Compare Hard Disk Drives

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

Western Digital Caviar Blue 500GB and Western Digital Caviar Blue 640GB are both hard disk drives with the same Cache (16MB), RPM (7200) and Form Factor (3.5"). The main differences are in Performance (+8%), Capacity and Interface.

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Western Digital Caviar Blue 500GB

Western Digital Caviar Blue 640GB

Prices
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In Stock

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In Stock

Last updated 22 minutes ago.

Prices
(Change region)

In Stock

Last updated 23 minutes ago.

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Brand

Western Digital

Brand

Western Digital

Model

WD5000AAKX

Model

WD6400AAKS

Release Date

📅 December 2010

Release Date

-

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

User reviews

★★★★★

(110 reviews)

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User reviews

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Performance (Charts)

117th / 637

(0%)

Performance (Charts)

126th / 637

(-8%)

Effective Value

46th / 161

Effective Value

37th / 161

Price history

View Details ►

Price history

View Details ►

Price/GB

$0.09

Price/GB

$0.05

GB/$1

11.63

GB/$1

18.63

Pros

Reliability

Pros

-

Capacity

500 GB

Capacity

640 GB

Cache

16MB

Cache

16MB

RPM

7200

RPM

7200

Interface

SATA 6 Gb/s

Interface

SATA 3 Gb/s

Form Factor

3.5"

Form Factor

3.5"

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 Caviar Blue 500GB:

Slightly better performance, around +8%

Reasons to buy the Western Digital Caviar Blue 640GB:

20% cheaper, you can save $8.64
Slightly better effective value.
More Capacity (+140 GB available)

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