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Silver 3.5 inch hard drive with model label 0F38461

Western Digital

Western Digital 0F38461 DC HC550 16 TB 3.5" SATA 7200 RPM 512 MB internal hard drive

SKU CH-N8KK-742SP MPN 0F38461

Stores 16 TB of data on a 3.5" SATA drive spinning at 7200 RPM with a 512 MB cache

  • 16 TB capacity for massive data storage
  • 7200 RPM spindle speed for quick access
  • 512 MB cache buffer for smooth transfers
  • SATA interface for broad system compatibility
  • 5 inch form factor fits standard drive bays

High-capacity SATA storage for data centres

The Western Digital DC HC550 provides 16 TB of capacity in a 3.5 inch form factor. It connects through a SATA interface and spins at 7200 RPM. A 512 MB cache helps absorb write bursts. The drive is built for environments that need large sequential throughput rather than low latency.

Sustained workload behaviour

The 7200 RPM spindle speed supports steady sequential read and write rates across the full 16 TB. The large cache smooths mixed random and streaming traffic during long backup or archive jobs. Performance remains consistent because the drive is designed for continuous operation rather than short benchmark runs.

Thermals, noise and power in normal use

The 3.5 inch helium platform keeps operating temperatures lower than conventional air-filled drives of the same capacity. Acoustic output stays at typical enterprise levels for rack-mounted arrays. Power draw scales with the 7200 RPM spindle and the 512 MB cache during active periods.

How it compares

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

Price $542.99
Pricier than about 90% of the 4,938 comparable items (median $107.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How much heat and noise does the 7200 RPM mechanism produce during continuous use?

The 7200 RPM spindle generates typical enterprise-class heat and acoustic output for a 3.5" drive; ensure your chassis has adequate airflow over the 512 MB cache and spindle area.

Which cables and host connectors are required to install this 16 TB SATA drive?

A standard SATA data cable and a SATA power connector from your power supply are the only connections needed for the 3.5" form factor.

Will this 512e drive work in a system that only recognises 512-byte native sectors?

The 512e emulation layer presents 512-byte logical sectors to the host, so legacy BIOS, older RAID controllers and operating systems see it as a native 512-byte device.

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