# Seagate Exos X18 ST18000NM005J 18 TB Hard Drive - Internal - SAS (12Gb/s SAS) - 7200rpm - 5 Year Warranty

- Category: Storage
- Brand: Seagate
- Model: ST18000NM005J
- Part number: ST18000NM005J
- Price (US): $725.00
- Price last checked: 2026-08-05
- Warranty: 5 years
- Product page: https://buildmypc.net/component-details/storage/seagate-st18000nm005j/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Seagate |
| Model | ST18000NM005J |
| Maximum Capacity | 18 TB |
| Form Factor | 3.5" (HDD) |
| Cache Memory | 256 MB |
| Interface | SATA 12.0 Gb/s |

## Key Features

- Storage Capacity: 18 TB
- Disk Format: 512e
- Spindle Speed (rpm): 7200
- Buffer: 256 MB
- Wireless LAN: No

---

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