WD140EFGX WD Red Plus 14TB SATA 512 MB 3.5" NAS HDD
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WD140EFGX
High-Density 3.5in SATA NAS HDD featuring CMR recording and 24x7 duty cycle with the WD140EFGX
The WD140EFGX is a 14TB 3.5in SATA hard drive engineered for always-on NAS storage where consistent write behavior and predictable RAID rebuilds matter more than burst performance. In SMB and ROBO environments, the WD140EFGX aligns with mainstream x86 server and NAS CPU platforms by delivering dependable nearline throughput over SATA without requiring PCIe lane allocation, enabling efficient controller and backplane designs.
Architecturally, the WD140EFGX supports CMR recording to avoid write-amplification patterns associated with SMR, making it well-suited for multi-bay RAID arrays and backup repositories. With 4Kn media and 512e emulation, the WD140EFGX integrates into mixed-OS fleets while improving modern alignment behavior when configured for 4Kn-aware stacks. NCQ support and a 512MB cache help sustain concurrent I/O in multi-user file shares, while 7200RPM operation targets steady latency under typical NAS queue depths.
Why Choose the WD140EFGX?
The WD140EFGX provides a practical density-to-performance profile for scaling SATA nearline tiers in NAS enclosures and storage servers without changing the host platform. For IT teams standardising on RAID, the WD140EFGX offers enterprise-oriented reliability characteristics, including 24x7 operation and a 1,000,000-hour MTBF class design, supporting predictable expansion and capacity refresh cycles across multiple sites.
WD designs the WD140EFGX with an engineering focus on data integrity under continuous operation, compatibility with common NAS firmware ecosystems, and behavior aligned to modern data centre serviceability expectations. This positioning supports controlled deployments where power, acoustics, and thermal envelopes must remain consistent across high-bay chassis.
Key Applications:
- SMB and ROBO NAS file shares
- RAID capacity expansion in multi-bay NAS
- Backup repositories and retention tiers
- SATA nearline storage pools
At Happyware - Server Hardware you benefit from non-binding offers tailored to your rollout volumes for the WD140EFGX, enabling accurate project budgeting and phased procurement. For long-lived NAS platforms, an extended warranty of up to 6 years can be added to strengthen operational planning.
Technical details of WD140EFGX
How long is the Warranty and how you can get technical support for WD140EFGX
| 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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