WD6400AAKS WESTERN DIGITAL, WD6400AAKS Datasheet
WD6400AAKS
Manufacturer Part Number
WD6400AAKS
Description
DRIVE, SATA II, CAVIAR BLUE, 640GB
Manufacturer
WESTERN DIGITAL
Datasheet
1.WD6400AAKS.pdf
(2 pages)
Specifications of WD6400AAKS
Internal / External Drive
Internal
Interface Type
SATA 3 Gb/s
Hard Drive Capacity
640GB
Rotational Speed
7200rpm
Cache Buffer
16MB
Average Seek Time
8.9ms
Connector Type
SATA 2
Kit Contents
RoHS Compliant
WD Caviar Blue WD6400AAKS - hard drive - 640 GB - SATA-300
Description: This Western Digital Caviar Blue WD6400AAKS is a 640GB, standard hard
disk drive.Compared to other standard hard drives on the market, it is very inexpensive at
around $75.Its burst transfer rate (which is how fast the drive moves data already in its cache
into your computer) is 300 MBps.This is a 7200 rpm drive and has a 16MB cache.
Pros: Has a 16MB buffer, which is considerably larger than some similarly priced hard
drives.In fact, the average cost of a product with this large a buffer is $200.This drive comes
with a Serial ATA-300 controller interface?one of the fastest technologies for data transfer.
Cons: None noted, given available product data.
Suitability: Suitable for replacement or upgrade on many desktop PCs or workstations.
Value: In view of its very inexpensive price, this hard drive has great features for the money.
CNET's Product Briefs are generated by a software tool that combines product specifications
with knowledge of our editorial experts. They do not reflect hands-on assessment or labs
testing
General
Hard Drive
Performance
Device Type Hard drive - Internal hard drive
Width 4 in
Depth 5.8 in
Height 1 in
Weight 1.4 lbs
Form Factor
Capacity
Interface Type Serial ATA-300
Buffer Size 16 MB
Features SecurePark,
StableTrac,
IntelliSeek,
Perpendicular Magnetic Recording (PMR)
Compliant Standards S.M.A.R.T.
Drive Transfer Rate
Seek Time 8.9 ms (average)
Track-to-Track Seek Time 2 ms
640 GB
3.5" x 1/3H
300 MBps
Related parts for WD6400AAKS
WD6400AAKS Summary of contents
Page 1
... WD Caviar Blue WD6400AAKS - hard drive - 640 GB - SATA-300 Description: This Western Digital Caviar Blue WD6400AAKS is a 640GB, standard hard disk drive.Compared to other standard hard drives on the market very inexpensive at around $75.Its burst transfer rate (which is how fast the drive moves data already in its cache into your computer) is 300 MBps ...
Page 2
Average Latency 4.2 ms Spindle Speed 7200 rpm Reliability Storage Hard Drive / Non-Recoverable Errors 1 per 10^15 Start / Stop Cycles 50,000 Storage Controller Type None Expansion / Connectivity Interfaces 1 x Serial ...