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Silver 3.5-inch bare enterprise hard drive with exposed circuit board

Seagate

Seagate ST6000NM0105 6TB 7200 RPM SAS 12Gb/s 256MB 3.5" internal hard drive

SKU CH-7T9Y-WZ8M9 MPN ST6000NM0105

A 6 TB enterprise hard drive with 7200 RPM, 256 MB cache and 12 Gb/s SAS interface for 24×7 bulk-data workloads

  • Total capacity6 TB
  • Interface type4Kn SAS
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory256 MB

Capacity 6TB

  • 6TB capacity stores vast unstructured datasets
  • 7200 RPM spindle delivers fast sequential throughput
  • 12Gb/s SAS interface enables high-speed host connectivity
  • 256MB cache buffers bursts for smoother I/O
  • Engineered for 24x7 operation at 550TB per year

Enterprise 6 TB SAS drive for bulk storage

The Seagate ST6000NM0105 is a 6 TB 3.5-inch internal hard drive built for enterprise capacity tiers. It spins at 7 200 RPM with a 256 MB cache and uses conventional magnetic recording technology. The drive connects through a 12 Gb/s SAS interface that also supports SATA 6 Gb/s operation. It is engineered for continuous 24x7 workloads in replicated and RAID multi-drive storage servers.

Check SAS controller and 4Kn sector support

Before ordering, verify that your host bus adapter or RAID controller presents a 12 Gb/s SAS port and can address 4Kn logical sectors. The drive requires a SAS backplane or cabling that carries the dual-port SAS protocol; a SATA-only backplane will not negotiate the link. Confirm the server chassis accepts a 26.10 mm high 3.5-inch form factor and that firmware supports the advanced write caching algorithms.

Thermals and power in 24x7 operation

The drive is rated for a 550 TB per year workload, ten times typical desktop ratings, and uses dual processors with a top-cover-attached motor to maintain consistent throughput in dense arrays. A humidity sensor and ramp-load technology protect the heads during vibration and temperature shifts. Average latency is 4.16 ms. Power draw varies with seek activity but remains within standard enterprise 3.5-inch limits for the given form factor.

How it compares

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

Price $212.99
Pricier than about 71% of the 4,938 comparable items (median $107.99).
Total capacity 6 TB
Higher than about 75% of the 2,372 comparable items (median 2 TB).
Price per TB $35.50 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 nameST6000NM0105
Total capacity6 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Mean latency4.16 ms
Storage
Cache memory256 MB
Ports & slots
Interface type4Kn SAS
Size & build
Form factor3.5 in (8.89 cm)
Max height26.1 mm
Maximum width101.85 mm
Maximum length147 mm
Shipping weight0.71 kg
Package size155 × 124 × 3 mm

Other versions of this model

2 more in the same range

Questions about this item

Does the bare-drive package include mounting rails or a SAS cable, or must I buy those separately?

The drive ships as a bare 3.5-inch unit only; rails, cables and any carrier trays are not included and must be sourced separately.

Should I choose the 4Kn SAS model or a 512e version for a RAID array that expects 4Kn sectors?

Select this 4Kn SAS variant when the controller and RAID firmware require native 4Kn sector addressing; a 512e model would present emulated 512-byte sectors instead.

What does the 12 Gb/s SAS interface deliver in a live server backplane?

The 12 Gb/s SAS link provides full-duplex bandwidth to the backplane, supporting the 7200 RPM mechanism and 256 MB cache for sustained enterprise workloads.

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