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Silver 2.5 inch SATA hard drive bare mechanism

Western Digital

Western Digital WD5000LPSX 500GB 7200RPM 128MB 2.5" SATA internal hard drive

SKU CH-Q348-2VXSB

2.5-inch SATA internal hard drive with 500GB capacity, 7200RPM speed and 128MB cache

  • 500 GB capacity stores large game libraries and media collections
  • 7200 RPM spindle speed reduces load times for applications and files
  • 128 MB cache buffers bursts of read and write traffic
  • SATA 6 Gb/s interface connects to any standard laptop or desktop bay
  • 5 inch form factor fits slim enclosures and upgrade slots

500 GB 2.5-inch SATA drive for laptops

This 500 GB Western Digital drive spins at 7200 RPM and includes a 128 MB buffer. It fits 2.5-inch bays and connects through a SATA 6 Gb/s interface. The bare-drive format suits notebook upgrades or external enclosures. Buyers wanting more capacity should choose a larger model.

SATA 6 Gb/s interface limits

The drive uses the SATA 6 Gb/s standard, which caps sequential throughput below speeds possible with newer bus types. Mechanical rotation at 7200 RPM adds latency that solid-state storage avoids. Systems limited to SATA 3 Gb/s will run the drive at the lower link rate. Workloads needing sustained high bandwidth will see a bottleneck.

Check bay height and cabling before ordering

Verify the laptop or enclosure accepts a standard-height 2.5-inch drive; some ultra-thin designs require a slimmer form factor. Confirm the host has a free SATA data connector and matching power lead. The bare drive ships without screws, brackets or adapters. Builders needing a 3.5-inch desktop tray must supply their own bracket.

Highlights

  • 500 GB capacity stores large game libraries and media collections
  • 7200 RPM spindle speed reduces load times for applications and files
  • 128 MB cache buffers bursts of read and write traffic
  • SATA 6 Gb/s interface connects to any standard laptop or desktop bay
  • 5 inch form factor fits slim enclosures and upgrade slots

Specifications

No published specifications for this item yet.

Questions about this item

Should I choose the 500GB WD5000LPSX or a larger capacity Black drive?

The 500GB model gives you 500GB of storage with a 128MB buffer and 7200RPM speed. Larger Black drives share the same spindle speed and cache size, so the choice depends on how much space you need.

What does the 7200RPM figure mean for everyday performance?

A 7200RPM spindle completes each rotation faster than slower drives, reducing average latency and helping the drive serve sequential and random requests more quickly in a real system.

How does the SATA 6Gb/s interface limit actual transfer speeds?

The SATA 6Gb/s link caps the theoretical maximum at 6Gb/s, so sustained reads and writes cannot exceed that ceiling regardless of the 128MB buffer or 7200RPM spindle.

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