| Brand | Western Digital |
|---|---|
| Products Status | New |
| Application | NAS |
| Interface | SATA 6Gb/s |
| Capacity | 4TB |
| Form Factor | 3.5" |
| Cache | 256MB |
| RPM | 5400 RPM |
| Model | WD40EFAX |
| Height (maximum) | 26.10mm |
| Length (maximum) | 147.00mm |
| Width (maximum) | 101.60mm |
| Recording Technology | SMR |
WD Red 4TB NAS Internal Hard Drive – 5400 RPM Class, SATA 6Gb/s, SMR, 256MB Cache, 3.5″ – WD40EFAX
**WD Red 4TB NAS HDD (WD40EFAX):** Optimized for NAS systems, this 5400 RPM Class drive delivers reliable 24/7 performance with energy efficiency and low noise. Features SATA 6Gb/s speeds, 256MB cache, and SMR technology for high-density 4TB storage. Tailored for multi-user environments, it ensures seamless compatibility with NAS setups, enhanced by NASware firmware for reduced downtime. Ideal for home/small business backups, media storage, and shared workflows, offering durability and stable operation in RAID configurations. Key USP: WD??s trusted reliability, purpose-built for NAS longevity.
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$Quote20 pcs (MOQ)
Minimum Order Quantity
| Brand: | Western Digital |
|---|---|
| Products Status: | New |
| Application: | NAS |
| Interface: | SATA 6Gb/s |
| Capacity: | 4TB |






