Western Digital Caviar Green 2TB WD20EARS vs Caviar Green 4TB Hard Disk Comparison

Western Digital Caviar Green 2TB WD20EARS and Western Digital Caviar Green 4TB are both hard disk drives with the same Cache (64MB) and Form Factor (3.5"). The main differences are in Performance (+29%), Capacity, RPM and Interface.

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Western Digital Caviar Green 2TB WD20EARS	Western Digital Caviar Green 4TB
Prices (Change region) In Stock $186.00	Prices (Change region) In Stock Free shipping $175.00 In Stock $188.51
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Brand Western Digital	Brand Western Digital
Model WD20EARS	Model WD40EZRX
Release Date -	Release Date 📅 September 2013
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews ★★★★★ (295 reviews) Add a product review
Performance (Charts) 125th / 637 (-29%)	Performance (Charts) 91st / 637 (0%)
Effective Value 142nd / 161	Effective Value 131st / 161
Price history View Details ►	Price history View Details ►
Price/GB $0.07	Price/GB $0.04
GB/$1 14.32	GB/$1 22.86
Pros -	Pros Reliability Low power consumption
Capacity 2000 GB	Capacity 4000 GB
Cache 64MB	Cache 64MB
RPM 5400	RPM 5900
Interface SATA 3 Gb/s	Interface SATA 6 Gb/s
Form Factor 3.5"	Form Factor 3.5"
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