WD40EFAX WD Red 4TB SATA 256MB 3.5" NAS HDD
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| Quantity | Unit price |
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€453.32
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€430.70
€453.32
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€421.60
€453.32
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| From 50 |
€408.00
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Red
€453.32
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WD40EFAX
3.5in NAS-Class SATA HDD featuring SMR capacity efficiency with the WD40EFAX
The WD40EFAX is a 3.5in internal SATA HDD engineered for always-on NAS duty cycles where predictable sequential throughput and controlled write patterns are the priority. In storage-centric platforms, it complements modern CPU and memory architectures by providing economical capacity for file services, media repositories, and backup tiers without consuming PCIe lanes or requiring host-side NVMe resources.
Within multi-bay NAS enclosures and SMB rack systems, the WD40EFAX integrates via a standard SATA link and supports NCQ to sustain queued I/O typical of multi-user shares. Its 4Kn Advanced Format (512e emulation) improves sector efficiency for contemporary OS and NAS stacks, while a 256MB cache helps absorb burst traffic before data is committed to the SMR media. The 5400 RPM design targets balanced power and acoustics for dense arrays where thermals and vibration management matter as much as raw IOPS.
Why Choose the WD40EFAX?
The WD40EFAX is a pragmatic capacity building block for NAS and archive tiers that value watts-per-terabyte and bay density over random-write performance. For scale-out retention and protected shares, the WD40EFAX supports 24x7 operational profiles and simplifies incremental expansion by adding capacity without redesigning the host PCIe topology or memory footprint.
WD designs the Red NAS family with an emphasis on continuous operation, predictable behavior in multi-drive environments, and compatibility with common NAS firmware ecosystems. The WD40EFAX aligns with data-centre-informed reliability practices through controlled power draw and a 1,000,000-hour MTBF target for long service life planning.
Key Applications:
- Home and SMB NAS arrays
- Backup targets and rotation sets
- Archive and cold data repositories
- Media libraries and file shares
- Bulk sequential read/write workloads
At Happyware - Server Hardware you benefit from non-binding offers tailored to your deployment and volume requirements for the WD40EFAX, enabling standardized rollouts across multiple NAS nodes. Extended warranty options up to 6 years help align the WD40EFAX with enterprise refresh cycles and operational risk policies.
Technical details of WD40EFAX
How long is the Warranty and how you can get technical support for WD40EFAX
| Warranty: | 12 months (part) |
|---|---|
| RMA Url: | https://support-de.wd.com/app/rmastatus/ |
| Description: | The item must be returned first for evaluation; if deemed defective, a replacement will be shipped. No guaranteed delivery times are offered |
| Support Portal: | https://support.happyware.com |
|---|
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