WD40EFZX WD Red Plus 4TB SATA 128 MB 3.5" NAS HDD
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€158.46
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€145.78
€158.46
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€134.69
€158.46
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€126.77
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Red Plus
€158.46
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WD40EFZX
Reliable 3.5in SATA NAS HDD architecture for 24x7 duty cycles with the WD40EFZX
The WD40EFZX is a 3.5in internal SATA HDD engineered for always-on NAS and capacity tiers where predictable behavior under mixed I/O is more important than peak IOPS. It integrates cleanly into x86 server platforms and appliance NAS designs, complementing CPU and memory resources by providing stable throughput for file services, backup jobs, and bulk datasets without introducing complex PCIe storage dependencies.
Designed around CMR recording and 4KB sector formatting (512e), the WD40EFZX supports consistent RAID rebuild characteristics and sustained write patterns compared to shingled approaches. In architectures where PCIe lanes are reserved for NICs, accelerators, or NVMe cache devices, SATA remains a practical expansion path; this drive fits standard backplanes and JBOD enclosures, allowing scalable capacity growth while keeping controller selection straightforward. A 5400RPM spindle and 128MB cache balance power and thermals for dense bays, aligning with branch and SMB deployments that require 24x7 operation.
Why Choose the WD40EFZX?
The WD40EFZX delivers a reliable density-to-power profile for NAS pools and nearline tiers, enabling cost-controlled scaling without changing the storage fabric. Its CMR design and continuous-operation rating support predictable fleet behavior across multi-bay arrays, making the WD40EFZX a pragmatic choice for standardized rollouts and phased capacity expansion in SATA-based environments.
WD focuses on platform compatibility and long-life operation for always-on storage, pairing conservative mechanical design with validation for NAS workloads. With an MTBF target of 1,000,000 hours, the WD40EFZX aligns with data centre expectations for service continuity, controlled maintenance windows, and consistent operation in RAID and JBOD topologies.
Key Applications:
- Small business NAS file services
- Home/branch backup targets
- RAID capacity expansion in servers
- JBOD bulk storage tiers
- Surveillance and archive repositories
At Happyware - Server Hardware you benefit from non-binding offers tailored to your deployment size and lifecycle plan, helping you standardize WD40EFZX procurement across sites. For multi-drive rollouts, Bulk Order Discount options support cost-efficient scaling of NAS and nearline capacity.
Technical details of WD40EFZX
How long is the Warranty and how you can get technical support for WD40EFZX
| 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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