Seagate 18TB Exos X18 HDD 512E/4KN SATA (ST18000NM000J)

Seagate manufactures hard drives specifically engineered for hyperscale cloud scalability. As the flagship of the Seagate X-class, the Exos X18 Enterprise hard drive has the largest capacity in the entire fleet.

- Industry-leading 18 TB HDD, the highest capacity available, for more petabytes per rack

- Highly Reliable Performance with Enhanced Caching. Ideal for cloud data centers and highly scalable data center applications

- Hyperscale SATA models are optimized for large data transfers and low latency

- PowerBalance function optimizes watts/TB

- Maximize total cost of ownership (TCO) savings with reduced energy consumption, weight and helium-sealed disc design

- Proven helium welding side seal technology for puncture protection and extra robustness in use

- Digital environmental sensors to monitor internal drive conditions for optimal operation and performance

- Data Protection and Security: Seagate Secure features to safely, affordably, quickly and easily retire drives

- Enterprise-class proven reliability with a 5-year limited warranty and an MTBF rating of 2.5 million hours

Features
Model ST18000NM000J
HDD size 3.5 inch
HDD capacity 18000 GB
HDD speed 7200 RPM
Interface SATA 6 Gb/s
Type HDD
Component for Disk array
Hot-swap Yes
Storage drive buffer size 256 MB
HDD interface transfer rate 6 Gbit/s
HDD sustained transfer rate 258 MiB/s
HDD average transfer rate 270 MB/s
Average latency 4.16 ms
Rotational Vibration (RV) sensors Yes
Mean time between failures (MTBF) 2500000 h

Power
Power consumption (read) 9.4 W
Power consumption (write) 6.4 W
Power consumption (idle) 5.3 W
Operating voltage 5/12 V

Operational conditions
Operating temperature (T-T) 5 - 60C
Non-operating vibration 2.27 G
Operating shock 50 G
Non-operating shock 200 G

Weight & dimensions
Width 101.8 mm
Height 26.1 mm
Depth 147 mm
Weight 670 g