Western Digital 4TB Intellipower SATA 6Gb/s 64 MB Cache 3.5-Inch NAS Desktop Hard Disk Drive - Red (WD40EFAX)

Western Digital 4TB Intellipower SATA 6Gb/s 64 MB Cache 3.5-Inch NAS Desktop Hard Disk Drive - Red (WD40EFAX) is priced at £225.00 — stable over the last 30 days.

Price last checked: 18 Apr 2026, 16:58

• Target audience: Prosumer, SOHO and Workgroups or users who want to enjoy streaming media, backing up PCs, file sharing and managing digital content quickly and easily. RPM Class : 5400
• Designed and tested for personal/home/small office 1-8 bay NASware 3.0 environments; for larger applications, please use WD red pro hard drives
• Built for up to 8-bay NASware 3.0 systems and up to 10 TB capacities, for larger systems please use red pro drives
• NASware (TM) technology which optimises the hard drive for 24 x 7 NAS environments and improves reliability within NAS systems
• Before the users are starting to use the disk: do run a full surface test on it and if this test is passed then it will means the disk is OK