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Silver 3.5 inch enterprise hard drive with SAS connector

Western Digital

Western Digital 0B42258 10TB 7200 RPM 256MB SAS 12Gb/s 3.5" internal hard drive

SKU CH-KZF8-V8G2W MPN 0B42258

10 TB enterprise hard drive with 7200 RPM, 256 MB cache and SAS 12Gb/s interface

  • Total capacity10 TB
  • Interface typeSAS 12Gb/s
  • Form factor3.5 in (8.89 cm)
  • Flash memory typeHard Drive
  • Rotational speed7,200 RPM
  • Cache memory256 MB
  • 10TB capacity for large-scale enterprise storage
  • 7200 RPM spindle speed for responsive data access
  • 256MB cache to accelerate read and write operations
  • SAS 12Gb/s interface for high-throughput connectivity
  • 5-inch form factor fits standard enterprise drive bays

Enterprise storage drive

The Western Digital Ultrastar DC HC330 is a 10TB 3.5-inch internal hard drive built for enterprise storage arrays and servers. Its SAS 12Gb/s interface and 7200 RPM spindle speed suit workloads that demand sustained throughput and high capacity in a standard drive bay.

Helium platform and 26.1mm height

The helium-sealed design fits the 26.1mm z-height used in dense 3.5-inch bays, allowing the 10TB capacity within a single slot. The SAS connector supports dual-port operation for path redundancy and direct attachment to compatible controllers or backplanes.

256MB cache and steady thermals

A 256MB cache absorbs burst write traffic while the helium fill reduces internal drag, helping the drive run cooler under continuous load. Typical enterprise deployments see stable temperatures and predictable power draw without the acoustic spikes of air-filled high-RPM drives.

How it compares

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

Price $389.99
Pricier than about 89% of the 4,938 comparable items (median $107.99).
Total capacity 10 TB
Higher than about 85% of the 2,372 comparable items (median 2 TB).
Price per TB $39.00 per TB
Cheaper than about 71% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameWD
Product lineUltrastar DC HC330
Model name0B42258
Total capacity10 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Storage
Flash memory typeHard Drive
Cache memory256 MB
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height26.1 mm
Shipping weight0.68 kg
Package size178 × 127 × 51 mm

Questions about this item

What is the maximum throughput of the SAS 12Gb/s interface on this drive?

The SAS 12Gb/s interface supports up to 12 Gb/s per lane, though sustained transfer rates are limited by the 7200 RPM mechanical design and 256MB cache.

Will the 26.10mm height fit a standard 3.5" drive bay or hot-swap tray?

Yes, the 26.10mm z-height matches the standard 3.5" form factor used in enterprise chassis and hot-swap carriers.

Do I need to configure the 512E sector format during OS installation?

The drive presents 512-byte logical sectors (512E) by default, so most operating systems detect it without manual sector-size configuration.

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