Compare Hard Disk Drives

Compare Western Digital Purple 18TB vs Purple 14TB

Western Digital Purple 18TB and Western Digital Purple 14TB are both hard disk drives with the same Cache (512MB), RPM (7200) and Interface (SATA 6 Gb/s). The main differences are in Capacity.

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Western Digital Purple 18TB

Western Digital Purple 14TB

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Brand

Western Digital

Brand

Western Digital

Model

WD181PURP

Model

WD140PURZ

Release Date

📅 May 2021

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

60

GB/$1

46.67

Capacity

18000 GB

Capacity

14000 GB

Cache

512MB

Cache

512MB

RPM

7200

RPM

7200

Interface

SATA 6 Gb/s

Interface

SATA 6 Gb/s

Form Factor

3.5"

Form Factor

3.5"

Options (2)

	8TB $455.00
	14TB $299.99

Options (5)

	4TB 64 MB Cache $124.95
	1TB 64 MB Cache $209.59
	3TB 64 MB Cache $163.00
	10TB 256 MB Cache $448.95
	2TB 256 MB Cache $142.99

Comparison and key differences summary

Reasons to buy the Western Digital Purple 18TB:

51% cheaper, you can save $312.24
Newer Product, it was released around 17 months later
More Capacity (+4000 GB available)

Reasons to buy the Western Digital Purple 14TB:

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