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Seagate 2.5 inch SAS hard drive bare silver aluminium casing with label showing model ST1800MM0149 1.8 TB 10000 RPM 256 MB buffer

Seagate

Seagate ST1800MM0149 1.8 TB 2.5" SAS 12Gb/s 10000 RPM 256 MB internal hard drive

SKU CH-EVXC-B62FN

A 2.5" 1.8 TB SAS 12Gb/s internal drive spinning at 10000 RPM with a 256 MB buffer for fast server storage

  • PackagingBare Drive
  • InterfaceSAS 12Gb/s
  • Capacity1.8TB
  • RPM10000 RPM
  • Average Latency12Gb/s
  • Form Factor2.5"
  • 8 TB capacity stores large datasets
  • 10,000 RPM spindle speed accelerates data access
  • SAS 12Gb/s interface enables fast transfers
  • 256 MB buffer smooths burst workloads
  • 5 inch form factor fits dense server bays

Capacity and form factor

The Seagate ST1800MM0149 is a 1.8 TB 2.5" internal hard drive built for servers and storage arrays that need fast, reliable capacity in a compact bay. Its 10000 RPM spindle speed and 256 MB buffer serve workloads where consistent throughput matters more than raw bulk.

1.8 TB at 10000 RPM

The 1.80 TB capacity handles operating systems, databases and active project files with low average latency. The 10000 RPM rotation keeps random I/O responsive, but sequential transfers will saturate well before a modern SSD, so the drive runs out of steam on sustained high-queue workloads.

SAS 12Gb/s interface limits

The SAS 12Gb/s interface caps peak bandwidth at 12 Gb/s, so the drive cannot exceed that ceiling even during burst reads from the 256 MB cache. Controllers or backplanes limited to 6 Gb/s will halve the available headroom, and the physical 2.5" form factor prevents use in 3.5"-only bays without an adapter.

Pontos fortes

  • 8 TB capacity stores large datasets
  • 10,000 RPM spindle speed accelerates data access
  • SAS 12Gb/s interface enables fast transfers
  • 256 MB buffer smooths burst workloads
  • 5 inch form factor fits dense server bays

Especificações

BrandSeagate
ModelST1800MM0149
PackagingBare Drive
InterfaceSAS 12Gb/s
Capacity1.8TB
RPM10000 RPM
Average Latency12Gb/s
Form Factor2.5"

Perguntas sobre este artigo

Will the SAS 12Gb/s interface work with my older 6Gb/s SAS controller?

The drive uses a 12Gb/s SAS interface which is backwards compatible with 6Gb/s SAS controllers, though it will run at the lower 6Gb/s speed.

How can I verify the drive is performing at 10000 RPM after installation?

Check the spindle speed reported in your RAID controller BIOS or SMART monitoring tools; it should show 10000 RPM for this model.

Does the bare-drive packaging include mounting screws or a SAS cable?

The product is supplied as a bare drive only; mounting screws and a SAS data cable must be purchased separately.

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