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Seagate

Seagate Barracuda 7200.10 ST3320620AS 320GB 7200RPM SATA internal hard drive

SKU CH-BJY5-66Z77

320 GB 7200 RPM desktop hard drive with 16 MB cache and SATA 3 Gb/s interface

  • 320 GB capacity stores large file collections
  • 7200 RPM spindle speed speeds up data access
  • 16 MB cache buffers frequent read and write operations
  • SATA 3 Gb/s interface connects to desktop motherboards
  • 5 inch form factor fits standard drive bays

Product Identity

The Seagate Barracuda 7200.10 ST3320620AS is a 320GB desktop internal hard drive spinning at 7200RPM with a 16MB cache. It connects via a SATA 3Gb/s interface in a standard 3.5-inch form factor. The unit is supplied new as a bare drive without cables or mounting hardware. This drive suits basic storage expansion or replacement in compatible desktop systems.

Buyer Fit

This drive suits users needing affordable 320GB capacity for legacy desktops, secondary storage or non-critical backups. Buyers who want more storage capacity, faster transfer speeds than SATA 3Gb/s allows, solid-state reliability or a modern warranty period should look at something else. The bare-drive packaging also means builders needing included screws or cables must source them separately.

Deciding Specification

The SATA 3Gb/s interface is the single specification that decides whether this is the right part. Your motherboard or controller must provide a compatible SATA port operating at 3Gb/s to use this drive. Without that matching interface the drive cannot be installed or will fall back to slower speeds, making the interface the decisive compatibility checkpoint.

Highlights

  • 320 GB capacity stores large file collections
  • 7200 RPM spindle speed speeds up data access
  • 16 MB cache buffers frequent read and write operations
  • SATA 3 Gb/s interface connects to desktop motherboards
  • 5 inch form factor fits standard drive bays

Specifications

No published specifications for this item yet.

Questions about this item

Will the 3.5" SATA drive fit a standard desktop bay and connect to a SATA 3Gb/s port?

The 3.5 inch form factor matches a standard desktop drive bay and the SATA 3Gb/s interface plugs directly into any SATA motherboard port.

What is the correct way to install the bare ST3320620AS drive so the 16MB cache is recognised?

Mount the drive with four 6-32 screws, attach the SATA data and power cables, then initialise the 320GB volume in the operating system so the 16MB buffer becomes active.

When should the 7200RPM Barracuda 7200.10 be replaced to avoid data loss?

Replace the drive if SMART attributes show reallocated sectors, seek errors rise, or unusual mechanical noise appears during operation.

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