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Silver 3.5 inch hard drive with green circuit board visible

Western Digital

Western Digital Ultrastar DC HA340 12TB 3.5" SATA 7200rpm 512e 0B47063

SKU CH-0783-7NWC6 MPN 0B47063

12 TB 3.5″ SATA 6.0 Gb/s hard drive with 7200 RPM and CMR for servers and storage systems

  • Total capacity12 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • 12 TB capacity for large-scale storage workloads
  • 7200 RPM spindle speed enables fast sequential throughput
  • CMR technology provides consistent write performance
  • 512e sector format ensures broad system compatibility
  • SATA 6.0 Gb/s interface simplifies enterprise integration

Ultrastar DC HA340 12TB enterprise drive

The Western Digital Ultrastar DC HA340 is a 12TB 3.5 inch internal hard drive built for servers and storage systems. It uses a SATA 6.0Gb/s interface and conventional magnetic recording technology. The drive spins at 7200 RPM and presents a 512e format to the host. It is supplied new in retail or OEM packaging.

Sustained 7200 RPM workloads on SATA

Under continuous operation the 7200 RPM spindle delivers consistent throughput for sequential workloads such as bulk data ingest, backup targets and video surveillance recording. Conventional magnetic recording avoids the latency spikes associated with shingled writing during long write passes. The SATA 6.0Gb/s link sustains the data rate without the protocol overhead of faster interfaces.

Verify 3.5 inch bay and SATA cabling

Before ordering confirm that your chassis has a free 3.5 inch drive bay with adequate cooling airflow for a 7200 RPM unit. Ensure the motherboard or controller provides a SATA 6.0Gb/s port and that both data and power cables reach the mounting location. The 512e logical sector size requires an operating system or RAID controller that supports 4K native emulation.

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 12 TB
Higher than about 90% of the 2,372 comparable items (median 2 TB).
Price per TB $32.50 per TB
Cheaper than about 79% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameWestern Digital
Model name0B47063
Part number0B47063
Total capacity12 TB
Performance
Rotational speed7,200 RPM
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight0.75 kg
Package size147 × 102 × 26 mm

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