Compare Hard Disk Drives

Compare Western Digital Purple 8TB vs Purple 22TB

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  2. Hard Disk Drives
  3. Western Digital Purple 8TB 🆚 Western Digital Purple 22TB
Western Digital Purple 8TB and Western Digital Purple 22TB are both hard disk drives with the same RPM (7200), Interface (SATA 6 Gb/s) and Form Factor (3.5"). The main differences are in Capacity and Cache.
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Western Digital Purple 8TB Surveillance SATA 6 Gb/s 256 MB Cache 3.5" WD8001PURP
Western Digital Purple 8TB
Western Digital Purple 22TB SATA 6 Gb/s 512 MB Cache 3.5" - WD221PURP
Western Digital Purple 22TB
Prices
(Change region)
In Stock
Free shipping
$455.00
Prices
(Change region)
Out of Stock
Free shipping
$834.99
In Stock
Free shipping
$869.00
Out of Stock
$899.99
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Brand
Western Digital
Brand
Western Digital
Model
WD8001PURP
Model
WD221PURP
Release Date
📅 May 2021
Release Date
📅 July 2022
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.04
Price/GB
$0.03
GB/$1
26.67
GB/$1
39.29
Capacity
8000 GB
Capacity
22000 GB
Cache
256MB
Cache
512MB
RPM
7200
RPM
7200
Interface
SATA 6 Gb/s
Interface
SATA 6 Gb/s
Form Factor
3.5"
Form Factor
3.5"

Comparison and key differences summary

Reasons to buy the Western Digital Purple 8TB:

  • 46% cheaper, you can save $379.99

Buy now

Reasons to buy the Western Digital Purple 22TB:

  • Newer Product, it was released around 14 months later
  • More Capacity (+14000 GB available)
  • More Internal Cache (+256 MB available)

Buy now

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