Main product

Overview


WD Caviar Black drives combine a high performance electronics architecture with a rock solid mechanical architecture to deliver the perfect storage solution for your fully-loaded PC or maxed out gaming machine. Cool drive operation, no-touch head technology, and leading-edge vibration protection ensure enhanced reliability and sustained data throughput. And we back it all up with a 5-year limited warranty.

High Performance Electronics Architecture
- Dual processor - Twice the processing power to maximize performance.
- 32 MB cache - Bigger, faster cache means faster performance.

Rock Solid Mechanical Architecture
- StableTrac™ - The motor shaft is secured at both ends to reduce system-induced vibration and stabilize platters for accurate tracking, during read and write operations.
- NoTouch™ ramp load technology - The recording head never touches the disk media ensuring significantly less wear to the recording head and media as well as better drive protection in transit.

Massive Capacity - WD Caviar Black SATA drives are available in capacities up to 1 TB.

Compatible - We perform tests on hundreds of systems and a multitude of platforms in our FIT Lab™ and Mobile Compatibility Lab to give our customers confidence that our drives will work in their systems.

Ideal For
Power computing applications such as multimedia, video and photo editing, and maxed out gaming computers.

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.
- 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.




Specification

Technical Description: Western Digital Caviar Black 640GB internal hard drive 7200 RPM 32 MB 3.5" Serial ATA II
Features
Start/stop cycles:
50000
Bytes per sector:
512
Average latency:The average duration before a device can start with a job (for example reading a file from a hard disk).
4.2 ms
HDD number of heads:
5
Storage drive buffer size:
32 MB
Type:Characteristics of the device.
HDD
Interface:Interface ports to connect pieces of equipment. USB (Universal Serial Bus) has become the most popular wired interface to connect peripherals. USB 2.0 supports speeds up to 480 Mbit/s (USB 1: 12 Mbit/s). The interface FireWire is also known as the IEEE 1394 standard. Enhanced IDE (EIDE)is sometimes referred to as Fast ATA, Fast IDE or ATA-2.
Serial ATA II
HDD size:
3.5"
HDD speed:
7200 RPM
HDD capacity:
640 GB

Operational conditions
Non-operating shock:Environmental requirements for optimal protection from impact in non-operating mode
250 G
Non-operating altitude:
-305 - 12200 m
Operating altitude:
-305 - 3050 m
Non-operating vibration:Environmental requirements for vibration in non-operating mode
0.05 G
Operating vibration:Environmental requirements for vibration in operating mode
0.004 G
Storage relative humidity (H-H):
5 - 95%
Operating relative humidity (H-H):
5 - 95%
Storage temperature (T-T):The minimum and maximum temperatures at which the product can be safely stored.
-40 - 70 °C
Operating temperature (T-T):The minimum and maximum temperatures at which the product can be safely operated.
0 - 60 °C

Other features
Acoustic pressure emissions:Level of sound pressure per ISO 9614-1.
33 dB
Compatible operating systems:List of desktop operating systems tested as compatible with this product.
Windows 2000/XP/Vista
Drive ready time:
13 s
Power requirements:
12VDC ±10%

Power
Operating voltage:Defines the range of operating voltages available
5 / 12 V
Power consumption (off):
1 W
Power consumption (PowerSave):
7.8 W
Power consumption (standby):The amount of electricity that is consumed when the product is on standby.
1 W

Weight & dimensions
Weight:Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
690 g
Depth:The distance from the front to the back of something.
147 mm
Height:The measurement of the product from head to foot or from base to top.
25.4 mm
Width:The measurement or extent of something from side to side.
101.6 mm

Product details

WD6401AALS WD

Western Digital Caviar Black 640GB internal hard drive 7200 RPM 32 MB 3.5" Serial ATA II

£46.55 and

SKU: WD6401AALS

Western Digital Caviar Black 640GB internal hard drive 7200 RPM 32 MB 3.5" Serial ATA II

Quick Code: Q3219229 MPN: WD6401AALS

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