Western Digital RE3 Enterprise 250GB SATA/300 7200RPM 16MB Hard Drive

• Western Digital RE3 Enterprise 250 GB SATA/300 Hard Drive

• General Features:
• 250 GB capacity
• 250,059 MB formatted capacity
• 7200 RPM spindle speed
• 16 MB buffer
• 4.20 ms average latency
• 8.9 ms seek time (read)
• 0.6 ms track to track seek time
• 21 ms full stroke seek time
• Serial ATA interface
• SATA/300 data transfer rate (3 Gb/s)
• 488,397,168 user sectors per drive
• Dual processor
• RAFF – 4th generation technology to monitor and correct both linear and rotational vibration
• Multi-axis shock sensor
• RAID-specific, time-limited error recovery (TLER) technology
• Third generation dynamic fly height
• NoTouch ramp load technology
• Perpendicular Magnetic Recording (PMR)
• 3.5-inch form factor

• Power Specifications:
• 280 mA read/write (12 VDC)
• 270 mA idle (12 VDC)
• 6 mA standby (12 VDC)
• 6 mA sleep (12 VDC)
• 650 mA read/write (5 VDC)
• 660 mA idle (5 VDC)
• 180 mA standby (5 VDC)
• 180 mA sleep (5 VDC)
• 6.60W read/write power dissipation
• 6.20W idle power dissipation
• 0.97W standby power dissipation
• 0.97W sleep power dissipation

• Environmental Specifications:
• 65G, 2 ms operating shock (read)
• 300G, 2 ms non-operating shock
• 25 dBA (average) acoustics idle mode
• 26 dBA (average) acoustics seek mode 0
• 29 dBA (average) acoustics seek mode 3
• 41° F to 131° F operating temperature
• -40° F to 149° F non-operating temperature
• 5-95% RH non-condensing humidity operating
• 5-95% RH non-condensing humidity non-operating
• -1,000-feet to 10,000-feet operating altitude
• -1,000-feet to 40,000-feet non-operating altitude
• 20-300 Hz, 0.75G (0 to peak) vibration linear operation
• 10-300 Hz, 0.004 g²/Hz vibration random operation
• 0.05 g²/Hz (10 to 300 Hz) low frequency non-operation
• 20-500 Hz, 4.0G (0 to peak) high frequency non-operation
  
  
• Unit Dimensions:
• 1.028 x 4 x 5.787-inches (H x W x D)
• 0.97-pounds
  
  
• Regulatory Approvals:
• CE
• cULus
• BSMI
• TUV
• C-Tick
• RoHS

• Western Digital RE3 Enterprise 250 GB SATA/300 Hard Drive only

• Notes:
• Model: WD2502ABYS
  
  
• Product Requirements:
• Serial ATA (SATA) controller
• Serial ATA (SATA) data cable
• Serial ATA (SATA) power cable
• Available 3.5-inch hard drive bay