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Silver 3.5-inch internal hard drive with exposed circuit board

HGST

HGST Ultrastar 7K4000 HUS724040ALS640 4000 GB 7200 rpm internal hard drive

SKU CH-56CY-XKVB8

A 4 TB enterprise drive rated for 2.0 million hours MTBF with 7200 rpm performance and 59 % lower idle power

  • Enterprise reliability with 2.0 million hours MTBF
  • 4000 GB capacity for high-density storage
  • 7200 rpm speed for responsive data access
  • 59% lower power in low-rpm idle mode
  • Advanced 512e format with dual-stage actuator and RVS

Enterprise 4 TB 7200 rpm Drive

The HGST Ultrastar 7K4000 HUS724040ALS640 is a new 4000 GB internal hard drive built for desktop and server workloads. It spins at 7200 rpm and uses a 5-platter design proven in large-scale data centres. Dual-stage actuator and enhanced rotational vibration safeguard keep performance steady when many drives run together. The 512e advanced format ensures broad system compatibility.

4 TB Capacity With 59% Idle Power Saving

Four terabytes give ample room for bulk storage, backups and near-line archives. The drive handles sustained sequential workloads well but will saturate at the mechanical limits of 7200 rpm during heavy random I/O. Five power-management modes cut idle consumption by 59 percent and drop standby draw below one watt. This headroom helps dense deployments stay within power budgets.

Low Heat And Quiet Operation In Normal Use

Advanced power modes keep heat output modest during typical desktop or light server duty. Acoustic profile stays unobtrusive for office or rack environments. The 2.0 million hour MTBF rating reflects the rigorous qualification and ongoing reliability testing each unit undergoes. Retail or OEM packaging may vary.

Highlights

  • Enterprise reliability with 2.0 million hours MTBF
  • 4000 GB capacity for high-density storage
  • 7200 rpm speed for responsive data access
  • 59% lower power in low-rpm idle mode
  • Advanced 512e format with dual-stage actuator and RVS

Specifications

No published specifications for this item yet.

Questions about this item

Will the 4000 GB capacity and 512e format work with my older motherboard that only recognises 512-byte sectors?

The drive uses 512-byte emulation so it presents 512-byte logical sectors to the host, letting legacy BIOS and older operating systems address the full 4000 GB without special drivers.

How can I confirm the dual-stage actuator and rotational-vibration safeguard are active after installation?

SMART attributes report seek-error rates and vibration-related counters; stable low values under sustained multi-drive workloads show the DSA and RVS mechanisms are functioning.

The packing note says retail or OEM packing may vary — what items are guaranteed to be inside?

Only the bare Ultrastar 7K4000 drive itself is guaranteed; cables, brackets, screws or software are not included and must be sourced separately.

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