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Silver 2.5 inch SATA hard drive with circuit board visible

Seagate

Seagate ST9120822AS 120GB 2.5-inch 5400RPM SATA internal hard drive

SKU CH-D83E-7DPQ1

A 120 GB 2.5-inch SATA drive spinning at 5400 RPM for compact desktop storage

  • Flash memory typeSLC
  • 120 GB capacity for essential data storage
  • 5-inch form factor fits slim drive bays
  • 5400 RPM spindle speed balances performance and power draw
  • SATA interface ensures broad system compatibility

Seagate 120 GB 2.5-inch SATA drive

This Seagate ST9120822AS is a 120 GB internal hard drive with a 2.5-inch form factor and 5400 RPM spindle speed. It connects via a standard SATA interface and uses SLC NAND flash memory. The drive suits users needing a compact SATA storage device for compatible laptops or small-form-factor desktops. It is supplied new in retail or OEM packaging.

Straightforward 2.5-inch SATA installation

Installation follows the usual 2.5-inch SATA procedure: secure the drive in a suitable bay or caddy and attach the data and power cables. No special drivers are required for the SATA connection. The main issue arises when a system only accepts M.2 or 3.5-inch drives, leaving no physical or electrical way to fit this 2.5-inch SATA unit.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $28.99
Cheaper than about 92% of the 4,938 comparable items (median $107.99).

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Specifications

Storage
Flash memory typeSLC

Questions about this item

How can I verify the ST9120822AS is spinning at 5400 RPM after installation?

Check the drive's reported speed in your BIOS or a SMART monitoring tool; it should list 5400 RPM for this model.

What comes with the ST9120822AS and what must I source separately?

The drive ships in retail or OEM packaging; you will need to provide your own SATA data and power cables and mounting screws.

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