WD VELOCIRAPTOR WD1500HLFS 150GB SATA/300, NCQ, 16MB cache

Performance Specifications
Rotational Speed 10,000 RPM (nominal)
Buffer Size 16 MB
Average Latency 5.50 ms (nominal)
Load/unload Cycles 50,000 minimum

Seek Times
Read Seek Time 4.2 ms
Write Seek Time 4.7 ms (average)
Track-To-Track Seek Time 0.7 ms (average)

Transfer Rates Buffer To Host (Serial ATA) 3 Gb/s (Max) Transfer Rate (Buffer To Disk) 120 MB/s (Sustained) Physical Specifications
Formatted Capacity 300,069 MB
Capacity 300 GB
Interface SATA 3 Gb/s
User Sectors Per Drive 586,072,368

Physical Dimensions
English
Height 1.028 Inches (Max)
Length 5.787 Inches (Max)
Width 4.00 Inches (+/- 0.010 inch)
Weight 1.08 Pounds
Metric
Height 26.1 mm (Max)
Length 147 mm (Max)
Width 101.6 mm
Weight 0.489 kg

Shock
Operating Shock (Read) 65G, 2 ms
Non-operating Shock 300G, 2 ms

Acoustics
Idle Mode 29 dBA (average)
Seek Mode 0 36 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, 0.75G (0 to peak)
Random 10-300 Hz, 0.008 g2 / 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 225 mA
Idle 200 mA
Standby 6 mA
Sleep 6 mA

5 VDC
Read/Write 675 mA
Idle 425 mA
Standby 70 mA
Sleep 70 mA

Power Dissipation
Read/Write 6.08 Watts
Idle 4.53 Watts
Standby 0.42 Watts
Sleep 0.42 Watts