The right choice!
No other drive is designed specifically for home and small office NAS systems and PCs with RAID.
Exclusive NASware technology.
Our exclusive technology, NASware, makes WD Red thrive in the demanding small-NAS environment.
Energy efficient and money saving.
We keep power consumption low which keeps your NAS system happy and your wallet, too.
Well keep our dedicated premium support lines open 24/7 with experts who have the answers your questions.
Advanced firmware technology built into every WD Red drive, NASware enables seamless integration, robust data protection and optimal performance for systems operating in NAS and RAID environments.
The secret is in the technology.
WDs exclusive NASware technology improves NAS storage performance by reducing common hard drive concerns in NAS systems including concerns for things like compatibility, integration, upgrade ability, reliability and cost of ownership that are experienced with a hard drive designed for desktop computers.
3D Active Balance Plus.
Our enhanced dual-plane balance control technology significantly improves the overall drive performance and reliability. Hard drives that are not properly balanced may cause excessive vibration and noise in a multidrive system, reduce the hard drive life span, and degrade the performance over time.
Your NAS systems is always on, a highly reliable drive is essential. With a 35% MTBF improvement over standard desktop drives, the WD Red drive is designed and manufactured to be a more reliable and robust solution.
Reduce your electricity bill and carbon footprint with WD Red drives. Innovative technology reduces power consumption and lowers the operating temperature, resulting in a more reliable and affordable solution for always on 24x7 NAS environments.
Exclusively for WD Red drive customers, our free dedicated 24/7 support line is available in English. Other regional support hours vary.
WD Red 2 TB Hard Drive for NAS ( WD20EFRX)
Interface SATA 6 Gb/s
Rotational Speed IntelliPower *
Buffer Size 64 MB
Buffer To Host (Serial ATA) 6 Gb/s (Max)
Formatted Capacity 2,000,398 MB
Capacity 2 TB
User Sectors Per Drive 3,907,029,168
MTBF 1,000,000 hours
Height 1.028 Inches
Depth 5.787 Inches
Width 4.00 Inches
Weight 1.40 Pounds
Height 26.1 mm
Depth 147 mm
Width 101.6 mm
Weight 0.635 kg
Operating Shock (Read) 65G, 2 ms
Non-operating Shock 250G, 2 ms
Idle Mode 23 dBA (average)
Seek Mode 0 24 dBA (average)
Operating 32° F to 158° F
Non-operating -40° F to 158° F
Operating -0° C to 70° C
Non-operating -40° C to 70° C
Operating 5-95% RH non-condensing
Operating 0.004 g²/Hz (10 to 300 Hz)
Non-operating 0.05 g²/Hz (10 to 300 Hz)
Linear 20-300 Hz, 0.75G (0 to peak)
Read/Write 250 mA
Idle 230 mA
Standby 7 mA
Sleep 7 mA
Read/Write 280 mA
Idle 260 mA
Standby 105 mA
Sleep 105 mA
Read/Write 4.40 Watts
Idle 4.10 Watts
Standby 0.60 Watts
Sleep 0.60 Watts