Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD40EFRX
Brand: Western Digital
Color: Red
Categories: Electronics, Computers & Accessories, Computer Components, Internal Components


Available in capacities ranging from 1-14TB with support for up to 8 bays
5400RPM performance class
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))
NASware firmware for compatibility
Small or medium business NAS systems in a 24x7 environment

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: NAS systems
Hard Disk Rotational Speed: 1 RPM
Hard Disk Size: 4 TB
Series: ‎WD40EFRX
Batteries: ‎1 Product Specific batteries required.
Product Dimensions: ‎5.8 x 4 x 1 inches
RAM: ‎4 GB
Hard Drive Interface: ‎Serial ATA-600
Manufacturer: ‎Western Digital
Item Weight: ‎1.5 pounds
Item Dimensions LxWxH: ‎5.8 x 4 x 1 inches
Department: ‎Hdd
Flash Memory Size: ‎4 TB
Standing screen display size: ‎3.5 Inches
Customer Reviews: 4.6 out of 5 stars 11,924 ratings 4.6 out of 5 stars
Power Source: ‎Ac\dc
Hardware Platform: ‎PC; Mac
Is Discontinued By Manufacturer: ‎No
Date First Available: ‎September 3, 2013
Operating System: ‎NASware firmware
ASIN: ‎B00EHBERSE
Hard Drive: ‎4 TB Mechanical Hard Disk
Hard Drive Rotational Speed: ‎1 RPM
Item model number: ‎WD40EFRX