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Gold 3.5 inch SATA hard drive with exposed circuit board

Western Digital

Western Digital WD3000HLHX 300GB 10000RPM 3.5" SATA HDD accessory

SKU CH-43AA-0K91Y MPN WD3000HLHX

A 300 GB, 10 000 RPM SATA hard drive with 32 MB cache in a 3.5-inch form factor

  • 10,000 RPM rotation speed accelerates data access
  • 300 GB capacity stores operating system and applications
  • 32 MB cache buffers frequent read and write operations
  • SATA 6 Gbps interface connects to standard desktop ports
  • 5 inch form factor fits conventional drive bays

300 GB 10 000 RPM SATA HDD

The Western Digital WD3000HLHX is a 300 GB hard drive spinning at 10 000 RPM with a 32 MB cache. It uses a SATA interface in a 3.5 inch form factor. The unit is suited for desktop systems that need fast mechanical storage.

SATA interface throughput ceiling

The SATA link tops out at 6 Gbps, which caps sustained transfer rates well below modern solid-state drives. Random access latency remains limited by mechanical rotation and head movement. Workloads requiring very high IOPS or low latency will not benefit from this interface.

300 GB capacity constraint

Only 300 GB of space is available, which fills quickly with modern operating systems, games or media libraries. Buyers who need more storage must add additional drives or choose a higher-capacity model.

How it compares

Measured against everything we stock in Cable Locks & Laptop Extras, at today’s prices. Recalculated every night.

Price $66.99
Pricier than about 86% of the 8,808 comparable items (median $16.99).

Specifications

No published specifications for this item yet.

Questions about this item

Should I choose the 300GB 10000 RPM model or a larger capacity drive?

The 300GB capacity paired with 10000 RPM and 32 MB cache suits operating system and application installs where quick access matters more than bulk storage.

How does the 10000 RPM spindle speed affect daily use?

A 10000 RPM spindle cuts average rotational latency compared to slower drives, so the operating system and frequently used programs load faster.

What does the SATA 6Gbps interface limit in practice?

The SATA 6Gbps link caps the maximum burst transfer rate at 6 Gb/s, while sustained throughput stays within the drive's own mechanical limits.

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