Compare Hard Disk Drives

Compare Western Digital Purple Surveillance 4TB vs Purple 18TB WD180PURZ

Western Digital Purple Surveillance 4TB and Western Digital Purple 18TB WD180PURZ 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 Surveillance 4TB

Western Digital Purple 18TB WD180PURZ

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In Stock

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In Stock

Last updated 35 minutes ago.

In Stock

Free shipping

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Prices
(Change region)

In Stock

Last updated 34 minutes ago.

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Brand

Western Digital

Brand

Western Digital

Model

WD43PURZ

Model

WD180PURZ

Release Date

📅 May 2023

Release Date

📅 November 2019

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

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Price history

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Price history

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Price/GB

$0.02

Price/GB

$0.02

GB/$1

43.96

GB/$1

51.43

Capacity

4000 GB

Capacity

18000 GB

Cache

256MB

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 (1)

Western Digital Purple Surveillance 6TB

6TB
$259.99

Options (3)

	2TB 64 MB Cache Hard Drive HDD $140.00
	8TB 256 MB Cache Hard Drive HDD $219.99
	12TB 256 MB Cache Hard Drive HDD $542.00

Comparison and key differences summary

Reasons to buy the Western Digital Purple Surveillance 4TB:

78% cheaper, you can save $689.52
Newer Product, it was released around 4 years later

Reasons to buy the Western Digital Purple 18TB WD180PURZ:

More Capacity (+14000 GB available)
Higher Revolutions Per Minute (+1800 RPM)
More Internal Cache (+256 MB available)

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