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Refurbished 3.5 inch bare SAS hard drive, silver metal casing

Seagate

Seagate BarraCuda ES.2 ST31000640SS 1TB 7200 RPM 16MB SAS 3Gb/s 3.5" internal hard drive

SKU CH-FJA2-SG17S MPN ST31000640SS

A refurbished 1TB 3.5-inch enterprise hard drive with 7200 RPM, 16MB cache and SAS 3Gb/s interface for 24x7 operation

  • PackagingBare Drive
  • InterfaceSAS 3Gb/s
  • Capacity1TB
  • RPM7200 RPM
  • Cache16MB
  • Average Seek Time8.5ms
  • Enterprise-class reliability built for 24x7 operation
  • 1TB capacity delivers 33 percent more storage than previous ES drive
  • SAS 3Gb/s interface provides 135 percent average performance boost over SATA
  • PowerTrim technology improves GB per watt by 55 percent and cuts power use by 20 percent
  • 7200 RPM with 16MB cache achieves 8.5ms average seek time

Enterprise storage drive

The Seagate BarraCuda ES.2 ST31000640SS is a 1TB 3.5-inch internal hard drive built for enterprise storage. It spins at 7200 RPM with a 16MB cache and connects through a SAS 3Gb/s interface. The drive is rated for 24x7 operation in high spindle-density environments.

SAS host and multi-drive firmware

Installation requires a SAS host bus adapter or controller; the drive will not work on a SATA-only port. Its SAS interface provides improved data integrity and reduces integration complexity in multi-drive arrays. Multi-drive firmware maximises system availability while rotational vibration tolerance maintains consistent performance across densely packed bays.

Suited for tier 2 enterprise arrays

This drive suits administrators expanding or repairing SAS-based tier 2 storage, backup targets or reference data archives where 24x7 reliability matters. Buyers who need a SATA connection, larger capacity per spindle, or a consumer desktop drive should look elsewhere.

商品特色

  • Enterprise-class reliability built for 24x7 operation
  • 1TB capacity delivers 33 percent more storage than previous ES drive
  • SAS 3Gb/s interface provides 135 percent average performance boost over SATA
  • PowerTrim technology improves GB per watt by 55 percent and cuts power use by 20 percent
  • 7200 RPM with 16MB cache achieves 8.5ms average seek time

商品規格

BrandSeagate
SeriesBarraCuda ES.2
ModelST31000640SS
PackagingBare Drive
InterfaceSAS 3Gb/s
Capacity1TB
RPM7200 RPM
Cache16MB
Average Seek Time8.5ms
Average Write Time9.5ms
Average Latency4.16ms
Features1TB drive delivers 33 percent more capacity than the Barracuda ES drive.
The industry's highest-reliability 7200-RPM drive, designed for 24x7 operation.
Best-in-class rotational vibration tolerance ensures unrivalled performance in high spindle-density applications, and multi-drive firmware maximizes system availability.
Seagate PowerTrim technology dynamically optimizes power consumption by improving GB/watt by 55 percent and by reducing overall drive power consumption by 20 percent over prior-generation Barracuda ES drives.
Choose SAS for the seamless Tier 2 enterprise experience,
UsageFor Enterprise Storage
Form Factor3.5"
Height (maximum)26.11mm
Width (maximum)101.60mm
Length (maximum)146.99mm
出貨重量0.73 kg
包裝尺寸170 × 132 × 36 mm

商品問答

How does the 7200 RPM spindle speed affect sustained write performance?

The 7200 RPM speed combined with 16MB cache yields a 9.5ms average write time, limiting sustained throughput to the SAS 3Gb/s interface ceiling under continuous load.

What are the heat and power characteristics during 24x7 operation?

PowerTrim technology cuts overall drive power by 20 percent and improves GB per watt by 55 percent versus the prior Barracuda ES, reducing heat output in always-on arrays.

Which host interface must my system provide for this drive to work?

A SAS 3Gb/s backplane or HBA is required; the drive uses a SAS connector and will not operate on a SATA-only controller.

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