# Seagate Momentus 250 GB 5400RPM SATA 3Gb/s 8 MB Cache 2.5-Inch Internal Notebook Hard Drive - Retail Kit

- Category: Storage
- Brand: Seagate
- Model: ST90250N1A1AS-RK
- Part number: ST90250N1A1AS-RK
- Price (US): currently unavailable
- Price last checked: 2026-08-06
- Rating: 4.3/5 from 95 Amazon reviews
- Warranty: 2 years
- Product page: https://buildmypc.net/component-details/storage/seagate-st90250n1a1as-rk/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Seagate |
| Model | ST90250N1A1AS-RK |
| Maximum Capacity | 250 GB |
| Form Factor | 2.5" (HDD) |
| Cache Memory | 8 MB |
| Interface | SATA 3 Gb/s |

## Key Features

- 250GB storage capacity
- Up to SATA III, 6Gb/s interface
- QuietStep technology enables ultra-quiet load/unload acoustics
- Best-Fit Applications; Mainstream laptops, External storage solutions/boxes
- Perpendicular recording technology increases performance and reliability
- Seagate Smart Align technology provides a transition to 4K sectors without the need for software utilities

---

Source: BuildMyPC (https://buildmypc.net/) — free PC parts compatibility checker. Prices update daily. As an Amazon Associate, BuildMyPC earns from qualifying purchases.