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Silver 3.5 inch bare SATA hard drive with circuit board visible

Seagate

Seagate BarraCuda 7200.9 ST3250824AS 250GB 7200 RPM 8MB SATA 3.0Gb/s 3.5" internal hard drive

SKU CH-2NJD-CV8GC MPN ST3250824AS

A 250 GB 3.5-inch SATA desktop drive spinning at 7200 RPM with 8 MB cache and native command queuing

  • Total capacity250 GB
  • Interface typeSATA 3.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory8 MB
  • 250 GB capacity stores your operating system and files
  • 7200 RPM spindle speed delivers fast data access
  • 8 MB cache buffers bursts for smoother throughput
  • SATA 3.0 Gb/s interface connects to standard desktop motherboards
  • Native command queuing optimises request order for better efficiency

Desktop storage for everyday workloads

The Seagate BarraCuda 7200.9 ST3250824AS is a 250GB 3.5-inch internal hard drive built for desktop PCs that need reliable capacity at 7200 RPM. It connects through a SATA 3.0Gb/s interface and includes an 8MB cache with native command queuing for smoother multitasking. This bare drive suits system builders and upgraders who want straightforward mechanical storage. It is not for users who require solid-state speeds or capacities above 250GB.

Thermals noise and power in typical use

The drive spins at 7200 RPM with average seek of 8ms, write of 9ms and latency of 4.16ms, figures that reflect standard desktop mechanical operation. Seagate highlights whisper-quiet acoustics and a rugged, efficient design that keeps heat and noise low during normal workloads. Best-in-class shock resistance protects data whether the system is running or powered off. No power-draw numbers are provided so exact thermal output cannot be stated.

What the bare-drive package changes

Supplied as a bare drive without cables, mounting hardware or software, the ST3250824AS requires the installer to provide SATA data and power leads plus any bracket needed for the chassis. The absence of bundled utilities means drive management relies on the operating system or third-party tools. RoHS compliance confirms restricted-substance adherence but adds no functional feature for the end user.

How it compares

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

Price $58.99
Cheaper than about 71% of the 4,938 comparable items (median $107.99).
Total capacity 250 GB
Lower than about 90% of the 2,372 comparable items (median 2 TB).
Price per TB $235.96 per TB
Pricier than about 81% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineBarraCuda 7200.9
Model nameST3250824AS
Total capacity250 GB
Performance
Rotational speed7,200 RPM
Average seek time8 ms
Mean write time9 ms
Mean latency4.16 ms
Storage
Cache memory8 MB
Ports & slots
Interface typeSATA 3.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight0.67 kg
Package size203 × 152 × 51 mm

Questions about this item

How do I install this 3.5" SATA 3.0Gb/s drive and what step is often missed?

Mount the drive in a 3.5" bay, connect the SATA data cable to a motherboard port and the SATA power cable from the PSU; the step often missed is enabling the SATA port in BIOS so the 250GB drive appears at boot.

What maintenance or replacement will this ST3250824AS need later?

No scheduled maintenance is required; the 8MB cache and NCQ operate without user service. Plan replacement when SMART attributes report reallocated sectors or the 7200 RPM mechanism develops audible bearing noise.

What limit shows up first under sustained use on this BarraCuda 7200.9?

The SATA 3.0Gb/s interface caps maximum burst throughput, so sustained sequential transfers hit the interface ceiling before the 7200 RPM platters reach their mechanical limit.

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