Western Digital
Western Digital WD40EFPX 4TB 3.5" SATA 6Gb/s CMR NAS Hard Drive
Western Digital WD40EFPX 4TB 3.5" SATA 6Gb/s CMR NAS Hard Drive
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MPN: WD40EFPX
EAN: 5715063053317
Manufacturer: Western Digital
Condition: New
Trusted by customers since 2009
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We take care to ensure all product descriptions and specifications on our website are accurate and current at the time of listing. Product packaging or minor details may change over time. If a specific feature or compatibility requirement is important to you, please contact us before placing your order and we will be happy to assist.
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Western Digital WD40EFPX 4TB 3.5" SATA 6Gb/s CMR NAS Hard Drive
- LARGE 4TB CAPACITY – Ample space for storing and managing extensive data collections.
- 24/7 OPERATION – Built for continuous use with up to 1 million hours MTBF for peace of mind.
- NAS-OPTIMISED PERFORMANCE – NASware 3.0 technology ensures smooth integration and reliability.
- LOW NOISE & ENERGY EFFICIENT – Operates quietly at 23 dB idle and 5400 RPM for efficient performance.
- ENVIRONMENTALLY CERTIFIED – RoHS compliant and covered by a 1-year warranty for added assurance.
Product Description:
The Western Digital WD40EFPX 4TB 3.5" SATA hard drive delivers dependable, high-capacity storage for demanding environments. Designed for 24/7 operation, this drive is perfect for NAS systems, offering advanced NASware 3.0 technology for enhanced compatibility, performance, and reliability.
Features:
- 4TB storage capacity
- 3.5" form factor
- SATA III 6Gb/s interface
- 5400 RPM speed
- 256MB buffer size
- RoHS compliant
- Designed for 24/7 operation
- 1 million hours MTBF
- 180TB/year workload rate limit
Technical Specifications:
- Interface: Serial ATA III
- Buffer Size: 256 MB
- Noise Level (Idle): 23 dB
- Start/Stop Cycles: 600,000
- Advanced Format (AF): Yes
- Native Command Queuing (NCQ): Yes
- Hot-Swap: No
- Quantity Per Pack: 1
What's Included:
- 1 x Western Digital WD40EFPX 4TB 3.5" SATA Hard Drive
Warranty & Shipping:
- 1-year manufacturer warranty
- RoHS compliant for environmental safety
Technical Specifications:
| Type | HDD |
|---|---|
| Hdd Size | 3.5 " |
| Hot-Swap | No |
| Hdd Speed | 5400 RPM |
| Interface | Serial ATA III |
| Hdd Capacity | 4 TB |
| Component For | NAS |
| 24/7 Operation | Yes |
| Quantity Per Pack | 1 pc(s) |
| Start/Stop Cycles | 600000 |
| Noise Level (Idle) | 23 dB |
| Workload Rate Limit | 180 TB/year |
| Advanced Format (Af) | Yes |
| Compliance Certificates | RoHS |
| Storage Drive Buffer Size | 256 MB |
| Hdd Interface Transfer Rate | 6 Gbit/s |
| Native Command Queuing (Ncq) | Yes |
| Mean Time Between Failures (Mtbf) | 1000000 h |