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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

  • PackagingBare Drive
  • InterfaceSATA 6.0Gb/s
  • Capacity250GB
  • Cache16MB
  • Average Latency6Gb/s
  • FeaturesThe Power of One: Seagate brings over 30 years of trusted pe

Options 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.

Highlights

  • 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

Specifications

BrandSeagate
SeriesDesktop HDD
ModelST250DM000
PackagingBare Drive
InterfaceSATA 6.0Gb/s
Capacity250GB
Cache16MB
Average Latency6Gb/s
FeaturesThe Power of One:
Seagate brings over 30 years of trusted performance and reliability to the Seagate Desktop HDDs
Increase your capacity and drive down costs with up to 1.33TB-per-disk hard drive technology
SATA 6Gb/s interface optimizes burst performance
Seagate AcuTrac servo technology delivers dependable performance
Free DiscWizard software enables high capacities on legacy PC BIOS systems
Seagate Secure models provide hardware-based data security and deliver an Instant Secure Erase feature for safe, fast and easy drive retirement*
Seagate Secure models meet the NIST 800-88 media
UsageFor Enterprise Storage
Form Factor3.5"
Height (maximum)19.99mm
Width (maximum)101.60mm
Length (maximum)146.99mm
Shipping weight0.40 kg
Package size146 × 102 × 20 mm

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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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