Western Digital WD Red Plus 4TB NAS HDD 3.5" SATA 6GB/s 256MB Cache | WD40EFPX vs Western Digital WD Red Plus 4TB 3.5" NAS HDD SATA III NAS Hard Drive 5400 RPM 256MB Cache 180MB/S 1mil Hours MTBF 180TB/Year (WD40EFPX): Internal Hard Drives*

AttributeWestern Digital WD Red Plus 4TB NAS HDD 3.5" SATA 6GB/s 256MB Cache | WD40EFPX
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Western Digital WD Red Plus 4TB 3.5" NAS HDD SATA III NAS Hard Drive 5400 RPM 256MB Cache 180MB/S 1mil Hours MTBF 180TB/Year (WD40EFPX): Internal Hard Drives
Buy onAmazon
Price
$299.95
$446.27
Brand
Western Digital
Western Digital
Model Number
WD40EFPX
WD40EFPX
Storage
4 TB
4 TB
Form Factor
3.5 in
3.5 Inches
UPC
718037899794
718037899794
Colour
Red
Red
Type
Internal Desktop Drive
Item Type Name
Internal Hard Drive
Installation Type
Internal Hard Drive
Drive Type(s) Supported
HDD
Customer Package Type
OEM Bare Drive
Product Line
WD Red Plus
Model Name
WD Red Plus
Compatible Video Game Console Models
Sony PlayStation 5
Cache Memory Installed Size
4
Digital Storage Capacity
4 TB
Hard Disk Form Factor
3.5 Inches
Connectivity Technology
SATA
Hardware Connectivity
SATA 6.0 Gb/s

eBay is the best option because it offers the same 4 TB capacity and 5400 RPM NAS drive identity at a substantially lower price.

eBay

Pros It provides 4 TB capacity, 5400 RPM rotation, a 256 MB cache, SATA III, and a 3.5 in form factor at 299.95, with Brand New condition.

Cons It publishes fewer specifications than the Amazon listing, including no read speed, dimensions, package type, or stated compatibility with NAS systems.

Amazon

Pros It provides 4 TB capacity, NAS System compatibility, 5400 RPM rotation, SATA connectivity, a 3.5 Inches form factor, and a listed read speed of 150 Megabytes Per Second.

Cons It costs 446.27, which is 146.32 more than the eBay listing, and its Cache Memory Installed Size is listed as 4 rather than the eBay listing's 256 MB cache.

Recommendation

Choose eBay for the lower price because the core capacity, model, brand, rotation speed, and interface family match; choose the Amazon listing only if its additional published details or NAS System compatibility are more important.

Specs come from each listing's own marketplace data. Prices and availability change — always confirm on the retailer's page before you buy.