640 GB | 2.5" Western Digital Scorpio Blue WD6400BPVT 5400 RPM 8MB Cache SATA 3.0Gb/s Internal Notebook Hard Drive -Bare Drive

Quick Facts

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: 640,135 MB
• Capacity: 640 GB
• Interface: SATA 3 Gb/s
• User Sectors Per Drive: 1,250,263,728

Massive 1 TB capacity.

Storage capacity for 2.5-inch form factor drives with standard 9.5 mm height has arrived at a realm once thought to be impossible - up to 1 TB - giving you all the capacity you need to keep your photos, music and files right there on your notebook.

Low power consumption.

State-of-the-art seeking algorithms and advanced power management features ensure low power consumption and long battery life.

Ultra quiet.

In a notebook drive, silence is golden. WD's exclusive WhisperDrive technology yields one of the quietest 2.5-inch hard drives on the market.

Did you know...

It's easy to install an internal hard drive in your computer.

Download specification sheet

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: 640,135 MB
• Capacity: 640 GB
• Interface: SATA 3 Gb/s
• User Sectors Per Drive: 1,250,263,728

Physical Dimensions

English

• Height: 0.374 Inches
• Depth: 3.94 Inches
• Width: 2.75 Inches
• Weight: 0.26 Pounds

Metric

• Height: 9.5 mm
• Depth: 100.2 mm
• Width: 69.85 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% to 95% 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