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

- Fast 8 MB 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
- Cool operation results in the highest reliability
- WhisperDrive™ technology minimizes noise to levels near the threshold of human hearing.
- SoftSeek™ technology streamlines read/write seeking algorithms, resulting in more efficient operation.

Formatted Capacity: 250,059 MB
Capacity: 250 GB
Interface: EIDE
Number of Platters: 3
User Sectors Per Drive: 448,397,168

Performance:
Rotational Speed: 7,200 RPM (nominal)
Buffer Size: 8 MB
Average Latency: 4.20 ms (nominal)
Contact Start/Stop Cycles: 50,000 minimum

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)
Buffer to Host (EIDE): 100 MB/s max (Mode 5 Ultra ATA)

Environmental Specifications
Shock
Operating Shock (Read): 65G, 2 ms
Non-operating Shock: 350G, 2 ms

Acoustics
Idle Mode: 25 dBA (average)
Seek Mode 0: 29 dBA (average)
Seek Mode 3: 26 dBA (average)

Temperature (Metric)
Operating: 5 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


Vibration
Operating
Linear: 20-300 Hz, 0.75G (0 to peak)
Random: 10-300 Hz, 0.004 g / Hz
Non-operating
Low Frequency: 5-20 Hz, 0.195 inches (double amplitude)
High Frequency: 20-500 Hz, 4.0G (0 to peak)