Compare Hard Disk Drives

Compare Western Digital Purple 3TB WD30PURX vs Purple 18TB

Western Digital Purple 3TB WD30PURX and Western Digital Purple 18TB 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 Purple 3TB WD30PURX

Western Digital Purple 18TB

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In Stock

Last updated 41 minutes ago.

In Stock

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In Stock

Last updated 43 minutes ago.

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Brand

Western Digital

Brand

Western Digital

Model

WD30PURX

Model

WD181PURP

Release Date

📅 February 2014

Release Date

📅 May 2021

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

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Performance (Charts)

85th / 637

Performance (Charts)

n/a

Effective Value

69th / 161

Effective Value

-

Price history

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Price history

View Details ►

Price/GB

$0.03

Price/GB

$0.02

GB/$1

35.29

GB/$1

60

Capacity

3000 GB

Capacity

18000 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 (3)

	2TB Old Generation Surveillance HDD $140.00
	4TB Old Generation Surveillance HDD $124.95
	6TB Old Generation Surveillance HDD $250.00

Options (2)

	8TB $455.00
	14TB $299.99

Comparison and key differences summary

Reasons to buy the Western Digital Purple 3TB WD30PURX:

47% cheaper, you can save $139.99

Reasons to buy the Western Digital Purple 18TB:

Newer Product, it was released around 7 years later
More Capacity (+15000 GB available)
Higher Revolutions Per Minute (+1800 RPM)
More Internal Cache (+448 MB available)

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