Running out of reliable storage for your home or small-office NAS can mean lost files and endless frustration. The Western Digital Red 2TB (WD20EFRX-RFB) 64MB 3.5" Variable Hard Drive is a purpose-built 2 TB hard drive that keeps your data safe and always available, perfect for 1-5 bay NAS units that run 24 hours a day.
Usages of a 2 TB Hard Drive
A 2 TB hard drive fits seamlessly into everyday NAS tasks, from backing up family photos and videos to hosting shared work documents. Its variable speed balances performance and power use, so your NAS stays quiet while handling multiple users and scheduled backups without a hitch.
Benefits of Western Digital Hard Drive
- Longevity: MTBF of 1 000 000 h gives you years of dependable operation.
- Low Power: Idle consumption of just 4.1 W reduces electricity costs.
- Compatibility: Works with Windows, macOS and Linux, so you can mix devices freely.
- Shock Resistance: Withstands up to 30 G operating shock, protecting data during moves.
- Quiet Operation: Variable speed and efficient design keep noise to a minimum.
Why Choose Western Digital Hard Drive
Choosing this drive means you get a storage solution engineered specifically for NAS environments. It has been rigorously tested for 24 / 7 operation, so you won’t face the wear-and-tear issues common with desktop drives. The built-in SMART technology constantly monitors health, giving you early warnings before problems arise, and the 64 MB cache ensures smooth data transfers even during heavy workloads.
In addition, the drive’s 5 / 12 V operating voltage and modest power draw make it ideal for energy-conscious setups. Its compact 3.5" form factor fits neatly into standard NAS bays, and at just 600 g it adds minimal weight while delivering robust performance.
Key Features of a 2 TB Hard Drive
- Capacity: 2 TB. Ample space for large media libraries and backups.
- Interface: Serial ATA III. Fast 6 Gbit/s data transfer for quick file access.
- Buffer Size: 64 MB. Improves read/write efficiency during busy periods.
- Power (Read/Write): 4.4 W. Consistent energy use during active operations.
- Power (Standby): 0.6 W. Saves electricity when the drive is idle.
- Operating Temperature: 0 - 70 °C. Reliable performance in typical office climates.
- Storage Temperature: -40 - 70 °C. Safe to store in a wide range of conditions.
- Weight: 600 g. Light enough for easy installation yet solidly built.
- Dimensions: 147 mm × 101.6 mm × 26.1 mm. Fits standard 3.5" NAS bays.
- Certification: RoHS. Meets environmental standards for safer handling.
Specifications
| Features |
| Mean time between failures (MTBF) | 1000000 h |
| Start/stop cycles | 600000 |
| SMART technology | Yes |
| Storage drive buffer size | 64 MB |
| Type | HDD |
| Interface | Serial ATA III |
| HDD size | 3.5" |
| HDD speed | Variable |
| HDD capacity | 2 TB |
| Power |
| Operating voltage | 5 / 12 V |
| Power consumption (idle) | 4.1 W |
| Power consumption (read) | 4.4 W |
| Power consumption (write) | 4.4 W |
| Power consumption (standby) | 0.6 W |
| Operational conditions |
| Non-operating shock | 350 G |
| Operating shock | 30 G |
| Storage temperature (T-T) | -40 - 70 °C |
| Operating temperature (T-T) | 0 - 70 °C |
| Packaging content |
| Storage drive adapter included | No |
| Weight & dimensions |
| Weight | 600 g |
| Depth | 147 mm |
| Height | 26.1 mm |
| Width | 101.6 mm |
| Logistics data |
| Harmonized System (HS) code | 84717050 |
| Other features |
| Certification | RoHS |
| Linux operating systems supported | Yes |
| Mac operating systems supported | Yes |
| Windows operating systems supported | Yes |
| Data transfer rate | 6 Gbit/s |
| IntelliPower | Yes |
| Internal | Yes |
| Mac compatibility | Yes |
| Number of products included | 1 pc(s) |
| Operating temperature (T-T) | 0 - 70 °C |
| Storage temperature (T-T) | -40 - 70 °C |
