# SEAGATE Momentus 7200.4 320GB 7200 RPM 16MB cache SATA 3.0Gb/s 2.5 internal notebook hard drive

- Category: Storage
- Brand: Seagate
- Model: Momentus 7200.4
- Part number: ST9320423AS
- Price (US): currently unavailable
- Price last checked: 2026-08-06
- Rating: 5.0/5 from 7 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/storage/seagate-momentus-7200-4-st9320423as/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Seagate |
| Model | Momentus 7200.4 |
| Maximum Capacity | 320 GB |
| Form Factor | 2.5" (HDD) |
| Cache Memory | 16 MB |
| Interface | SATA III Gb/s |

## Key Features

- ST9320423AS
- SEAGATE

---

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