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Silver 3.5 inch bare hard drive with circuit board visible

HGST

HGST 0F23666 8TB 7200 RPM 128MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-NK3S-4DZEZ MPN 0F23666

An 8 TB, 7200 RPM SATA hard drive with 128 MB cache in a 3.5″ helium-filled chassis, built for server workloads

  • Total capacity8 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory128 MB
  • 8 TB capacity stores large server datasets
  • 7200 RPM spindle speed accelerates data access
  • 128 MB cache buffers frequent read/write operations
  • SATA 6.0 Gb/s interface matches standard server backplanes
  • 5 inch helium platform fits enterprise drive bays

HGST Ultra 8TB server storage

The HGST Ultra 0F23666 is an 8TB 3.5" internal hard drive built on a helium platform for enterprise workloads. It spins at 7200 RPM with a 128MB cache and connects via SATA 6.0Gb/s. The bare-drive packaging suits system integrators and server deployments.

Suited for capacity-heavy arrays.

This drive fits servers and storage arrays that prioritise sustained throughput and high areal density over low latency. Workstations needing rapid random access for databases or virtualisation will find the mechanical latency limiting. Buyers who want more storage per bay should note the 8TB ceiling.

Bare drive changes installation planning

No mounting screws, cables or software utilities are included in the bare-drive package. Installers must supply their own SATA data and power cables as well as 3.5" drive trays or brackets. The helium-sealed design requires no field maintenance but does not alter standard SATA hot-swap procedures.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $560.99
Pricier than about 90% of the 4,938 comparable items (median $107.99).
Total capacity 8 TB
Higher than about 80% of the 2,372 comparable items (median 2 TB).
Price per TB $70.12 per TB
Typical for this category: the median of 2,365 items is $62.21 per TB.

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Specifications

Product
Brand nameHGST
Product lineUltra
Total capacity8 TB
Recommended useIdeal for Servers
Performance
Rotational speed7,200 RPM
Storage
Cache memory128 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight4.54 kg
Package size203 × 152 × 76 mm

Questions about this item

Does my motherboard need a SATA 6.0Gb/s port to use this 8TB drive?

Yes, the drive connects through a standard SATA 6.0Gb/s interface, so your motherboard must provide a compatible SATA data port and a SATA power connector from the power supply.

Will this 3.5" 7200 RPM drive work in the same system as my older SATA 3.0Gb/s drives?

It will operate alongside older SATA drives because the interface is backward compatible, though the 8TB Ultra drive will run at the slower 3.0Gb/s link speed when connected to that controller.

How can I confirm the 128MB cache and 7200 RPM speed are active after installation?

Check the drive details in your BIOS or use a tool such as CrystalDiskInfo; it will report the model 0F23666 with 8TB capacity, 7200 RPM rotation rate and 128MB buffer size.

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