WD101EFBX WD Red Plus 10TB SATA 256 MB 3.5" Server HDD

High-Capacity 3.5" SATA NAS HDD featuring CMR recording consistency with the WD101EFBX

The WD101EFBX is a 10TB 3.5" SATA hard drive engineered for always-on NAS and enterprise file services where predictable rebuild behavior matters. In RAID environments, its CMR recording model and NCQ command handling support sustained write consistency under mixed sequential and random I/O, reducing the risk of performance collapse during scrubs, parity checks, and recovery operations.

Designed as a nearline storage tier, the WD101EFBX aligns with storage architectures that emphasize capacity density per rack unit and low-touch management. The 7200RPM spindle and 256MB cache provide practical throughput for SMB/branch arrays, while Advanced Format 4Kn/512e flexibility helps integrate the drive into modern controllers and legacy compatibility modes. With a 1,000,000-hour MTBF profile, the WD101EFBX supports 24x7 duty cycles when deployed across scale-out NAS nodes or centralized file servers.

Why Choose the WD101EFBX?

The WD101EFBX delivers a balanced density-to-performance ratio for SATA-based storage shelves and NAS chassis, focusing on reliability and operational predictability rather than burst metrics. As a component in multi-bay RAID sets, the WD101EFBX enables scalable capacity growth with consistent behavior across drive groups, supporting straightforward lifecycle planning and phased expansions without architectural redesign.

WD designs its Red Plus portfolio with an engineering emphasis on sustained operation, workload stability, and compatibility with common NAS platforms and SATA host interfaces. The WD101EFBX reflects this approach through CMR-based data placement, standardized sector formatting options, and compliance alignment such as RoHS for modern data centre procurement requirements.

Key Applications:

• SMB and branch-office NAS arrays
• RAID file services and shared storage
• Backup repositories and nearline tiers
• Archive and retention storage

At Happyware - Server Hardware you benefit from bulk order discount options for storage rollouts and an extended warranty of up to 6 years to help secure long-lived NAS and archive deployments.