Compare Hard Disk Drives

Compare WD Black 4TB WD4001FAEX vs WD Blue 4TB WD40EZAZ

WD Black 4TB WD4001FAEX and WD Blue 4TB WD40EZAZ are both hard disk drives with the same Capacity (4000 GB), Interface (SATA 6 Gb/s) and Form Factor (3.5"). The main differences are in Cache and RPM.

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WD Black 4TB WD4001FAEX

WD Blue 4TB WD40EZAZ

Prices
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In Stock

Last updated 9 minutes ago.

Prices
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In Stock

Last updated 11 minutes ago.

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Brand

Western Digital

Brand

Western Digital

Model

WD4001FAEX

Model

WD40EZAZ

Release Date

📅 November 2012

Release Date

📅 February 2021

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

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Performance (Charts)

76th / 637

Performance (Charts)

n/a

Effective Value

103rd / 161

Effective Value

-

Price history

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Price history

View Details ►

Price/GB

$0.03

Price/GB

$0.02

GB/$1

28.64

GB/$1

57.15

Capacity

4000 GB

Capacity

4000 GB

Cache

64MB

Cache

256MB

RPM

7200

RPM

5400

Interface

SATA 6 Gb/s

Interface

SATA 6 Gb/s

Form Factor

3.5"

Form Factor

3.5"

Options (2)

	1 TB $109.20
	2 TB $154.49

Options (4)

	2TB 5400 RPM $146.99
	3TB 5400 RPM $59.99
	2TB 7200 RPM $89.99
	6TB 5400 RPM $264.99

Comparison and key differences summary

Reasons to buy the WD Black 4TB WD4001FAEX:

Higher Revolutions Per Minute (+1800 RPM)

Reasons to buy the WD Blue 4TB WD40EZAZ:

36% cheaper, you can save $124.76
Newer Product, it was released around 8 years later
More Internal Cache (+192 MB available)

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