No other drive is designed specifically for home and small office NAS systems and PCs with RAID. Our exclusive technology, NASware™, makes WD Red thrive in the demanding small-NAS environment. We keep power consumption low which keeps your NAS system happy and your wallet, too. 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.
Western Digital 4TB Red SATA 3.5" Internal HDD has been discontinued, here are some related products you might like:
Western Digital 4TB Red SATA 3.5" Internal HDD
This product is no longer available
Features
- 16TB Storage Capacity
- Includes 4 x 4TB Hard Drive Retail Kits
- SATA 6 Gb/s Interface
- 3.5" Form Factor
- 64MB Cache Memory Buffer
Description
Specifications
| Storage | |
| Drive Capacity | 4.0 TB |
| Cache Memory | 64 MB |
| Performance | |
| Interface | SATA III (6 Gb/s) |
| Sequential Read Speed | 150 MB/s |
| Sequential Write Speed | 150 MB/s |
| Physical | |
| Drive Type | HDD |
| Form Factor | 3.5" |
| Noise Level | 28.0 dB (Active) 25.0 dB (Idle) |
| HDD Specs | |
| Spindle Speed (RPM) | 5400 RPM |
| Reliability / Data Integrity | |
| Load/Unload Cycles | 600,000 |
| Mean Time Between Failures (MTBF) | 1.0 Million Hours |
| Non-Recoverable Read Errors per Bits Read | < 1 in 1014 |
| Electrical | |
| Power Draw | 4.5 W (Active) 3.3 W (Idle) 0.4 W (Standby) |
| Current | 1.75 A at 12 VDC |
| Environmental | |
| Operating Shock | 30 G / 2.0 ms |
| Storage Shock | 250 G / 2.0 ms |
| Operating Temperature | 32 to 140°F / 0 to 60°C |
| Storage Temperature | -40 to 158°F / -40 to 70°C |
| General | |
| Certifications | RoHS, as per Manufacturer |
| Dimensions (W x H x D) | 1 x 5.7 x 4" / 26.1 x 144.8 x 101.6 mm |
| Weight | 1.5 lb / 0.7 kg |
In The Box
- WD 4TB Red 5400 rpm SATA III 3.5" Internal NAS HDD Retail Kit
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- Product: Western Digital 4TB Red SATA 3.5" Internal HDD
- Manufacturer: Western Digital
- Model: WD40EFRX
- SKU: WD40EFRX
- RM Product #: 19063
- Capacity: 4 TB
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