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Silver 2.5 inch hard drive mounted in black plastic server caddy with pull tab

IBM

IBM ST91000640NS 1TB 7200RPM 2.5" SATA internal hard drive

SKU CH-82AV-PGADM

A 1 TB, 7200 RPM 2.5″ SATA internal hard drive with an IBM System X caddy for hot-swap server bays

  • 1 TB capacity for ample data storage
  • 7200 RPM spindle speed for responsive performance
  • SATA 6 Gb/s interface for fast transfer rates
  • 5 inch form factor with hot-swap support
  • Includes IBM System X caddy for server installation

1 TB 7.2K RPM SATA drive for System x servers

This IBM ST91000640NS is a new 1000GB 2.5" internal hard drive spinning at 7200RPM with a 6Gb/s SATA interface. It ships with an IBM System x hot-swap caddy for direct installation in compatible bays. The 1.0 pound unit carries a one-year manufacturer warranty.

Suits admins expanding hot-swap arrays.

The included tray fits IBM System x servers that accept 2.5" hot-swap SATA drives. Builders working in laptops, workstations or enclosures without hot-swap backplanes cannot use the supplied caddy and should look at standard bare drives instead. The 7200RPM speed targets capacity and throughput over low noise.

Deciding spec: 6Gb/s SATA interface

The single specification that determines fit is the 6Gb/s SATA interface combined with the bundled IBM System x hot-swap tray. Verify that your server bay accepts this exact tray format before purchase; a different caddy or a bare drive will not match the mechanical keying.

Highlights

  • 1 TB capacity for ample data storage
  • 7200 RPM spindle speed for responsive performance
  • SATA 6 Gb/s interface for fast transfer rates
  • 5 inch form factor with hot-swap support
  • Includes IBM System X caddy for server installation

Specifications

No published specifications for this item yet.

Questions about this item

Which part number — 81Y9731, 81Y9848 or 81Y9851 — matches the drive I need?

All three part numbers refer to the same ST91000640NS drive; they are IBM ordering codes for the identical 1000GB 7200RPM unit.

What does the 7200RPM rating deliver in a live server?

The spindle spins at 7200 revolutions per minute, giving lower latency and higher sustained throughput than slower laptop drives.

How does the SATA 6Gb/s interface limit real-world speed?

The link tops out at 6 gigabits per second, so sequential reads and writes cannot exceed that ceiling regardless of the drive's internal rate.

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