Compare Hard Disk Drives

Compare Western Digital 2TB WD Purple vs Purple 22TB

Western Digital 2TB WD Purple and Western Digital Purple 22TB are both hard disk drives with the same Interface (SATA 6 Gb/s) and Form Factor (3.5"). The main differences are in Capacity, Cache and RPM.

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Western Digital 2TB WD Purple

Western Digital Purple 22TB

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Brand

Western Digital

Brand

Western Digital

Model

WD20PURZ

Model

WD221PURP

Release Date

📅 June 2019

Release Date

📅 July 2022

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

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Performance (Charts)

77th / 637

Performance (Charts)

n/a

Effective Value

30th / 161

Effective Value

-

Price history

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Price history

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Price/GB

$0.03

Price/GB

$0.03

GB/$1

31.25

GB/$1

39.29

Capacity

2000 GB

Capacity

22000 GB

Cache

64MB

Cache

512MB

RPM

5400

RPM

7200

Interface

SATA 6 Gb/s

Interface

SATA 6 Gb/s

Form Factor

3.5"

Form Factor

3.5"

Options (8)

	6TB $240.00
	4TB $124.95
	12TB $542.00
	1TB $209.48
	3TB $163.00
	8TB $219.99
	14TB $612.22
	10TB $448.95

Options (3)

	14TB HDD $299.99
	8TB HDD $455.00
	18TB HDD $734.99

Comparison and key differences summary

Reasons to buy the Western Digital 2TB WD Purple:

83% cheaper, you can save $694.99

Reasons to buy the Western Digital Purple 22TB:

Newer Product, it was released around 3 years later
More Capacity (+20000 GB available)
Higher Revolutions Per Minute (+1800 RPM)
More Internal Cache (+448 MB available)

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