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Silver 2.5-inch SAS hard drive with bare circuit board visible

Seagate

Seagate ST91000640SS 1TB 7200RPM 2.5" SAS internal hard drive

SKU CH-QBAR-WRCQX

Enterprise 2.5" SAS drive with 1000GB capacity, 7200RPM speed, 64MB cache and 1.4M-hour MTBF for 24×7 operation

  • Enterprise density up to 76TB per square foot
  • Nearline reliability with 1.4M hours MTBF
  • 24×7 environmental robustness for continuous operation
  • 50% better watts per TB reduces power costs
  • 18% sequential performance improvement over prior generation

Seagate Constellation.2 1TB SAS Lot

This product is a lot of ten new Seagate Constellation.2 ST91000640SS enterprise hard drives. Each drive offers 1000GB capacity, 7200RPM rotational speed and a 6Gb/s SAS interface with 64MB cache. The 2.5-inch form factor suits dense server and storage arrays.

Who this suits and who should look elsewhere

System integrators and data-centre operators needing multiple nearline drives for 24×7 workloads will match the 1.4M-hour MTBF and high areal density. Buyers who require only a single drive, a different interface, or a retail-packaged unit should look at other options.

Deciding specification

The SAS 6Gb/s interface is the single specification that determines compatibility; the host system must provide a matching SAS backplane or controller for these drives to function.

Põhijooned

  • Enterprise density up to 76TB per square foot
  • Nearline reliability with 1.4M hours MTBF
  • 24×7 environmental robustness for continuous operation
  • 50% better watts per TB reduces power costs
  • 18% sequential performance improvement over prior generation

Tehnilised andmed

Selle toote kohta ei ole veel tehnilisi andmeid avaldatud.

Küsimused selle toote kohta

What is the MTBF rating for the ST91000640SS under 24×7 operation?

The drive is rated at 1.4M hours MTBF for enterprise-class reliability in continuous 24×7 environments.

How much power does the Constellation.2 consume per terabyte compared to the previous generation?

It delivers over 50% improvement in watts per TB, lowering power costs for sustained all-day workloads.

Which controller interface is required to connect this 2.5" SAS drive?

A SAS 6Gb/s host bus adapter or RAID controller with a compatible 2.5" SAS backplane is needed.

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