Product Code: WD2500BEVT

SPECIFICATIONS
Performance Specifications
Rotational Speed:
5,400 RPM (nominal)

Buffer Size:
8 MB

Average Latency:
5.50 ms (nominal)

Seek Times
Read Seek Time:
12.0 ms

Track-To-Track Seek Time:
2.0 ms (average)

Transfer Rates
Buffer To Host (Serial ATA):
3 Gb/s (Max)

Physical Specifications
Formatted Capacity:
250,059 MB

Capacity:
250 GB

Interface SATA:
3 Gb/s

User Sectors Per Drive:
488,397,168

Physical Dimensions
English
Height 0.374 Inches ±0.008 inch
Length 3.94 Inches ±0.010 inch
Width 2.75 ±0.010 inc

Weight 0.26 Pounds;
Metric
Height 9.5 mm ±0.20 mm
Length 100.2 ±0.25 mm
Width 69.85 ±0.25 mm

Weight:
0.117 kg

Environmental Specifications
Acoustics
Idle Mode:
24 dBA (average)

Seek Mode:
0 26 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 8-90% 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 0.00459 g²/Hz (10 to 500 Hz)
Non-operating 0.05102 g²/Hz (10 to 500 Hz)

Electrical Specifications
Current Requirements:
5 VDC

Read/Write:
500 mA

Idle:
400 mA

Standby:
50 mA

Sleep:
20 mA

Power Dissipation
Read/Write:
2.50 Watts

Idle:
0.85 Watts

Standby:
0.25 Watts

Sleep:
0.10 Watts

Warranty:
1 year