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Silver 2.5 inch bare SATA hard drive rectangular metal casing

Toshiba

Toshiba MK6476GSX 640GB 5400 RPM laptop hard drive

SKU CH-CKS7-PX6QH MPN MK6476GSX

A 2.5-inch SATA laptop drive with 640GB capacity, 5400 RPM speed and 8MB cache

  • Total capacity640 GB
  • Interface typeSATA 3.0Gb/s
  • Form factor2.5 in (6.35 cm)
  • Packaging typeBare Drive
  • Cache memory8 MB
  • Average seek time12 ms
  • 640 GB capacity stores large media libraries
  • 5400 RPM spindle speed balances speed and quiet operation
  • 8 MB cache accelerates frequent file access
  • SATA 3.0 Gb/s interface fits most laptops and consoles
  • 5 mm slim profile slides into standard 2.5 inch bays

640 GB laptop hard drive

This 2.5-inch SATA drive adds 640 GB of storage to a notebook or compatible gaming console. It spins at 5400 RPM with an 8 MB cache and a 12 ms average seek time. The 9.5 mm height fits standard drive bays.

SATA 3.0 Gb/s interface and bare drive

The SATA 3.0 Gb/s connection works with any laptop or console that accepts a 2.5-inch SATA drive. No caddy or adapter is included, so the builder must supply mounting hardware. Low power consumption from Adaptive Power Mode reduces the load on the system's power budget.

5400 RPM acoustics and power draw

At 5400 RPM the drive runs quietly and draws little power in normal use. Average latency is 5.55 ms, and the low-power mode further cuts energy draw during idle periods. The bare 100 mm by 69.85 mm form factor keeps weight and heat output low.

How it compares

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

Price $64.99
Typical for this category: the median of 645 items is $66.99.
Total capacity 640 GB
Higher than about 76% of the 419 comparable items (median 320 GB).
Price per TB $101.55 per TB
Cheaper than about 81% of the 416 comparable items (median $233.48 per TB).

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Specifications

Product
Brand nameTOSHIBA
Model nameMK6476GSX
Total capacity640 GB
Recommended useLaptop, Gaming Console
Performance
Average seek time12 ms
Mean latency5.55 ms
Rotational speed5,400 RPM
Storage
Cache memory8 MB
Ports & slots
Interface typeSATA 3.0Gb/s
Size & build
Form factor2.5 in (6.35 cm)
Max height9.5 mm
Maximum width69.85 mm
Maximum length100 mm
Shipping weight0.18 kg
Package size188 × 170 × 76 mm

Questions about this item

What sustained transfer rate does the 5400 RPM spindle impose?

The spindle turns at 5400 RPM with a 12 ms average seek and 5.55 ms average latency, so sustained throughput is limited by those mechanical figures.

How much heat and noise does the drive produce during all-day operation?

Adaptive Power Mode keeps power draw low, which reduces heat and acoustic output during continuous use in a laptop or console.

Which SATA host and physical bay does this 2.5-inch drive require?

It needs a SATA 3.0Gb/s connector and a 9.5 mm high 2.5-inch bay measuring up to 69.85 mm wide by 100 mm long.

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