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Silver 2.5 inch SAS hard drive with tray

DELL

DELL ST91000640SS 1.2TB 2.5 7200RPM SAS internal hard drive

SKU CH-K3PY-J1X50 MPN ST91000640SS

1.2 TB SAS internal hard drive with 7200 RPM, 64 MB cache and hot-swap tray

  • 2 TB storage capacity for demanding workloads
  • 7200 RPM spindle speed delivers fast data access
  • SAS interface provides reliable enterprise connectivity
  • 64 MB cache boosts read and write performance
  • Hot-swap tray enables drive replacement without downtime

Capacity and interface

This 1.2 TB SAS 2 drive fits a 2.5 inch bay and spins at 7200 RPM. It is aimed at server or storage-array operators who need hot-swap capability and a 64 MB cache for mixed read and write workloads.

Sustained workload behaviour

The 7200 RPM spindle and SAS 2 link deliver steady throughput for sequential and random I/O during extended operations. Hot-swap support allows replacement without powering down the enclosure, reducing downtime in multi-drive deployments.

Pre-order checks

Verify that your controller or backplane supports SAS 2 and provides a 2.5 inch hot-swap tray. Confirm the system can address the full 1.2 TB capacity and that the SAS connector matches the drive's pin-out.

Highlights

  • 2 TB storage capacity for demanding workloads
  • 7200 RPM spindle speed delivers fast data access
  • SAS interface provides reliable enterprise connectivity
  • 64 MB cache boosts read and write performance
  • Hot-swap tray enables drive replacement without downtime

Specifications

No published specifications for this item yet.

Questions about this item

How much heat and noise does the 7200RPM SAS drive produce during continuous use?

The 7200RPM spindle and 64MB cache generate typical enterprise-level heat and acoustic output for a 2.5-inch SAS drive; ensure your chassis provides adequate airflow for sustained operation.

What controller or backplane is required to run this SAS 2 drive?

A SAS 2 (6Gbps) host bus adapter, RAID controller, or server backplane with a 2.5-inch SFF bay is needed; the included tray fits Dell PowerEdge sleds.

Will this 1.2TB SAS drive work in an older server that only supports SAS 1 (3Gbps)?

Yes, the SAS 2 interface negotiates down to 3Gbps on legacy controllers, delivering full 1.2TB capacity at the slower link speed.

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