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Silver rectangular 2.5 inch bare SATA hard drive

Toshiba

Toshiba MK8046GSX 80GB 5400 RPM 8MB SATA 3.0Gb/s 2.5" laptop hard drive

SKU CH-PPAJ-ENEKB MPN MK8046GSX

80 GB laptop hard drive with 5400 RPM and 8 MB cache for basic storage upgrades

  • Total capacity80 GB
  • Interface typeSATA 3.0Gb/s
  • Form factor2.5 in (6.35 cm)
  • Packaging typeBare Drive
  • Cache memory8 MB
  • Average seek time12 ms
  • 80 GB capacity stores everyday files
  • 5400 RPM spindle delivers quiet operation
  • 8 MB cache speeds up frequent reads
  • SATA 3.0 Gb/s interface fits legacy laptops
  • 300 000 hour MTTF rating indicates long service life

Capacity and fit

The Toshiba MK8046GSX is an 80GB 2.5-inch laptop hard drive built for machines that need a direct SATA 3.0Gb/s replacement. Its 9.5mm height matches the standard drive bay in most notebooks and compatible enclosures. The bare-drive packaging means it arrives without cables or brackets, so the installer must reuse existing hardware. It suits legacy systems or light storage tasks where a mechanical drive is still specified.

Thermals noise and power

Spinning at 5400 RPM, the drive runs cooler and quieter than faster mechanical alternatives during typical read and write activity. The 8MB cache helps smooth small bursts without demanding extra power from the laptop bus. Average seek time is 12ms, reflecting the rotational speed and head-actuator design. The 300,000-hour MTTF rating indicates the expected reliability profile under normal operating temperatures.

Build integration

The SATA 3.0Gb/s interface plugs straight into any laptop or caddy that accepts a 2.5-inch 9.5mm SATA drive, freeing the builder from adapter boards or protocol converters. Physical dimensions of 100mm length and 69mm width fit the standard drive cage without modification. Because capacity is 80GB, the drive leaves no room for large media libraries or modern operating-system images, so it is not suited to users who need more storage.

How it compares

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

Price $40.99
Cheaper than about 79% of the 645 comparable items (median $66.99).
Total capacity 80 GB
Lower than about 90% of the 419 comparable items (median 320 GB).
Price per TB $512.38 per TB
Pricier than about 77% of the 416 comparable items (median $233.48 per TB).

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Specifications

Product
Brand nameTOSHIBA
Model nameMK8046GSX
Total capacity80 GB
Performance
Average seek time12 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 mm
Maximum length100 mm
Shipping weight0.45 kg
Package size152 × 102 × 51 mm
More details
Variant30 days warranty used

Questions about this item

How do I install the 2.5" 9.5mm SATA drive in my laptop, and what step is often missed?

Slide the drive into the 2.5" bay, align the SATA 3.0Gb/s connector, secure it with the caddy screws, then initialise the 80GB volume in Disk Management — the step most people skip.

What maintenance or replacement will the MK8046GSX need later?

No routine maintenance is required; the 300000-hour MTTF rating indicates when replacement becomes likely under normal use.

What limit appears first during sustained transfers on this 5400 RPM drive?

The 5400 RPM spindle speed caps sustained throughput well below the SATA 3.0Gb/s interface maximum.

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