🔴 Power your NAS with the ultimate blend of speed, capacity, and reliability!
The Western Digital 4TB Red NAS HDD (WD40EFRX) is a 3.5-inch mechanical hard drive designed specifically for small office and home NAS systems. Featuring a 5400 RPM spindle speed, 64MB cache, and SATA 6Gb/s interface, it delivers reliable, optimized 24/7 performance with NASware 3.0 firmware. Ideal for prosumers and SOHO users, it supports up to 8-bay NAS environments, ensuring seamless media streaming, backup, and file sharing.
| Brand | Western Digital |
| Product Dimensions | 14.73 x 10.16 x 2.54 cm; 680 g |
| Batteries | 1 Product Specific batteries required. |
| Item model number | WD40EFRX |
| Manufacturer | Western Digital |
| Series | WD40EFRX |
| Colour | Red |
| Form Factor | 3.5-inch |
| Standing screen display size | 3.5 Inches |
| RAM Size | 4 GB |
| Hard Drive Size | 4000 GB |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Drive Interface | Serial ATA |
| Hard Disk Rotational Speed | 5400 RPM |
| Wattage | 4 watts |
| Hardware Platform | PC; Mac |
| Operating System | NASware 3.0 firmware |
| Are Batteries Included | No |
| Lithium Battery Packaging | Batteries contained in equipment |
| Item Weight | 680 g |
| Guaranteed software updates until | unknown |
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