Western Digital Red Pro 22TB vs 18TB WD Red Pro Hard Disk Comparison

Western Digital Red Pro 22TB and Western Digital 18TB WD Red Pro 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 Red Pro 22TB	Western Digital 18TB WD Red Pro
Prices (Change region) Out of Stock Free shipping $899.99 In Stock $939.99 Last updated 41 minutes ago. In Stock Free shipping $989.47 Out of Stock $1,028.71 In Stock $1,179.99 Show 2 more offers	Prices (Change region) In Stock $699.90 Last updated 40 minutes ago. Out of Stock Free shipping $734.99 Out of Stock Free shipping $734.99 Out of Stock $907.20 In Stock $964.99 Show 2 more offers
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Brand Western Digital	Brand Western Digital
Model WD221KFGX	Model WD181KFGX
Release Date 📅 July 2022	Release Date 📅 October 2020
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.04	Price/GB $0.04
GB/$1 24.44	GB/$1 25.72
Capacity 22000 GB	Capacity 18000 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"