Toshiba
Toshiba MK3276GSX 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" laptop hard drive
A 2.5" SATA laptop drive with 320GB capacity, 5400 RPM speed and 8MB cache
- PackagingBare Drive
- InterfaceSATA 3.0Gb/s
- Capacity320GB
- Cache8MB
- Average Seek Time12ms
- RPM5400 RPM
- 320 GB capacity stores large media libraries and backups
- 5400 RPM spindle speed balances performance with quiet operation
- 8 MB cache accelerates frequent read and write requests
- SATA 3.0 Gb/s interface fits standard laptop drive bays
- 5 mm height matches most 2.5 inch notebook slots
Capacity and interface
The Toshiba MK3276GSX is a 320GB 2.5-inch internal hard drive with a SATA 3.0Gb/s interface. It spins at 5400 RPM and provides an 8MB cache for everyday notebook storage.
Suited for upgrades and replacements
This drive fits laptops that accept a 9.5mm-high SATA device and need a straightforward capacity increase. It is not intended for systems that require a faster spindle speed, a larger cache or a higher-throughput interface.
Sustained workload behaviour
Under continuous use the 5400 RPM spindle and 12ms average seek time deliver steady, predictable throughput for sequential reads and writes. The mechanical design maintains consistent performance without the thermal throttling seen in faster drives.
Highlights
- 320 GB capacity stores large media libraries and backups
- 5400 RPM spindle speed balances performance with quiet operation
- 8 MB cache accelerates frequent read and write requests
- SATA 3.0 Gb/s interface fits standard laptop drive bays
- 5 mm height matches most 2.5 inch notebook slots
Specifications
| Brand | TOSHIBA |
|---|---|
| Model | MK3276GSX |
| Packaging | Bare Drive |
| Interface | SATA 3.0Gb/s |
| Capacity | 320GB |
| Cache | 8MB |
| Average Seek Time | 12ms |
| RPM | 5400 RPM |
| Form Factor | 2.5" |
| Height (maximum) | 9.5mm |
| Width (maximum) | 69.75mm |
| Length (maximum) | 100.3mm |
| Shipping weight | 0.09 kg |
| Package size | 102 × 70 × 13 mm |
Questions about this item
Does my laptop need a 2.5 inch 9.5 mm drive bay for this MK3276GSX?
Yes, the drive is a 2.5 inch form factor with a maximum height of 9.5 mm, so the bay must accept those dimensions.
Will the SATA 3.0Gb/s interface work with my older SATA 1.5Gb/s controller?
The drive uses a SATA 3.0Gb/s interface which is backward compatible with SATA 1.5Gb/s controllers, though it will run at the lower speed.
How can I confirm the drive is recognised at its full 320GB capacity after installation?
Check the BIOS or operating system disk utility; it should report approximately 320GB and show the model MK3276GSX with a 5400 RPM speed.
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