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Silver 2.5-inch SATA hard drive with label showing 500GB 7200 RPM

Lenovo

Lenovo ThinkPad 43N3423 500GB 7200 RPM 16MB SATA 3.0Gb/s 2.5" laptop hard drive

SKU CH-9D4S-5MPEX MPN 43N3423

A 2.5-inch laptop hard drive with 500 GB capacity, 7200 RPM speed and 16 MB cache over a SATA 3.0 Gb/s interface

  • Total capacity500 GB
  • Interface typeSATA 3.0Gb/s
  • Form factor2.5 in (6.35 cm)
  • Packaging typeRetail
  • Cache memory16 MB
  • Average seek time12 ms
  • 7200 RPM spindle delivers fast data access
  • 16 MB cache boosts burst transfer performance
  • SATA 3.0 Gb/s interface ensures broad laptop compatibility
  • 5 inch 9.5 mm form factor fits standard drive bays
  • 500 GB capacity stores large files and applications

Lenovo ThinkPad 500GB 7200 RPM SATA Drive

This 2.5-inch internal hard drive delivers 500GB of storage for ThinkPad laptops. It spins at 7200 RPM with a 16MB cache and a SATA 3.0Gb/s interface. The 9.5-mm height fits standard drive bays in compatible notebooks. Buyers who need more capacity should consider a different drive.

SATA 3.0Gb/s Interface Practical Limits

The SATA 3.0Gb/s link caps sequential throughput at 3.0 gigabits per second. Mechanical latency averages 4.2ms with a 12ms seek time. The 512-byte sector format and no-ID recording keep overhead low. Systems limited to slower SATA revisions will bottleneck this drive.

Verify 2.5-Inch Bay And SATA Connector

Confirm your laptop accepts a 2.5-inch, 9.5-mm high drive before ordering. Ensure the motherboard provides a SATA data and power connector for 3.0Gb/s operation. The drive uses a rotary voice coil actuator and load/unload head technology. Older chassis with only PATA or mSATA slots cannot use this unit.

How it compares

Measured against everything we stock in 2.5-Inch Internal Laptop HDDs, at today’s prices. Recalculated every night.

Price $72.99
Typical for this category: the median of 645 items is $66.99.
Total capacity 500 GB
Higher than about 60% of the 419 comparable items (median 320 GB).
Price per TB $145.98 per TB
Cheaper than about 69% of the 416 comparable items (median $233.48 per TB).

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Specifications

Product
Brand nameLenovo
Product lineThinkPad
Model name43N3423
Total capacity500 GB
Performance
Average seek time12 ms
Mean latency4.2 ms
Rotational speed7,200 RPM
Storage
Cache memory16 MB
Ports & slots
Interface typeSATA 3.0Gb/s
Size & build
Form factor2.5 in (6.35 cm)
Shipping weight0.91 kg
Package size229 × 152 × 102 mm

Questions about this item

Is the 500GB capacity sufficient for a primary laptop drive?

The 500GB capacity provides ample space for the operating system, applications, and a large collection of documents or media files on a single 2.5-inch drive.

How does the 7200 RPM speed affect real-world performance?

The 7200 RPM spindle speed combined with 12ms average seek time and 4.2ms latency delivers quicker boot times and faster application launches than slower-spinning drives.

What does the SATA 3.0Gb/s interface limit in practice?

The SATA 3.0Gb/s interface caps the maximum theoretical transfer rate at 3.0Gb/s, so sustained read and write speeds cannot exceed that bandwidth ceiling.

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