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Silver 3.5 inch SAS hard drive bare unit

Seagate

Seagate ST6000NM0054 6TB 7200 RPM SAS 12Gb/s 128MB 3.5" internal hard drive

SKU CH-R4CR-R9HST MPN ST6000NM0054

A 6 TB 3.5" SAS 12Gb/s enterprise drive spinning at 7200 RPM with 128 MB cache, rated for 550 TB per year of 24×7 workloads

  • Total capacity6 TB
  • Interface typeSAS 12Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory128 MB
  • 6TB capacity stores vast unstructured datasets
  • SAS 12Gb/s interface enables rapid data throughput
  • 7200 RPM spindle delivers fast random access
  • 128MB cache buffers bursts for smooth performance
  • Engineered for 24×7 workloads of 550TB/yr

Enterprise-capacity 6TB SAS drive

The Seagate ST6000NM0054 is a 3.5-inch internal hard drive built for enterprise storage arrays. It delivers 6TB of capacity on a SAS 12Gb/s interface with a 128MB cache and 7200 RPM spindle speed. The drive is engineered for continuous 24×7 operation with a 550TB per year workload rating.

Suited for RAID and bulk data workloads

This drive targets administrators who need high-capacity density and proven reliability in multi-drive RAID environments. Firmware is optimised for enterprise system availability under heavy random and sequential loads. Buyers who need a different interface or a drive rated for lighter duty cycles should consider other options.

SAS 12Gb/s interface decides compatibility

The single specification that determines fit is the SAS 12Gb/s interface; the host system must provide a matching SAS backplane or controller. Without that connection the drive cannot be used, regardless of its capacity or performance figures.

How it compares

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

Price $483.99
Pricier than about 90% 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 $80.67 per TB
Pricier than about 58% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Model nameST6000NM0054
Total capacity6 TB
Performance
Rotational speed7,200 RPM
Mean latency4.16 ms
Storage
Cache memory128 MB
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight1.36 kg
Package size178 × 127 × 51 mm

Questions about this item

How fast can the SAS 12Gb/s interface move data in real use?

The drive spins at 7200 RPM with 128MB cache and 4.16ms average latency, so sustained throughput is limited by the mechanical platters rather than the 12Gb/s link

What physical space and mounting does the 3.5" form factor require?

It fits a standard 3.5" drive bay using the industry screw pattern and needs both a SAS data cable and a compatible power connector

What is the correct firmware step when adding this drive to an enterprise RAID array?

Apply the multi-drive firmware optimised for RAID availability before placing the unit into the array; skipping this step risks inconsistent behaviour across the set

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