Western Digital 4TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD40EFAX
Brand: Western Digital
Color: Red
Categories: Electronics, Computers & Accessories, Computer Components, Internal Components


Available in capacities ranging from 2-6TB with support for up to 8 bays
5400RPM performance class
NASware firmware for compatibility
NAS systems with daily workloads associated with personal and home office environments and idle time available to perform necessary background operations
Supports up to 180 TB/yr Workload Rate Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours))

Hard Disk Description: Mechanical Hard Disk
Hard Disk Interface: Serial ATA-600
Hard Disk Form Factor: 3.5 Inches
Connectivity Technology: SATA
Digital Storage Capacity: 4 TB
Brand: ‎Western Digital
Color: ‎Red
Compatible Devices: Desktop
Hard Disk Rotational Speed: 5400 RPM
Hard Disk Size: 4 TB
Flash Memory Size: ‎4 GB
Series: ‎WD Red
Batteries: ‎1 Lithium Ion batteries required.
Product Dimensions: ‎1.03 x 5.79 x 4 inches
Manufacturer: ‎Western Digital
Item Weight: ‎1.2 pounds
Date First Available: ‎January 15, 2020
Country of Origin: ‎China
Item Dimensions LxWxH: ‎1.03 x 5.79 x 4 inches
Customer Reviews: 4.6 out of 5 stars 1,786 ratings 4.6 out of 5 stars
Hardware Platform: ‎PC, Mac
Is Discontinued By Manufacturer: ‎No
Language: ‎English, English, English, English, English
Hard Drive Interface: ‎Serial ATA-600
ASIN: ‎B083XVY99B
Hard Drive: ‎4 TB Mechanical Hard Disk
Hard Drive Rotational Speed: ‎5400 RPM
Item model number: ‎WD40EFAX