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Silver 3.5 inch SATA hard drive with circuit board visible

Seagate

Seagate ST3250824NS 250GB 7200RPM 3.5" SATA internal hard drive

SKU CH-W30C-DXYB5

250 GB desktop hard drive spins at 7200 RPM with an 8 MB cache on a SATA 3 Gb/s interface

  • 250 GB capacity stores desktop files and applications
  • 7200 RPM spindle speed delivers responsive data access
  • SATA 3 Gb/s interface connects to standard motherboards
  • 8 MB cache buffers frequent read and write operations
  • 5 inch form factor fits typical desktop drive bays

250 GB desktop hard drive

This 3.5-inch SATA drive provides 250 GB of storage for desktop computers and entry-level servers. It spins at 7200 RPM with an 8 MB cache to serve everyday workloads. The drive is supplied in new condition.

Sustained throughput on 3 Gb/s SATA

Sequential transfers are limited by the 3 Gb/s SATA interface rather than the 7200 RPM spindle speed. The 8 MB buffer helps smooth burst requests but does not raise the sustained ceiling. Performance remains steady during long reads or writes within that bandwidth.

Practical limits of the SATA 3 Gb/s interface

The interface caps maximum throughput well below modern 6 Gb/s or 12 Gb/s links. Systems that require higher sustained bandwidth will not benefit from faster drives on this port. Compatibility is broad but speed is bounded by the 3 Gb/s standard.

How it compares

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

Price $37.99
Cheaper than about 88% of the 4,938 comparable items (median $107.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How much power does the ST3250824NS draw when running 24/7?

Seagate does not publish a continuous power figure for the ST3250824NS; the 7200 RPM motor and 8 MB cache typically settle in the low single-digit watt range under sustained load.

What must my system provide to run this 3.5" SATA drive?

A standard 3.5-inch drive bay, a SATA 3 Gb/s data cable and a SATA power connector from the power supply.

Will the ST3250824NS work on a motherboard that only has SATA 1.5 Gb/s ports?

Yes — the drive's SATA 3 Gb/s interface is backward compatible with 1.5 Gb/s controllers, operating at the slower speed.

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