How fast is the WD Red Hard Drive 3 Terabyte?
WD Red hard drives are designed and tested for compatibility in the unique 24×7 operating environment and demanding system requirements of home and small office NAS.
WD Red is the only hard drive designed for NAS systems that have 1-8 drive bays. The drives are designed and extensively tested for compatibility in the unique 24×7 operating environment and demanding system requirements of home and small office NAS.\
The right choice!
No other drive is designed specifically for home and small office NAS systems.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.
WD RED comparison
| Specifications | 8TB | 6TB | 5TB | 4TB | 3TB | 2TB | 1TB |
| Advanced Format (AF) | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Native command queuing | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| RoHS compliant | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Performance | |||||||
| Data transfer rate (max) | |||||||
| Interface speed | 6 Gb/s | 6 Gb/s | 6 Gb/s | 6 Gb/s | 6 Gb/s | 6 Gb/s | 6 Gb/s |
| Internal transfer rate | 178 MB/s | 175 MB/s | 170 MB/s | 150 MB/s | 147 MB/s | 147 MB/s | 150 MB/s |
| Cache (MB) | 128 | 64 | 64 | 64 | 64 | 64 | 64 |
| Performance Class | 5400 RPM Class | 5400 RPM Class 5400 RPM Class | 5400 RPM Class | 5400 RPM Class | 5400 RPM Class | 5400 RPM Class | |
| Reliability/Data Integrity | |||||||
| Load/unload cycles | 600,000 | 600,000 | 600,000 | 600,000 | 600,000 | 600,000 | 600,000 |
| Non-recoverable read errors per bits | |||||||
| read | |||||||
| MTBF (hours) | 1,000,000 | 1,000,000 | 1,000,000 | 1,000,000 | 1,000,000 | 1,000,000 | 1,000,000 |
| Limited warranty (years) | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Power Management | |||||||
| 12VDC ±10% (A, peak) | 1.79 | 1.75 | 1.75 | 1.75 | 1.73 | 1.73 | 1.20 |
| 5VDC ±10% (A, peak) | – | – | – | – | – | – | |
| Average power requirements (W) | |||||||
| Read/Write | 6.4 | 5.3 | 5.3 | 4.5 | 4.1 | 4.1 | 3.3 |
| Idle | 5.2 | 3.4 | 3.4 | 3.3 | 2.7 | 2.7 | 2.3 |
| Standby/Sleep | 0.7 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Environmental Specifications | |||||||
| Temperature (°C) | |||||||
| Operating | 0 to 65 | 0 to 65 | 0 to 65 | 0 to 65 | 0 to 65 | 0 to 65 | 0 to 65 |
| Non-operating | -40 to 70 | -40 to 70 | -40 to 70 | -40 to 70 | -40 to 70 | -40 to 70 | -40 to 70 |
| Shock (Gs) | |||||||
| Operating (2 ms, read/write) | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Operating (2 ms, read) | 65 | 65 | 65 | 65 | 65 | 65 | 65 |
| Non-operating (2 ms) | 250 | 250 | 250 | 250 | 250 | 250 | 350 |
| Acoustics (dBA) | |||||||
| Idle | 20 | 25 | 25 | 25 | 23 | 23 | 21 |
| Seek (average) | 29 | 28 | 28 | 28 | 24 | 24 | 22 |