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Rectangular silver 2.5 inch bare hard drive with circuit board visible

Toshiba Refurbished

Toshiba MK3261GSYN 320GB 7200 RPM 16MB SATA 2.5" laptop hard drive

SKU CH-4S5E-R630E MPN MK3261GSYN

A 320 GB 7200 RPM 2.5" SATA laptop drive with 16 MB cache and 12 ms seek time

  • Total capacity320 GB
  • Interface typeSATA 3.0Gb/s
  • Form factor2.5 in (6.35 cm)
  • Packaging typeBare Drive
  • Cache memory16 MB
  • Average seek time12 ms
  • 7200 RPM spindle delivers faster data access
  • 320 GB capacity stores large file collections
  • 16 MB cache smooths burst read and write operations
  • SATA 3.0 Gb/s interface fits standard laptop drive bays
  • 5 mm height matches most 2.5" notebook slots

Refurbished 320 GB laptop drive

This Toshiba MK3261GSYN is a 2.5 inch internal hard drive with a 320 GB capacity. It spins at 7200 RPM and includes a 16 MB cache on a SATA 3.0Gb/s interface. The drive is supplied as a bare unit in refurbished condition.

Suits older SATA notebooks.

It fits laptops that accept a 9.5 mm high 2.5 inch SATA drive and works as a direct replacement for a failed original disk. Buyers who want more storage space or the lower latency of solid-state storage should look at something else.

7200 RPM spindle speed

The 7200 RPM rotation rate is the single specification that determines whether this drive meets the performance requirement for a given system. It delivers higher sequential throughput than slower-spindle alternatives in the same form factor.

How it compares

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

Price $82.99
Pricier than about 58% of the 645 comparable items (median $66.99).
Total capacity 320 GB
Typical for this category: the median of 419 items is 320 GB.
Price per TB $259.34 per TB
Typical for this category: the median of 416 items is $233.48 per TB.

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Specifications

Product
Brand nameTOSHIBA
Model nameMK3261GSYN
Total capacity320 GB
Performance
Average seek time12 ms
Mean latency4.16 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)
Max height9.5 mm
Maximum width69.75 mm
Maximum length100.3 mm
Shipping weight0.11 kg
Package size107 × 74 × 13 mm

Questions about this item

How do I install the MK3261GSYN into a 2.5" SATA bay, and which step often goes wrong?

Slide the 9.5mm-high drive into the bay, align the SATA data and power connectors, then secure it with the four side screws. The step people miss is forgetting to screw the drive down, which lets vibration shorten its life.

What maintenance or replacement will this 7200 RPM drive need later?

Mechanical drives do not need scheduled maintenance, but the bearings and motor wear over time. Plan to replace the unit once SMART reallocated-sector counts rise or seek noise becomes noticeable.

What limit appears first during sustained writes on the SATA 3.0Gb/s interface?

The SATA 3.0Gb/s link caps sustained transfer speed, so the interface saturates before the 16MB cache or 7200 RPM platters reach their own limits.

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