Compare Hard Disk Drives

Compare Western Digital 500GB Caviar Blue WD5000AAKS vs Caviar Blue 640GB

Western Digital 500GB Caviar Blue WD5000AAKS and Western Digital Caviar Blue 640GB are both hard disk drives with the same Cache (16MB), RPM (7200) and Interface (SATA 3 Gb/s). The main differences are in Performance (+4%) and Capacity.

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Western Digital 500GB Caviar Blue WD5000AAKS

Western Digital Caviar Blue 640GB

Prices
(Change region)

In Stock

Free shipping

In Stock

Last updated 38 minutes ago.

Prices
(Change region)

In Stock

Last updated 38 minutes ago.

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Brand

Western Digital

Brand

Western Digital

Model

WD5000AAKS

Model

WD6400AAKS

Release Date

-

Release Date

-

* First availability for purchase, it may not correspond to the actual market launch date.

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Performance (Charts)

133rd / 637

(-4%)

Performance (Charts)

126th / 637

(0%)

Effective Value

80th / 161

Effective Value

37th / 161

Price history

View Details ►

Price history

View Details ►

Price/GB

$0.10

Price/GB

$0.05

GB/$1

10.21

GB/$1

18.63

Capacity

500 GB

Capacity

640 GB

Cache

16MB

Cache

16MB

RPM

7200

RPM

7200

Interface

SATA 3 Gb/s

Interface

SATA 3 Gb/s

Form Factor

3.5"

Form Factor

3.5"

Options (3)

	250 GB $149.95
	320 GB $34.99
	640 GB $34.36

Options (3)

	500 GB $48.95
	250 GB $149.95
	320 GB $34.99

Comparison and key differences summary

Reasons to buy the Western Digital 500GB Caviar Blue WD5000AAKS:

Reasons to buy the Western Digital Caviar Blue 640GB:

30% cheaper, you can save $14.59
Slightly better performance, around +4%
Moderately better effective value.
More Capacity (+140 GB available)

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