16.0TB Seagate Exos X18 Enterprise
Hard Disk Drive
Mfr P/N: ST16000NM000J OWC SKU: SEAST16000NM00J
Scalable. Responsive. Innovative.
- Stores up to 12.8PB in a 42U rack with helium technology
- Leading sustained data rate 270MB/s
- Random write of 550 IOP/s
- Reduced complexity with FastFormat™
- Reduced TCO with low weight of 670g and 0.31 W/TB
- 550TB/yr—10× the workload rating of desktop drives
- Seagate 5 Year Limited Warranty
Scales to Meet Your Growing Capacity Needs
Seagate Exos X18 enterprise hard drives offer the highest rack space efficiency—up to 12PB of data in a single 42U rack. Enhanced caching makes it perfect for Big Data applications, providing the fastest hard drive data transfers in the datasphere. Hyperscale SATA models are tuned for large data transfers, providing low latency. You can easily customize your bulk storage requirements with innovative technology advancements (PowerBalance™and PowerChoice™). Exos X18 drives help provide low data center TCO, and are architected to offer low power and weight. Simplified infrastructure management is possible with FastFormat™ advanced format feature (4Kn and 512e).
Innovative Helium Design
The Exos X18 hard drive is built on a rock-solid sealed-drive design. A wrought-aluminum base and a helium sealed-drive design with no porosity and uniform density are designed with superior material and wide-weld design for a more robust, hermetically sealed-drive enclosure. Exos X18 hard drives incorporate digital environmental sensors for measuring pressure in the drive, helping to ensure high reliability, performance and quality.
Enhanced Enterprise Reliability, Data Protection and Security
Seagate is the industry leader in data-at-rest protection with the broadest offering of technologies to help ensure reliable, trusted products. The X class Exos X18 hard drive is a proven, enterprise-class hard drive with maximum reliability backed by a 2.5 million hour MTBF.
Includes
- (1) Seagate Exos X18 Enterprise Hard Disk Drive
- Seagate 5 Year Limited Warranty
Specs
Total Capacity
- 16.0TB
Formatted Capacity
- 14901GiB
Rotational Speed
- 7,200RPM
Cache Data Buffer
- 256 MB
Form Factor
- 3.5-inch
Drive Interface
- SATA 6.0 Gb/s
Random 4K Read
- Up to 170 IOPS
Random 4K Write
- Up to 550 IOPS
Transfer Rate
- up to 600MB/s
Average Latency
- 4.16 ms
Nonrecoverable Read Errors
- 1 per 1015 bits read
MTBF (Mean Time Between Failures)
- 2,500,000 hours
Annual Failure Rate
- .35%
Contact Start Stops
- 600,000
Idle Mode, Active (Max)
- Up to 5.0 Watts
Maximum Current, DC
- 2.6 Amp
Dimensions
- Height: 2.6 cm (1.0 in)
- Length: 14.7 cm (5.8 in)
- Width: 10.2 cm (4.0 in)
Weight
- 670.0 g (1.48 lbs)
Data Heads
- 18
Number of Disks
- 9
Bytes per Sector
- 512 / 4k (512e)
Areal Density
- 1,172Gb/in2
Ambient Temperature
- Operating: 41°F to 140°F (5°C to 60°C)
Altitude
- Operating: -304.8 m to 3,048.0 m (-1,000 ft to 10,000 ft)
- Non-Operating: -304.8 m to 12,192.0 m (-1,000 ft to 40,000 ft)
Humidity
- Operating: 5% to 95% non-condensing
- Non-Operating: 5% to 95% non-condensing
Shock
- Operating: 50 G max at 2 ms
- Non-Operating: 200 G max at 2 ms
Idle (Typical)
- 2.8 bels
Seek (Typical)
- 3.2 bels
Applications
- Hyperscale Applications/cloud Data Centers
- Massive Scale-out Data Centers
- Big Data Applications
- High-capacity Density RAID Storage
- Mainstream Enterprise External Storage Arrays
- Distributed File Systems, Including Hadoop And Ceph
- Enterprise Backup And Restore—D2D, Virtual Tape
- Centralized Surveillance
Compatibility & Installation Videos

iMac (Retina 5K, 27-inch, Early 2019)
Early 2019
Installation requires OWC Digital Thermal Sensor Kit
Installation requires OWC Digital Thermal Sensor Kit
Model ID: iMac19,1
3.0GHz & 3.1GHz & 3.7GHz Core i5 & 3.6GHz Core i9

iMac (Retina 5K, 27-inch, Mid 2017)
Mid 2017
Installation requires OWC Digital Thermal Sensor Kit
Installation requires OWC Digital Thermal Sensor Kit
Model ID: iMac18,3
3.4GHz & 3.5GHz & 3.8GHz Core i5 & 4.2GHz Core i7

iMac (Retina 5K, 27-inch, Late 2015)
Late 2015
Installation requires OWC Digital Thermal Sensor Kit
Installation requires OWC Digital Thermal Sensor Kit
Model ID: iMac17,1
3.2GHz & 3.3GHz Core i5 & 4.0GHz Core i7

iMac (Retina 5K, 27-inch, Mid 2015)
Mid 2015
Installation requires OWC Digital Thermal Sensor Kit
Installation requires OWC Digital Thermal Sensor Kit
Model ID: iMac15,1
3.3GHz Core i5

iMac (Retina 5K, 27-inch, Late 2014)
Late 2014
Installation requires OWC Digital Thermal Sensor Kit
Installation requires OWC Digital Thermal Sensor Kit
Model ID: iMac15,1
4.0GHz Core i7

iMac (27-inch, Late 2013)
Late 2013
Installation requires OWC Digital Thermal Sensor Kit
Installation requires OWC Digital Thermal Sensor Kit
Model ID: iMac14,2
3.4GHz & 3.2GHz Core i5 & 3.5GHz Core i7

iMac (27-inch, Late 2012)
Late 2012
Installation requires OWC Digital Thermal Sensor Kit
Installation requires OWC Digital Thermal Sensor Kit
Model ID: iMac13,2
2.9GHz & 3.2GHz Core i5 & 3.4GHz Core i7

iMac (21.5-inch, Late 2011)
Late 2011
Installation requires OWC Digital Thermal Sensor Kit
Installation requires OWC Digital Thermal Sensor Kit
Model ID: iMac12,1
3.1GHz Core i3

iMac (27-inch, Mid 2011)
Mid 2011
Installation requires OWC Digital Thermal Sensor Kit
Installation requires OWC Digital Thermal Sensor Kit
Model ID: iMac12,2
2.7GHz & 3.1GHz Core i5 & 3.4GHz Core i7

iMac (21.5-inch, Mid 2011)
Mid 2011
Installation requires OWC Digital Thermal Sensor Kit
Installation requires OWC Digital Thermal Sensor Kit
Model ID: iMac12,1
2.5GHz & 2.7GHz Core i5 & 2.8GHz Core i7

iMac (27-inch, Mid 2010)
Mid 2010
Installation requires OWC Digital Thermal Sensor Kit
Installation requires OWC Digital Thermal Sensor Kit
Model ID: iMac11,3
3.2GHz Core i3 & 2.8GHz & 3.6GHz Core i5 & 2.93GHz Core i7

iMac (21.5-inch, Mid 2010)
Mid 2010
Installation requires OWC Digital Thermal Sensor Kit
Installation requires OWC Digital Thermal Sensor Kit
Model ID: iMac11,2
3.06GHz & 3.2GHz Core i3 & 3.6GHz Core i5

iMac (27-inch, Late 2009)
Late 2009
Installation requires OWC Digital Thermal Sensor Kit
Installation requires OWC Digital Thermal Sensor Kit
Model ID: iMac11,1
2.66GHz Core i5 & 2.8GHz Core i7

iMac (21.5-inch, Late 2009)
Late 2009
Installation requires OWC Digital Thermal Sensor Kit
Installation requires OWC Digital Thermal Sensor Kit
Model ID: iMac10,1
3.06GHz & 3.33GHz Core 2 Duo

iMac (27-inch, Late 2009)
Late 2009
Installation requires OWC Digital Thermal Sensor Kit
Installation requires OWC Digital Thermal Sensor Kit
Model ID: iMac10,1
3.06GHz & 3.33GHz Core 2 Duo

iMac (20-inch, Mid 2009)
Mid 2009
Model ID: iMac9,1
2.0GHz & 2.26GHz Core 2 Duo

iMac (20-inch, Early 2009)
Early 2009
Model ID: iMac9,1
2.66GHz Core 2 Duo

iMac (24-inch, Early 2009)
Early 2009
Model ID: iMac9,1
2.66GHz & 2.93GHz & 3.06GHz Core 2 Duo

iMac (20-inch, Early 2008)
Early 2008
Model ID: iMac8,1
2.4GHz & 2.66GHz Core 2 Duo

iMac (24-inch, Early 2008)
Early 2008
Model ID: iMac8,1
2.8GHz & 3.06GHz Core 2 Duo

iMac (20-inch, Mid 2007)
Mid 2007
Model ID: iMac7,1
2.4GHz & 2.0GHz Core 2 Duo

iMac (24-inch, Mid 2007)
Mid 2007
Model ID: iMac7,1
2.4GHz Core 2 Duo & 2.8GHz Core 2 Extreme

iMac (24-inch, Late 2006)
Late 2006
Model ID: iMac6,1
2.16GHz & 2.33GHz Core 2 Duo

iMac (17-inch, Late 2006)
Late 2006
Model ID: iMac5,2 & iMac5,1
1.83GHz & 2.0GHz & 2.16GHz Core 2 Duo

iMac (20-inch, Late 2006)
Late 2006
Model ID: iMac5,1
2.33GHz & 2.16GHz Core 2 Duo

iMac (17-inch, Early 2006)
Early 2006
Model ID: iMac4,1
1.83GHz Core Duo

iMac (20-inch, Early 2006)
Early 2006
Model ID: iMac4,1
2.0GHz Core Duo

iMac G5 (17-inch, Mid 2005)
Mid 2005
Model ID: PowerMac8,2
1.8GHz & 2.0GHz PowerPC G5

iMac G5 (20-inch, Mid 2005)
Mid 2005
Model ID: PowerMac8,2
2.0GHz PowerPC G5

iMac G5 (17-inch, Mid 2004)
Mid 2004
Model ID: PowerMac8,1
1.8GHz & 1.6GHz PowerPC G5

iMac G5 (20-inch, Mid 2004)
Mid 2004
Model ID: PowerMac8,1
1.8GHz PowerPC G5
Power Mac

Power Mac G5 (Late 2005)
Late 2005
Model ID: PowerMac11,2
2.5GHz & 2.3GHz & 2.0GHz PowerPC G5

Power Mac G5 (Early 2005)
Early 2005
Model ID: PowerMac7,3
2.0GHz & 2.7GHz & 2.3GHz PowerPC G5

Power Mac G5 (Late 2004)
Late 2004
Model ID: PowerMac9,1
1.8GHz PowerPC G5

Power Mac G5 (Mid 2004)
Mid 2004
Model ID: PowerMac7,3
1.8GHz & 2.5GHz & 2.0GHz PowerPC G5

Power Mac G5 (Late 2003)
Late 2003
Model ID: PowerMac7,2
1.8GHz PowerPC G5

Power Mac G5 (Mid 2003)
Mid 2003
Model ID: PowerMac7,2
1.8GHz & 1.6GHz & 2.0GHz PowerPC G5
Power Mac G4

Power Mac G4
Models equipped with a SATA controller card
Mac Pro

Mac Pro (Mid 2012)
Mid 2012
Model ID: MacPro5,1
3.2GHz 4-Core Xeon & 3.33GHz 6-Core Xeon & 2.66GHz & 2.4GHz & 3.06GHz 12-Core Xeon

Mac Pro (Mid 2010)
Mid 2010
Model ID: MacPro5,1
2.8GHz & 3.2GHz 4-Core Xeon & 3.33GHz 6-Core Xeon & 2.4GHz 8-Core Xeon & 2.93GHz & 2.66GHz 12-Core Xeon

Mac Pro (Early 2009)
Early 2009
Model ID: MacPro4,1
2.93GHz & 2.66GHz & 3.33GHz 4-Core Xeon & 2.93GHz & 2.66GHz & 2.26GHz 8-Core Xeon

Mac Pro (Early 2008)
Early 2008
Model ID: MacPro3,1
2.8GHz 4-Core Xeon & 2.8GHz & 3.2GHz & 3.0GHz 8-Core Xeon

Mac Pro (Mid 2006)
Mid 2006
Model ID: MacPro1,1
2.66GHz & 2.0GHz & 3.0GHz 4-Core Xeon
PC Compatible

PC Compatible
Products

3.5-inch SATA Enclosures
If upgrading/replacing an HDD with an existing external enclosure, please confirm the enclosure supports drives greater than 2.2TB. Pre-2009 enclosures are typically limited to 2.2TB and support may vary for models after 2009.