Seagate Exos X18 12TB 3.5" 7200 RPM SATA (ST12000NM000J)
MPN ST12000NM000J
2 versions · sold under other part numbers, each with its own page. What differs is shown.
- Capacity
- 12TB
- Speed
- 7,200 RPM
- Cache
- 256 MB
- Interface
- SATA
- Form factor
- 3.5"
- Recording
- —
Best price now
$562.10
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Specifications
Drive
- Capacity
- 12TB
- Form factor
- 3.5"
- Interface
- SATA
- Speed
- 7,200 RPM
- Cache
- 256 MB
- Helium
- Yes
Use & reliability
- Made for
- Enterprise
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Full spec sheet from Newegg
- Model/Brand
- Seagate
- Model/Model
- ST12000NM000J
- Model/Series
- Exos X18
- Features/Usage
- For Enterprise Storage
- Performance/RPM
- 7200 RPM
- Features/Features
- Market-leading 18TB HDD offering the highest capacity available for more petabytes per rack* Highly reliable performance with enhanced caching, making it the logical choice for cloud data centre and massive scale-out data centre applications Hyperscale SATA model tuned for large data transfers and low latency PowerBalance feature optimises Watts/TB Maximise total cost of ownership savings through lower power and weight with helium sealed-drive design Proven helium side-sealing weld technology for added handling robustness and leak protection Digital environmental sensors to monitor internal drive conditions for optimal operation and performance Data protection and security - Seagate Secure features for safe, affordable, fast and easy drive retirement * Compared to 14TB competitive product.
- Performance/Cache
- 256MB
- Performance/Capacity
- 12TB
- Performance/Interface
- SATA 6.0Gb/s
- Dimensions/Form Factor
- 3.5"
- Dimensions/Width (maximum)
- 101.85mm
- Dimensions/Height (maximum)
- 26.10mm
- Dimensions/Length (maximum)
- 147.00mm
- Performance/Average Latency
- 4.16ms
- Performance/NAND Flash Memory Type
- Hard Drive
- Additional Information/First Listed on Newegg
- July 19, 2026
More Exos X18
All Exos X18The same series in other capacities: the lowest price in stock for each.
Exos X18
Seagate Exos X18 14TB 3.5" 7200 RPM SATA (ST14000NM001J)
2 versions 14TB · 7,200 RPM · 256 MB · SATA
AMZ $685 · NE $690
Exos X18
Seagate Exos X18 7.2k 16TB 3.5" 7200 RPM SAS
16TB · 7,200 RPM · 256 MB · SAS
CC $530 · NE $555
Exos X18
Seagate Exos X18 18TB 3.5" 7200 RPM SATA (ST18000NM000J)
2 versions 18TB · 7,200 RPM · 256 MB · SATA
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