes enabling compensation to protect the data.
  • RAID-specific, time-limited error recovery (TLER) - Prevents drive fallout caused by the extended hard drive error-recovery processes common to desktop drives.
  • Third generation dynamic fly height - Each read-write head's fly height is adjusted in real time for optimum reliability.
  • Thermal extended burn-in test - Each drive is put through extended burn-in testing with thermal cycling to ensure reliable operation.
  • NoTouch™ ramp load technology - The recording head never touches the disk media ensuring significantly less wear to the recording head and media as well as better drive protection in transit.
  • Perpendicular Magnetic Recording (PMR) - WD RE3 drives utilize PMR technology to achieve even greater areal density.

Ideal For

Ideal for servers, storage arrays, video surveillance, and other demanding write-intensive applications.


Specifications

Performance Specifications
Rotational Speed 7,200 RPM (nominal)
Buffer Size 32 MB
Average Latency 4.20 ms (nominal)
   
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
English
Height 1.028 Inches (Max)
Length 5.787 Inches (Max)
Width 4.00 Inches (± 0.010 inch)
Weight 1.52 Pounds
   
Metric
Height 25.4 mm (Max)
Length 147 mm (Max)
Width 101.6 mm
Weight 0.69 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 32° F to 140° F
Non-operating -40° F to 158° F
   
Temperature (Metric)
Operating -0° C to 60° C
Non-operating -40° C to 70° 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, .75G (0 to peak)
Random 0.004 g²/Hz (10 to 300 Hz)
   
Non-Operating  
Low Frequency 0.05 g²/Hz (10 to 300 Hz)
High Frequency 20-500 Hz, 4.0G (0 to peak)
   
Electrical Specifications
Current Requirements
12 VDC
Read/Write 490 mA
Idle 470 mA
Standby 5 mA
Sleep 5 mA
   
5 VDC
Read/Write 500 mA
Idle 420 mA
Standby 160 mA
Sleep 160 mA
   
Power Dissipation
Read/Write 8.40 Watts
Idle 7.8 Watts
Standby 1.00 Watts
Sleep 1.00 Watts
 
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