We’re really sorry but we’ve sold out of this product and are unable to obtain more stock. In most cases this is usually because the manufacturer has discontinued the product. We don’t want you to miss out though so here’s some of our best selling products which are similar to what you are looking for. Take a look and you could just find the perfect item. Just a small point to note - they might not have the exact features as the product you initially wanted so please be sure to check the features before you buy.
WD Red™: The colour of NAS.
WD Red is designed for NAS systems that have 1-8 drive bays. Available in capacities ranging from 1TB to 8TB, WD Red is designed specifically for home and small office NAS systems. The drives are extensively tested for compatibility and reliability in the demanding operating environment of a 24x7 NAS system. WD's exclusive NASware™ firmware technology enables seamless integration and balanced performance. Innovative technology reduces power comsumption and lowers the operating temperature, and with a 35% improvement in MTBF over desktop drives, WD Red is a more reliable and robust NAS hard drive solution.
• Designed specifcally for home and small office NAS systems - WD Red is the only hard drive for 1-8 bay systems
• Exclusive NASware™ technology - advanced firmware for seamless integration and optimal performance
• Energy efficient and reliable - Innovative technology reduces power consumption and operating temperature
Product Description | WD Red Plus WD40EFRX - hard drive - 4 TB - SATA 6Gb/s |
Type | Hard drive - internal |
Capacity | 4 TB |
Form Factor | 3.5" x 1/3H |
Interface | SATA 6Gb/s |
Data Transfer Rate | 600 MBps |
Buffer Size | 64 MB |
Features | Native Command Queuing (NCQ), IntelliPower, Advanced Format technology, NAS compatible, NASware technology, 3D Active Balance Plus, S.M.A.R.T. |
Dimensions (WxDxH) | 101.6 mm x 147 mm x 26.1 mm |
Weight | 680 g |
Manufacturer Warranty | 3-year warranty |
Designed For | My Cloud EX2; EX4 |
General | |
Device Type | Hard drive - internal |
Capacity | 4 TB |
Form Factor | 3.5" x 1/3H |
Interface | SATA 6Gb/s |
Buffer Size | 64 MB |
Features | Native Command Queuing (NCQ), IntelliPower, Advanced Format technology, NAS compatible, NASware technology, 3D Active Balance Plus, S.M.A.R.T. |
Width | 101.6 mm |
Depth | 147 mm |
Height | 26.1 mm |
Weight | 680 g |
Performance | |
Drive Transfer Rate | 600 MBps (external) |
Internal Data Rate | 150 MBps |
Reliability | |
MTBF | 1,000,000 hour(s) |
Non-Recoverable Errors | 1 per 10^14 |
Load / Unload Cycles | 600,000 |
Expansion & Connectivity | |
Interfaces | 1 x SATA 6 Gb/s - 7 pin Serial ATA |
Compatible Bay | 3.5" x 1/3H |
Power | |
Power Consumption | 4.5 Watt (read) , 4.5 Watt (write) , 3.3 Watt (idle) , 0.4 Watt (sleep) |
Miscellaneous | |
Compliant Standards | RoHS |
Manufacturer Warranty | |
Service & Support | Limited warranty - 3 years |
Environmental Parameters | |
Min Operating Temperature | 0 °C |
Max Operating Temperature | 65 °C |
Shock Tolerance | 65 g @ 2ms (operating) / 250 g @ 2ms (non-operating) |
Sound Emission | 25 dBA |
Compatibility Information | |
Designed For | WD My Cloud EX2 , WD My Cloud EX4 |
Pop your email address below and we’ll let you know as soon as this item is back in stock: