Seagate
Seagate ST9750423AS 750GB 5400 RPM 16MB Cache SATA 2.5" laptop hard drive
2.5-inch laptop hard drive with 750 GB capacity, 5400 RPM speed and 16 MB cache over SATA 3.0 Gb/s
- PackagingRetail
- InterfaceSATA 3.0Gb/s
- Capacity750GB
- Cache16MB
- RPM5400 RPM
- Form Factor2.5"
- 750 GB capacity stores large media libraries
- 5400 RPM spindle balances speed and quiet operation
- 16 MB cache accelerates frequent file access
- SATA 3.0 Gb/s interface fits standard laptop bays
- 5 inch form factor matches notebook drive slots
Seagate Momentus 750GB laptop drive
The Seagate Momentus ST9750423AS is a 750GB 2.5 inch internal hard drive built for laptop upgrades and replacements. It spins at 5400 RPM with a 16MB cache and connects through a SATA 3.0Gb/s interface. This new drive suits users who need extra storage capacity in a standard notebook form factor.
Check SATA 3.0Gb/s compatibility and 2.5 inch bay
Verify that your laptop accepts a 2.5 inch SATA drive and that its controller supports the 3.0Gb/s link speed. The drive requires a standard SATA data and power connection inside the notebook chassis. Confirm the physical bay height matches your system before ordering.
Steady 5400 RPM throughput for sustained loads
At 5400 RPM the drive delivers consistent transfer rates during long copy sessions or background archiving rather than peaking in short bursts. The 16MB buffer helps smooth sequential workloads such as video recording or large file moves. Performance remains stable across extended use without thermal throttling.
Highlights
- 750 GB capacity stores large media libraries
- 5400 RPM spindle balances speed and quiet operation
- 16 MB cache accelerates frequent file access
- SATA 3.0 Gb/s interface fits standard laptop bays
- 5 inch form factor matches notebook drive slots
Specifications
| Brand | Seagate |
|---|---|
| Series | Momentus |
| Model | ST9750423AS |
| Packaging | Retail |
| Interface | SATA 3.0Gb/s |
| Capacity | 750GB |
| Cache | 16MB |
| RPM | 5400 RPM |
| Form Factor | 2.5" |
| Shipping weight | 0.11 kg |
| Package size | 102 × 70 × 13 mm |
Questions about this item
Does the drive ship with mounting screws, cables or a caddy, or must I source them separately?
The retail pack contains only the 2.5 inch drive itself; mounting hardware and SATA data or power cables come from the laptop chassis.
I see only the 750GB capacity listed; are there other capacities or cache sizes for this exact model?
ST9750423AS is a single SKU fixed at 750GB with 16MB cache and 5400 RPM; no alternate capacities or cache options exist for this part number.
What does the 5400 RPM rating mean for everyday laptop use?
The 5400 RPM spindle provides standard notebook performance for OS boot, application launch and media storage in a 2.5 inch SATA form factor.
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