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Silver 3.5 inch helium hard drive bare unit

Seagate

Seagate ST8000NM0016 8TB 7200 RPM SATA 6.0Gb/s 256MB Cache 3.5" Internal Hard Drive

SKU CH-2343-M1MK1 MPN ST8000NM0016

Helium-sealed 3.5" enterprise hard drive delivers 8TB at 7200 RPM with a 256MB cache over SATA 6.0Gb/s

  • Total capacity8 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory256 MB

Capacity 8TB

  • 8 TB capacity stores massive datasets in a single 3.5" bay
  • Helium-sealed design with forged aluminium base prevents leaks for long-term reliability
  • 7200 RPM and 256 MB cache deliver fast data access for enterprise workloads
  • PowerBalance feature optimises IOPS per Watt to lower data centre operating costs
  • 5 M-hour MTBF rating backs continuous 24/7 operation in hyperscale environments

Enterprise Capacity Helium Drive

The Seagate ST8000NM0016 is an 8 TB 3.5-inch internal hard drive built for enterprise storage arrays and hyperscale data centres. It uses a helium-sealed design with a forged aluminium base to deliver high areal density in a standard form factor. The SATA 6.0 Gb/s interface ensures drop-in compatibility with existing nearline infrastructure.

8 TB Capacity and Workload Fit

Eight terabytes provide dense bulk storage for cold data archives, backup targets and sequential read-heavy workloads such as media repositories. The 7200 RPM spindle and 256 MB cache sustain high throughput for large transfers, while the 4.16 ms average latency reflects mechanical limits for random access. PowerBalance technology optimises IOPS per watt, but the drive is not suited for low-latency transactional databases or boot volumes.

Helium Sealing and Firmware Features

The hermetically sealed helium enclosure reduces drag and enables the 10 TB per drive density target cited for the product family. Advanced Write Caching adds a 20 percent boost to random write performance. PowerChoice and RAID Rebuild firmware let administrators tune power draw and rebuild priority. Seagate Secure provides hardware-based data-at-rest encryption. No mounting rails, cables or software utilities are included in the bare-drive packaging.

How it compares

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

Price $598.99
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 $74.87 per TB
Pricier than about 55% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Model nameST8000NM0016
Total capacity8 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
Shipping weight0.64 kg
Package size178 × 140 × 39 mm

Other versions of this model

1 more in the same range

Questions about this item

Will the ST8000NM0016 work in a desktop that only has SATA 3Gb/s ports?

Yes, the SATA 6.0Gb/s interface is backward compatible with 3Gb/s controllers, so the 8TB drive will operate at the slower link speed.

How can I confirm the helium-sealed drive is healthy after installation?

Check that the drive spins at 7200 RPM with no unusual noise, then run the manufacturer diagnostic to verify SMART attributes and the 256MB cache are reporting normally.

The listing says "Bare Drive" — what exactly ships and what must I provide?

Only the 3.5" drive itself is included; you must supply a SATA data cable, a SATA power connector, mounting screws, and a compatible drive bay or tray.

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