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Silver 3.5 inch internal hard drive with SAS connector visible

Seagate

Seagate ST2000NM0045 2TB 3.5" 7200RPM 128MB SAS 12.0Gb/s HDD accessory

SKU CH-BJZ3-QKTDZ MPN ST2000NM0045

2 TB internal hard drive with 7200 RPM, 128 MB cache and SAS 12.0 Gb/s interface for enterprise storage arrays

  • 2 TB capacity for large datasets
  • 7200 RPM spindle for fast sequential access
  • 128 MB cache buffers burst workloads
  • SAS 12.0 Gb/s interface for enterprise controllers
  • 5 inch form factor fits standard drive bays

Product identity and target user

The Seagate Exos 7E8 ST2000NM0045 is a 2TB 3.5-inch internal hard drive spinning at 7200RPM with a 128MB cache and a SAS 12.0Gb/s interface. It is built for servers and storage arrays that require enterprise-class reliability and the dual-port SAS protocol. The drive uses firmware BK82 and carries part number 1V4204-037.

Who this suits and who it does not

This drive fits administrators upgrading or expanding SAS-based RAID enclosures, JBOD shelves or backup appliances that accept 3.5-inch SAS disks. It is not for buyers whose systems only provide SATA ports, because the SAS connector is physically and electrically incompatible with standard desktop or laptop SATA controllers. It also does not suit users who need a 2.5-inch form factor for dense blade servers.

Deciding specification

The SAS 12.0Gb/s interface is the single specification that determines compatibility; the drive will only operate in a backplane or controller that supports 12.0Gb/s SAS signalling.

Highlights

  • 2 TB capacity for large datasets
  • 7200 RPM spindle for fast sequential access
  • 128 MB cache buffers burst workloads
  • SAS 12.0 Gb/s interface for enterprise controllers
  • 5 inch form factor fits standard drive bays

Specifications

No published specifications for this item yet.

Questions about this item

Does the ST2000NM0045 ship with any cables or mounting brackets?

The drive is sold as an OEM unit; no cables, brackets or manuals are included in the box.

Should I pick the 2TB Exos 7E8 or a higher-capacity SAS drive for my array?

Choose the 2TB model when you need a 7200RPM SAS 12.0Gb/s drive with 128MB cache that matches part number 1V4204-037.

What does the 12.0Gb/s SAS rating deliver in an actual server backplane?

It provides a 12.0Gb/s SAS interface with 7200RPM rotational speed and 128MB cache for sustained enterprise workloads.

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