# Seagate Exos X18 18TB Enterprise HDD - CMR 3.5 Inch Hyperscale SATA 6Gb/s, 7200 RPM, 512e and 4Kn FastFormat, Low Latency with Enhanced Caching 

- Category: Storage
- Brand: Seagate
- Model: Exos X18
- Part number: ST18000NM000J
- Price (US): currently unavailable
- Price last checked: 2026-08-06
- Rating: 4.5/5 from 19 Amazon reviews
- Warranty: 5 years
- Product page: https://buildmypc.net/component-details/storage/seagate-exos-x18-st18000nm000j/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Seagate |
| Model | Exos X18 |
| Maximum Capacity | 18 TB |
| Form Factor | 3.5" (HDD) |
| Cache Memory | N/A |
| Interface | SATA 6 Gb/s |

## Key Features

- SCALABLE: Run big data applications to meet hyperscale demands
- EFFICIENT: Get consistent performance with low latency and repeatable response times with enhanced caching
- HIGH CAPACITY: Support data analytics capabilities and other dense architectures for highest rack-space efficiency
- COST EFFECTIVE: Optimize TCO with the lowest cost per terabyte
- RELIABLE: Enjoy extended reliability with 2.5M-hour MTBF and 5-year limited warranty

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