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3.5 inch bare SATA hard drive silver metal top label visible

Western Digital

Western Digital WD2500AAKX 250GB 7200 RPM 16MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-S77S-EW5Z9 MPN WD2500AAKX

250 GB desktop hard drive spinning at 7200 RPM with a 16 MB cache and SATA 6.0 Gb/s interface

  • PackagingBare Drive
  • InterfaceSATA 6.0Gb/s
  • Capacity250GB
  • RPM7200 RPM
  • Cache16MB
  • FeaturesSolid performance - WD Caviar Blue drives are built to deliv

Options 250GB

  • 7200 RPM spindle speed for responsive everyday computing
  • 250 GB capacity stores documents and media files
  • 16 MB cache buffers bursts for smoother operation
  • SATA 6.0 Gb/s interface connects to modern motherboards
  • 5 inch form factor fits standard desktop drive bays

What this drive is for

The Western Digital Blue WD2500AAKX is a 250GB 3.5" desktop hard drive built for everyday computing. It spins at 7200 RPM with a 16MB cache and connects through a SATA 6.0Gb/s interface. The bare-drive packaging suits system builders and upgraders who need straightforward storage for operating systems, applications and documents.

Thermals noise and power

The drive is engineered to run ultra cool and quiet, which supports long-term reliability in typical desktop workloads. Standard 3.5" dimensions of 147.00mm length, 101.60mm width and 25.40mm height fit regular drive bays without special cooling requirements. SATA power and data cables provide the necessary connections for normal operation.

Build fit and freedoms

A standard 3.5" drive bay and an available SATA 6.0Gb/s port on the motherboard or controller are all that is required for installation. The 250GB capacity adds primary or secondary storage without occupying an M.2 slot or PCIe lane, leaving those interfaces free for faster devices. The drive arrives erased to DoD 5220.22 M compliance and tested good, ready for partitioning and formatting in the new system.

Pontos fortes

  • 7200 RPM spindle speed for responsive everyday computing
  • 250 GB capacity stores documents and media files
  • 16 MB cache buffers bursts for smoother operation
  • SATA 6.0 Gb/s interface connects to modern motherboards
  • 5 inch form factor fits standard desktop drive bays

Especificações

BrandWestern Digital
SeriesBlue
ModelWD2500AAKX
PackagingBare Drive
InterfaceSATA 6.0Gb/s
Capacity250GB
RPM7200 RPM
Cache16MB
FeaturesSolid performance - WD Caviar Blue drives are built to deliver rock-solid performance ideal for family and business computing.
Ultra cool and quiet - Keeping the drive cool enhances reliability. WD continues to develop new and innovative ways to keep drives cool while they are operating which helps protect the drive and the data stored on it.
NoTouch ramp load technology - The recording head never touches the disk media ensuring significantly less wear to the recording head and media as well as better drive protection in transit.
IntelliSeek - Calculates optimum seek speeds to lower
UsageFor Daily Computing
Form Factor3.5"
Height (maximum)25.40mm
Width (maximum)101.60mm
Length (maximum)147.00mm
Peso de envio0.57 kg
Dimensões da embalagem229 × 152 × 76 mm

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Perguntas sobre este artigo

How do I install this 3.5" SATA 6.0Gb/s drive and what step is often missed?

Mount the drive using 3.5" bay screws, connect the SATA data cable to a 6.0Gb/s port and attach a SATA power connector; the step often missed is enabling the SATA controller in BIOS so the 250GB volume appears.

What maintenance or replacement will this 7200 RPM drive need later?

No scheduled maintenance is required; monitor SMART attributes for reallocated sectors and replace the drive if the count rises above the 25 bad-sector threshold noted during testing.

What limit appears first under sustained write loads on this 16MB cache drive?

The 16MB cache fills quickly during sustained writes, so the 7200 RPM mechanical throughput becomes the bottleneck before the SATA 6.0Gb/s interface saturates.

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