Western Digital Caviar Blue 500GB vs Red Plus 4TB WD40EFPX Hard Disk Comparison

Western Digital Caviar Blue 500GB and Western Digital Red Plus 4TB WD40EFPX 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 Caviar Blue 500GB	Western Digital Red Plus 4TB WD40EFPX
Prices (Change region) In Stock Free shipping $43.00 In Stock $45.98 Last updated 53 minutes ago.	Prices (Change region) Out of Stock $99.79 Out of Stock $99.99 Out of Stock Free shipping $99.99 Out of Stock Free shipping $114.99 Out of Stock $127.87 Out of Stock Free shipping $159.99 Out of Stock Free shipping $295.45 - Buy now Show 5 more offers
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Brand Western Digital	Brand Western Digital
Model WD5000AAKX	Model WD40EFPX
Release Date 📅 December 2010	Release Date 📅 October 2022
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★★ (110 reviews) Add a product review	User reviews Add a product review
Performance (Charts) 117th / 637	Performance (Charts) n/a
Effective Value 46th / 161	Effective Value -
Price history View Details ►	Price history View Details ►
Price/GB $0.09	Price/GB $0.02
GB/$1 11.63	GB/$1 40
Pros Reliability	Pros -
Capacity 500 GB	Capacity 4000 GB
Cache 16MB	Cache 256MB
RPM 7200	RPM 5400
Interface SATA 6 Gb/s	Interface SATA 6 Gb/s
Form Factor 3.5"	Form Factor 3.5"