WD Red WD20EFRX - Hard drive - 2 TB - internal - 3.5" - SATA 6Gb/s - buffer: 64 MB - for My Cloud EX2; EX4
WD's exclusive NASware technology, built into every WD Red hard drive, improves NAS storage performance by reducing common hard drive concerns in NAS systems including concerns for things like compatibility, integration, upgradeability, reliability and cost of ownership that are experienced with a hard drive designed for desktop computers.
Please call or e-mail us for availability¹
¹ In case of any change to this timeframe one of our staff members will contact you directly to discuss, excludes weekends.
*Our stock is a mix of Supplier and HT Stock.
All shipments are subject to our standard delivery policy.
Images may differ slightly from actual product
Hard drive - internal
IntelliPower, Advanced Format technology, NAS compatible, NASware technology, 3D Active Balance Plus , S.M.A.R.T.
Drive Transfer Rate
600 MBps (external)
Internal Data Rate
1 per 10^14
Start / Stop Cycles
Expansion & Connectivity
1 x SATA 6 Gb/s - 7 pin Serial ATA
1 x internal - 3.5" x 1/3H
4.1 Watt ( read )
4.1 Watt ( write )
2.7 Watt ( idle )
0.4 Watt ( sleep )
Service & Support
3 years warranty
Service & Support Details
Limited warranty - 3 years
Min Operating Temperature
Max Operating Temperature
65 g @ 2ms (operating) / 250 g @ 2ms (non-operating)
WD My Cloud EX2
WD My Cloud EX4