Seagate Enterprise ST18000NM004J internal hard drive 18 TB 7200 RPM 256 MB 3.5" SAS

SKU

ST18000NM004J

£777.12 £647.60

18 TB, 3.5", 7200 RPM, SAS, 270 MB/s, Helium

Market-leading 18 TB 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 PowerBalanceTM 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 SecureTM features for safe, affordable, fast and easy drive retirement

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Tech Specs

Hard drive
Component for	Disk array
HDD sustained transfer rate	258 MiB/s
HDD interface transfer rate	12 Gbit/s
HDD average transfer rate	270 MB/s
Average latency	4.16 ms
Mean time between failures (MTBF)	2500000 h
Hot-swap	Yes
HDD speed	7200 RPM
HDD size	3.5"
HDD capacity	18 TB
Features
Type	HDD
Component for	Disk array
HDD sustained transfer rate	258 MiB/s
HDD interface transfer rate	12 Gbit/s
HDD average transfer rate	270 MB/s
Interface	SAS
Average latency	4.16 ms
Mean time between failures (MTBF)	2500000 h
Hot-swap	Yes
HDD speed	7200 RPM
HDD size	3.5"
HDD capacity	18 TB
Storage drive buffer size	256 MB
Rotational Vibration (RV) sensors	Yes
Power
Power consumption (write)	7 W
Power consumption (read)	9.9 W
Power consumption (idle)	5.8 W
Operating voltage	5 / 12 V
Operational conditions
Operating temperature (T-T)	5 - 60 °C
Operating shock	50 G
Non-operating vibration	2.27 G
Non-operating shock	200 G

Technical details
Harmonized System (HS) code	84717050
Interface	SAS
Mean time between failures (MTBF)	2500000 h
Hot-swap	Yes
Weight & dimensions
Width	101.8 mm
Weight	670 g
Height	26.1 mm
Depth	147 mm
Logistics data
Harmonized System (HS) code	84717050
Other features
Interface	SAS

Seagate manufactures hard drives that specifically address the demand for hyperscale cloud scalability. As the flagship of the Seagate® X class, the Exos® X18 enterprise hard drives are the highest-capacity hard drives in the fleet.

Exos X Series Hard Drives
The most scalable drives in the datasphere, Exos X series hard drives integrate the latest technology in support of a secure and reliable cloud data centre.

Scalable. Responsive. Innovative
Designed to handle the most rigorous workloads, the Seagate Exos X series enterprise class drives are perfect, high-reliability solutions for servers, storage systems, and business-centric NAS systems. Whatever your applications, there’s an Exos drive for it.

Specifications

Hard drive
Component for	Disk array
HDD sustained transfer rate	258 MiB/s
HDD interface transfer rate	12 Gbit/s
HDD average transfer rate	270 MB/s
Average latency	4.16 ms
Mean time between failures (MTBF)	2500000 h
Hot-swap	Yes
HDD speed	7200 RPM
HDD size	3.5"
HDD capacity	18 TB
Features
Type	HDD
Component for	Disk array
HDD sustained transfer rate	258 MiB/s
HDD interface transfer rate	12 Gbit/s
HDD average transfer rate	270 MB/s
Interface	SAS
Average latency	4.16 ms
Mean time between failures (MTBF)	2500000 h
Hot-swap	Yes
HDD speed	7200 RPM
HDD size	3.5"
HDD capacity	18 TB
Storage drive buffer size	256 MB
Rotational Vibration (RV) sensors	Yes
Power
Power consumption (write)	7 W
Power consumption (read)	9.9 W
Power consumption (idle)	5.8 W
Operating voltage	5 / 12 V
Operational conditions
Operating temperature (T-T)	5 - 60 °C
Operating shock	50 G
Non-operating vibration	2.27 G
Non-operating shock	200 G

Technical details
Harmonized System (HS) code	84717050
Interface	SAS
Mean time between failures (MTBF)	2500000 h
Hot-swap	Yes
Weight & dimensions
Width	101.8 mm
Weight	670 g
Height	26.1 mm
Depth	147 mm
Logistics data
Harmonized System (HS) code	84717050
Other features
Interface	SAS

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SKU	ST18000NM004J	RF9T8	01DC402	01DC407	833926-B21	7XB7A00021
Manufacturer	Seagate	DELL	Lenovo	Lenovo	HPE	Lenovo
HDD capacity	over 2.5 TB	≈ 1.5 TB	≈ 1.5 TB	≈ 1 TB	≈ 2 TB	≈ 300 GB
Interface	SAS	N/A	N/A	N/A	N/A	N/A
Type	HDD	N/A	N/A	N/A	N/A	N/A
HDD speed	7200RPM to 10000RPM	10000RPM to 15000RPM	10000RPM to 15000RPM	10000RPM to 15000RPM	7200RPM to 10000RPM	15000RPM and more
HDD size	3.5 "	2.5 "	2.5 "	2.5 "	3.5 "	2.5 "
Component for	Disk array	N/A	Server/workstation	Server/workstation	Server/workstation	Server/workstation