Seagate Exos X18 12TB 3.5" SATA 6GB/s HDD/Hard Drive

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Scalable. Responsive. Innovative.

The Seagate® Exos® X18 enterprise drive is designed for maximum storage capacity and the highest rack-space efficiency. Protected with Seagate Secure™ technology and delivering up to 18 TB capacity, Exos X18 is tuned for large data transfers and low latency. Count on Exos X18 to realise the greatest efficiencies and highest storage densities in the datasphere.

Best-Fit Applications

• Enterprise hyperscale applications and cloud data centres
• Massive scale-out data centres
• Big data applications
• High-capacity density RAID storage


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: Optimise TCO with the lowest cost per terabyte.
Reliable: Enjoy extended reliability with 2.5 M-hour MTBF and 5-year limited warranty.


Capacity 12000 GB
Edition Exos X18
Form Factor 3.5"
Flash Memory Size N/A
Flash Memory Type N/A
Height 26.11 mm
Rotation Speed 7200 rpm
Sector Size 512E
Cache 256MB
Access Time 4.16 ms
Host to/from Drive Sustained Transfer Rate  
Interface SATA 3.0 (6Gb/s)
Load/Unload Cycles  
Annualised Workload Rating  
Non-Recoverable Read Errors per Bits Read <1 in 10^15
Max. Operating Shock 50 G
Max.Power Usage 4.4 W
Dimensions 101.85 x 26.11 x 147 (WxHxD mm)
Package Type OEM