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Silver 2.5 inch bare SATA hard drive with circuit board visible

Toshiba

Toshiba MK2035GSS 200GB 4200 RPM 8MB SATA 1.5Gb/s 2.5" laptop hard drive

SKU CH-ED7F-K0FR7 MPN MK2035GSS

A 2.5-inch SATA laptop drive storing 200 GB at 4,200 RPM with an 8 MB cache and 12 ms average seek time

  • Total capacity200 GB
  • Interface typeSATA 1.5Gb/s
  • Form factor2.5 in (6.35 cm)
  • Packaging typeBare Drive
  • Cache memory8 MB
  • Average seek time12 ms
  • 200 GB capacity stores large media libraries
  • 4200 RPM spindle reduces vibration and power draw
  • 8 MB cache accelerates frequent data access
  • SATA 1.5 Gb/s interface enables straightforward notebook installation
  • Perpendicular Magnetic Recording with TMR heads delivers 178.8 Gb/in² areal density

200 GB SATA laptop drive

The Toshiba MK2035GSS is a 200 GB, 2.5-inch hard drive built for notebooks that need basic storage capacity. It uses second-generation Perpendicular Magnetic Recording combined with Tunnel Magneto-resistive head technology. The SATA 1.5 Gb/s interface and 8 MB cache provide straightforward data transfer for everyday computing tasks.

4200 RPM thermals and power

Spinning at 4200 RPM, the drive runs with less vibration and lower power consumption than faster-spinning alternatives. Average seek time is 12 ms and average latency is 5.55 ms. The 300000-hour MTTF rating reflects the design focus on reliability for mobile use.

Fits 9.5 mm bays

The 2.5-inch form factor measures 9.5 mm in height, matching the standard drive bay in most laptops of its era. A bare SATA 1.5 Gb/s connection is all that is required; no additional cables or adapters are needed. This leaves other expansion slots free for memory or wireless upgrades.

How it compares

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

Price $67.99
Typical for this category: the median of 645 items is $66.99.
Total capacity 200 GB
Lower than about 67% of the 419 comparable items (median 320 GB).
Price per TB $339.95 per TB
Pricier than about 65% of the 416 comparable items (median $233.48 per TB).

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Specifications

Product
Brand nameTOSHIBA
Model nameMK2035GSS
Total capacity200 GB
Performance
Average seek time12 ms
Mean latency5.55 ms
Rotational speed4,200 RPM
Storage
Cache memory8 MB
Ports & slots
Interface typeSATA 1.5Gb/s
Size & build
Form factor2.5 in (6.35 cm)
Shipping weight0.09 kg
Package size102 × 70 × 25 mm

Questions about this item

How is the 2.5" SATA drive installed in a laptop, and which step is often missed?

Slide the drive into the 2.5" bay, connect the SATA 1.5Gb/s data and power cables, then secure it with the caddy screws; the step often missed is fastening the caddy so the drive cannot shift.

What maintenance or replacement will the 4200 RPM drive need later?

The 300000 MTTF hours rating indicates long life, but mechanical wear will eventually require a full drive replacement; no user-serviceable parts exist inside.

What limit appears first on the 200GB drive during sustained use?

The 1.5Gb/s SATA interface caps sustained throughput at 150MB/s, so the bus saturates before the 8MB cache or 12ms seek time become bottlenecks.

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