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Small rectangular 2.5 inch silver hard drive with label showing IBM 81Y9875 1 TB 7200 rpm SAS

IBM

IBM 81Y9875 1 TB 2.5" 7200 rpm SAS hard drive

SKU CH-QKG9-77BXG

A 1 TB, 7200 rpm, 2.5-inch SAS hard drive for IBM DS3524 and EXP3524 storage enclosures

  • TypeHard Drive
  • 1 TB capacity stores large datasets
  • 7200 rpm spindle speed enables fast data access
  • 6Gb/s SAS interface provides reliable server connectivity
  • 5" form factor fits dense storage enclosures
  • Compatible with DS3524 and EXP3524 storage subsystems

Capacity and form factor

This 1 TB hard drive uses a 2.5 inch internal form factor and spins at 7200 rpm. It connects through a Near Line SAS interface operating at 6Gb/s SAS. The unit is .6 inches high and built for server storage subsystems.

Near Line SAS workload fit

The drive handles near-line duties such as bulk data retention, backup targets and sequential read workloads. Random I/O performance and sustained write throughput will run out under heavy transactional databases or high-concurrency virtualisation. Buyers who need lower latency or higher IOPS should look elsewhere.

DS3524 and EXP3524 compatibility

This part is qualified for the IBM DS3524 and EXP3524 storage enclosures. Installing it in other chassis or controllers is not validated by the manufacturer and may prevent the drive from functioning correctly.

Highlights

  • 1 TB capacity stores large datasets
  • 7200 rpm spindle speed enables fast data access
  • 6Gb/s SAS interface provides reliable server connectivity
  • 5" form factor fits dense storage enclosures
  • Compatible with DS3524 and EXP3524 storage subsystems

Specifications

BrandIBM
TypeHard Drive

Questions about this item

Will the 2.5" 6Gb/s SAS drive fit and run in an older DS3524 or EXP3524 enclosure that currently uses 3.5" SAS drives?

The drive is a 2.5" internal form factor with a 0.6" height and a 6Gb/s SAS interface. It will only install in a 2.5" drive bay; a 3.5" bay requires a carrier or adapter that is not included.

How can I verify the 1 TB 7200 rpm NL-SAS drive is recognised and healthy after installation?

The drive should appear in the RAID controller BIOS or OS disk utility at its full 1 TB capacity with a 6Gb/s SAS link speed. Run a SMART self-test and confirm zero reallocated sectors.

Does the 81Y9875 ship with a mounting tray or cables for the DS3524/EXP3524, or must they be ordered separately?

The product is the bare 2.5" hard drive only. A compatible 2.5" hot-swap tray and any required SAS cables are not included and must be sourced separately.

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