Toshiba
Toshiba MK1252GSX 120GB 5400 RPM 8MB SATA 3.0Gb/s 2.5" laptop hard drive
Stores 120GB on a 2.5-inch 5400 RPM SATA drive with 8MB cache and 9.5mm height
- PackagingBare Drive
- InterfaceSATA 3.0Gb/s
- Capacity120GB
- Cache8MB
- Average Seek Time12ms
- RPM5400 RPM
- 120 GB capacity stores more files and applications
- 5400 RPM spindle speed balances performance and power draw
- 8 MB cache smooths data access for everyday tasks
- SATA 3.0 Gb/s interface fits standard laptop drive bays
- 5 mm height suits most 2.5" notebook chassis
Capacity and form factor
This Toshiba MK1252GSX is a 120GB 2.5-inch laptop internal hard drive spinning at 5400 RPM with 8MB cache. It suits users replacing a failed drive in an older notebook or adding affordable bulk storage to a compatible bay.
SATA 3.0Gb/s interface limit
The drive connects through a SATA 3.0Gb/s interface, which caps the maximum theoretical transfer rate at 300MB/s. Actual sustained throughput will be lower and is governed by the mechanical media transfer rate of 801MB/s quoted for the platters.
Height and connector check
Verify that your laptop accepts a 9.5mm high 2.5-inch SATA drive and that a free SATA data and power connector are available inside the chassis. Some ultra-thin models only fit 7mm drives and will not accommodate this unit.
Highlights
- 120 GB capacity stores more files and applications
- 5400 RPM spindle speed balances performance and power draw
- 8 MB cache smooths data access for everyday tasks
- SATA 3.0 Gb/s interface fits standard laptop drive bays
- 5 mm height suits most 2.5" notebook chassis
Specifications
| Brand | TOSHIBA |
|---|---|
| Model | MK1252GSX |
| Packaging | Bare Drive |
| Interface | SATA 3.0Gb/s |
| Capacity | 120GB |
| Cache | 8MB |
| Average Seek Time | 12ms |
| RPM | 5400 RPM |
| Features | 9.5mm High 801MB/sec Media Transfer Rate 300,000 MTTF Hours |
| Form Factor | 2.5" |
| Shipping weight | 0.45 kg |
| Package size | 152 × 102 × 51 mm |
Questions about this item
Should I choose this 120GB 5400 RPM model or a higher-capacity 2.5" SATA drive?
This 120GB model suits light OS and document workloads; if you store media or large applications, select a larger-capacity 2.5" SATA drive with the same 9.5mm height.
What does the 801MB/sec media transfer rate mean once the drive is installed in a laptop?
The 801MB/sec is the internal media rate; real-world throughput in a laptop will be limited by the SATA 3.0Gb/s link and system overhead, so expect lower sustained speeds.
How does the SATA 3.0Gb/s interface cap performance in practice?
The SATA 3.0Gb/s interface limits burst transfers to 3.0Gb/s, so even though the drive's media rate is 801MB/sec, the bus ceiling determines maximum sustained throughput.
New to this? Paying with USDT: TRC-20 or ERC-20 — what to check, what it costs to pay, and what is never asked for.
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.
