WD40EFRX-20PK by Western Digital Corporation

Image shown is a representation only.

Manufacturer Western Digital Corporation
Manufacturer's Part Number WD40EFRX-20PK
Description Hard Drives/Solid State Drives; Brand Name: WD; Product Line: Red; Product Model: WD40EFRX; Product Type: Hard Drive; Storage Capacity: 4 TB;
NAME DESCRIPTION
Buffer: 64 MB
Weight (Approximate): 1.50 lb
Wireless LAN: No
Environmental Certification: WEEE, RoHS, China RoHS
Environmentally Friendly: Yes
Drive Interface Standard: SATA/600
Product Name: Red Plus 4TB NAS Hard Drive
Drive Type: Internal
Device Supported: Storage System
Spindle Speed (rpm): 5400
Limited Warranty: 3 Year
Endurance (TBW): 180 TB
Depth: 5.787 "
Packaged Quantity: 20
Brand Name: WD
Form Factor: 3.5"
Marketing Information:

Tackle Intensity with WD Red™ Plus
Packed with power to handle the small- to medium-sized business NAS environments and increased workloads for SOHO customers, WD Red™ Plus is ideal for archiving and sharing, as well as RAID array rebuilding on systems using ZFS and other file systems. Built and tested for up to 8-bay NAS systems, these drives give you the flexibility, versatility, and confidence in storing and sharing your precious home and work files.

For Small or Medium Businesses
Stream, backup, share, and organize your digital content with a NAS and WD Red™ Plus drives designed to effortlessly share content with the devices at your home or business. NASware™ 3.0 technology increases your drives’ compatibility with your existing network and devices. For larger businesses with up to 24 bays, count on WD Red™ Pro drives to deliver exceptional performance.

Exclusive NASware 3.0
Not just any drive will do. Get up to 112TB of capacity in your 8-bay NAS system and with Western Digital's exclusive NASware 3.0 technology, you can optimize each and every drive. Built into every WD Red™ Plus hard drive, NASware 3.0’s advanced technology improves storage performance by increasing compatibility, integration, upgradeability, and reliability.

Built for Optimum NAS Compatibility
WD Red™ Plus drives with NASware™ technology takes the guesswork out of selecting a drive. Optimized for NAS systems, our unique algorithm balances performance and reliability in NAS and RAID environments. Simply put, a WD Red™ Plus drive is one of the most compatible drives available for NAS enclosures. But don’t take our word for it. WD Red™ PLUS drives are a reflection of extensive NAS partner technology engagement and compatibility-testing. 

WD Red™ Pro for Big Business
If you’re looking for heavy duty performance for NAS, WD Red™ Pro drives deliver exceptional performance for the medium to large business customer with extreme demands. For NAS environments with 9 to 24 bays, WD Red™ Pro drives deliver uncompromising performance and unwavering assurance backed by a 5-year limited warranty.
Product Type: Hard Drive
Product Model: WD40EFRX
Height: 1.028 "
Storage Capacity: 4 TB
Width: 4 "
Product Line: Red
Drive Interface: SATA