Western Digital
WD40EFPX - Western Digital 4TB 5400RPM SATA 6Gb/s 3.5-in Hard Drive
PNWD40EFPX
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SKU WD40EFPX
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Western Digital WD40EFPX Red Plus 4TB 5400RPM SATA 6Gb/S 258MB Cache 3.5-Inch NAS Hard Drive
With 4TB capacity and utilizing CMR technology this 3.5-Inch WD Red Plus WD40EFPX offers efficiency for data storing and sharing on mid-sized home and small business NAS systems. SATA 6Gb/s drive with NCQ and AF performance support. RoHS compliant, ensuring it meets environmental regulations.
- 1M hours MTBF
- RAID-optimized NAS systems with up to 8 bays
- NASware technology for NAS system workloads
- Improved dual-plane balance control
- Compatible with NAS enclosures through extensive testing
General Information
| Product Line | Red |
|---|---|
| Product Type | Hard Drive |
Technical Information
| Storage Capacity | 4 TB |
|---|---|
| Cache Storage | 258MB |
| Maximum Data Transfer Rate | 6Gb/s |
| RPM | 5400 |
| Drive Type | Internal |
| Drive Width | 3.5" |
Interfaces/Ports
| Drive Interface | SATA |
|---|---|
| Interface Standard | 6Gb/s SATA |
Miscellaneous
| Compliance Standards | RoHS, WEEE |
|---|
Also known as — equivalent part numbers
This part is sold under the following identifiers. Search any of them to reach this page.
- Primary part number
- WD40EFPX
Warranty
Warranty included, backed directly by SAHS. See our Warranty Policy for details.
Returns
Contact our team with your order details and we'll walk you through the process — see our Shipping & Returns page and policies for full details.
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