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Silver 3.5 inch bare SATA hard drive with exposed circuit board

Seagate

Seagate ST250DM000 250GB 16MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-J2HA-435PA MPN ST250DM000

A 250 GB, 3.5 inch SATA desktop hard drive with 16 MB cache for storage expansion

  • Total capacity250 GB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Cache memory16 MB
  • Mean latency6Gb/s

Capacity 250GB

  • 250 GB capacity stores large media libraries
  • 16 MB cache accelerates frequent file access
  • SATA 6.0 Gb/s interface enables fast data transfer
  • 5 inch form factor fits standard desktop bays
  • Seagate AcuTrac servo technology improves tracking precision

Desktop storage for everyday workloads

This Seagate Desktop HDD provides 250GB of capacity on a SATA 6.0Gb/s interface with a 16MB cache. It fits standard 3.5-inch drive bays in desktop PCs, all-in-one systems or entry-level direct-attached storage. The bare-drive packaging suits system builders and upgraders who do not need retail accessories. It is not suited for users who need higher capacities or faster solid-state performance.

Thermals noise and power in typical desktop use

The drive operates within the standard thermal envelope for 3.5-inch desktop hard drives during normal read and write activity. Acoustic output is consistent with conventional rotating media in a desktop chassis. Power draw follows typical SATA hard drive profiles for this capacity class. No specialised cooling beyond normal case airflow is required.

Manufacturer highlights and bare-drive implications

Seagate cites over 30 years of trusted performance and AcuTrac servo technology for higher track-following accuracy. The bare-drive package omits cables, mounting screws and retail software, so installers must supply their own SATA data and power connections. No bundled management or backup applications are included.

How it compares

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

Price $42.99
Cheaper than about 84% 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 $171.96 per TB
Pricier than about 75% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineDesktop HDD
Model nameST250DM000
Total capacity250 GB
Recommended useFor Enterprise Storage
Performance
Mean latency6Gb/s
Storage
Cache memory16 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height19.99 mm
Maximum width101.6 mm
Maximum length146.99 mm
Shipping weight0.40 kg
Package size146 × 102 × 20 mm

Other versions of this model

5 more in the same range

Questions about this item

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

Mount the drive in a 3.5" bay using four screws, connect the SATA data cable to a 6.0Gb/s port and the SATA power connector from the PSU; the step often missed is securing both cables firmly so they do not work loose during vibration.

What maintenance or replacement will this 250GB drive need later?

No routine maintenance is required; monitor SMART attributes for reallocated sectors and replace the drive if the count rises or if the 16MB cache cannot mask increasing read latency.

What limit appears first during sustained transfers on this SATA 6.0Gb/s drive?

The mechanical platter speed and 16MB cache set the practical ceiling; sustained throughput will plateau well below the 6.0Gb/s interface rate once the cache fills.

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