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Silver 3.5 inch hard drive with SAS interface and 12TB capacity

Seagate

Seagate Exos X16 12TB 7200 RPM SAS 3.5" ST12000NM002G internal hard drive

SKU CH-P35F-13TP1

High-capacity 3.5-inch SAS drive delivers 12TB at 7200 RPM with 256MB cache

  • Total capacity12 TB
  • Interface typeSAS 6Gb/s
  • Form factor3.5 in (8.89 cm)
  • Flash memory typeHard Drive
  • Rotational speed7,200 RPM
  • 12 TB capacity stores massive datasets
  • 7200 RPM spindle delivers responsive throughput
  • SAS interface connects to enterprise controllers
  • 256 MB cache accelerates frequent reads
  • 5 inch form factor fits standard bays

Capacity & Interface

The Seagate Exos X16 is a 12TB 3.5-inch internal hard drive that spins at 7200 RPM and connects through a SAS 6Gb/s interface. It carries a 256MB cache and uses 512e/4kn sector formatting for broad compatibility with enterprise storage controllers. The drive is supplied new in retail or OEM packaging.

Fit for Purpose

This drive suits administrators who need high-capacity, 7200 RPM storage for servers or arrays that accept SAS 6Gb/s devices. It is not for systems that lack a SAS host bus adapter or backplane, nor for workloads that demand the access speeds of solid-state media.

Deciding Specification

The SAS 6Gb/s interface is the single specification that determines whether this drive can be installed; the system must provide a compatible SAS port and controller support for 12TB 512e/4kn volumes.

How it compares

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

Price $292.99
Pricier than about 82% 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 $24.42 per TB
Cheaper than about 90% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Part numberST12000NM002G
Total capacity12 TB
Performance
Rotational speed7,200 RPM
Storage
Flash memory typeHard Drive
Ports & slots
Interface typeSAS 6Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

How loud is the 12TB Exos X16 at 7200 RPM during constant use?

The 7200 RPM spindle runs within Seagate's enterprise acoustic spec, so the drive stays at a low, steady hum inside a typical server chassis.

Does the ST12000NM002G need a SAS 12Gb/s controller or will a 6Gb/s HBA work?

The drive interfaces at SAS 6Gb/s and is backward-compatible with 12Gb/s controllers, so any standard SAS HBA or RAID card will recognise it.

Can the 3.5-inch 12TB Exos X16 share a backplane with older 3Gb/s SAS drives?

Yes, the SAS interface negotiates down to 3Gb/s, letting the 12TB drive operate alongside legacy drives on the same backplane.

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