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Description: Ships: Price:
250GB Western Digital Caviar SE ATA 8MB Cache 7200rpm 8.9ms with 3yr Western Digital Warranty (WDGWD2500AAJB) Same Day $67.99
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Western Digital

WD Caviar® SE
EIDE Hard Drives
250 GB, 100 MB/s, 8MB Cache, 7200 RPM

Fast
Cool
Quiet


Cool, quiet and fast. WD Caviar SE drives offer superior performance and reliability, making them ideal for business and family desktops.


Cool, quiet operation, superior performance and industry-leading reliability make these EIDE drives ideal for desktop, business, and consumer electronics storage.

Key Features

  • Fast - 8MB cache - Keeps more of your data in high-speed memory for unsurpassed performance in its class. Fast 7200 RPM spindle speed and EIDE (Ultra ATA/100) for burst transfer rates up to 100 MB/s. For even higher performance, consider WD Caviar SE16 SATA 3 Gb/s hard drives.
  • Cool - Cool operation results in the highest reliability, even in intensely hot environments such as digital video recorders. That's why these, the coolest on the market, are the drives of choice for the world's leading consumer electronics and PC manufacturers.
  • Quiet - The technology that Tom's Hardware Guide called "very fast and nearly silent" is used throughout this family of drives. Our WhisperDrive™ technology minimizes noise to levels near the threshold of human hearing. To cut seek noise, SoftSeek™ technology streamlines read/write seeking algorithms, resulting in more efficient operation.

Ideal For

High-performance family and business computing. These drives easily handle photo editing and data-intensive multimedia applications. For even higher performance, consider WD Caviar SE16 SATA hard drives.

How this WD hard drive protects your data

  • Data Lifeguard™ is an exclusive set of data protection features, including shock protection, an environmental protection system and real-time embedded error detection and repair. WD's Data Lifeguard technology automatically finds, isolates, and repairs problems that may develop over the life of a hard drive.
  • Data Lifeguard Tools™ are software utilities designed for WD hard drives that work with the embedded Data Lifeguard features to make hard drive installation,diagnostics and repair both simple and worry-free. (Download Data Lifeguard Tools)
  • ShockGuard™ instantaneously protects the hard drive against damage from bumps and vibrations while it is running. This technology enables WD Caviar drives to achieve industry-leading shock specifications.

Specifications

Performance Specifications
Rotational Speed 7,200 RPM (nominal)
Buffer Size 8MB
Average Latency 4.20 ms (nominal)
Start/Stop Cycles 50,000 minimum
Warranty 3-year Limited Warranty
 
Seek Times
Read Seek Time 8.9 ms
Write Seek Time 10.9 ms (average)
Track-To-Track Seek Time 2.0 ms (average)
Full Stroke Seek 21.0 ms (average)
   
Transfer Rates
Buffer To Disk 972 Mbits/s (Max)
   
Physical Specifications
Formatted Capacity 250,059MB
Capacity 250GB
Interface EIDE 100 MB/s
User Sectors Per Drive 488,397,168
   
Physical Dimensions
English
Height 1.028 Inches (Max)
Length 5.787 Inches (Max)
Width 4.00 Inches (± 0.010 inch)
Weight 1.39 Pounds
   
Metric
Height 25.4 mm (Max)
Length 147 mm (Max)
Width 101.6 mm
Weight 0.63 kg
   
   
Environmental Specifications
Shock
Operating Shock (Read) 65G, 2 ms
Non-operating Shock 350G, 2 ms
   
Acoustics
Idle Mode 28 dBA (average)
Seek Mode 0 26 dBA (average)
Seek Mode 3 29 dBA (average)
   
Temperature (English)
Operating 32° F to 140° F
Non-operating -40° F to 149° F
   
Temperature (Metric)
Operating -0° C to 60° 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 7-500 Hz, 0.00221 g² / Hz
   
Non-operating
Low Frequency 10-300 Hz, 0.195 inches (double amplitude)
High Frequency 300-500 Hz, 5.0G (0 to peak)
   
Electrical Specifications
Current Requirements
12 VDC
Read/Write 460 mA
Idle 450 mA
Standby 6 mA
Sleep 6 mA
   
5 VDC  
Read/Write 650 mA
Idle 600 mA
Standby 180 mA
Sleep 180 mA
   
Power Dissipation  
Read/Write 8.77 Watts
Idle 8.40 Watts
Standby 0.97 Watts
Sleep 0.97 Watts
 
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