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Silver 3.5 inch enterprise hard drive with aluminium top cover and label showing 10TB capacity

Seagate

Seagate ST10000NM0186 10TB 7200 RPM SATA 6.0Gb/s 256MB Cache 3.5" Internal Hard Drive

SKU CH-HF3P-E08EH

10 TB helium-sealed enterprise drive with 7200 RPM, 256 MB cache and SATA 6.0 Gb/s interface for high-capacity rack storage

  • Total capacity10 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Cache memory256 MB
  • Mean latency4.16 ms
  • 10TB capacity adds 25% more petabytes per rack
  • Helium-sealed aluminium enclosure prevents leaks for enterprise reliability
  • 5M-hour MTBF rating backs continuous data-centre workloads
  • PowerBalance technology optimises IOPS per watt for lower TCO
  • Advanced write caching delivers 20% random write performance boost

Enterprise 10TB helium drive

The Seagate ST10000NM0186 is a 3.5-inch internal hard drive built for enterprise storage arrays. It delivers 10TB capacity at 7200 RPM with a 256MB cache and a SATA 6.0Gb/s interface. The helium-sealed design reduces power draw and weight for dense rack deployments. It targets data centres needing maximum capacity per drive bay.

Standard SATA installation

Installation follows normal 3.5-inch SATA drive procedures using standard power and data cables. The forged aluminium base and hermetic helium seal require no special mounting hardware beyond typical drive trays. Issues arise when controllers or backplanes do not support 4Kn sector formatting or lack sufficient cooling for sustained enterprise workloads. Firmware mismatches on older RAID cards can also prevent the drive from being recognised.

Verify controller and airflow

Confirm the host controller or RAID card explicitly supports 4Kn sector drives and SATA 6.0Gb/s speeds. Check that the chassis provides adequate airflow for 7200 RPM helium drives in high-density configurations. Ensure the operating system and file system are compatible with 4Kn logical sectors. Validate power budget for multiple drives in the same enclosure.

How it compares

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

Price $349.99
Pricier than about 86% 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 $35.00 per TB
Cheaper than about 76% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Model nameST10000NM0186
Total capacity10 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Mean latency4.16 ms
Storage
Cache memory256 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height26.11 mm
Maximum width101.85 mm
Maximum length147 mm

Questions about this item

How do I verify the drive is operating correctly after installation?

Check that the BIOS or operating system detects the full 10TB capacity, the SATA 6.0Gb/s link speed, and the 7200 RPM spindle speed; run a SMART self-test and confirm the average latency reads near 4.16ms.

What is included in the box and what must I supply?

The box contains the 3.5-inch helium-sealed hard drive with forged aluminium base; you must provide a SATA data cable, a SATA power connector, and a 3.5-inch drive bay or mounting bracket.

Which capacity version should I choose for maximum rack density?

The 10TB model delivers 25% more petabytes per rack than the 8TB version, making it the highest-capacity choice for hyperscale and cloud data-centre deployments.

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