Exos X20
Powerful performance with proven technology — Seagate’s® Exos® X20 drives are built off the platform that’s shipped millions globally and deployed in leading cloud service provider solutions — making them the most sought after drives in our datasphere. Designed with the highest rack-space efficiency and protected with Seagate Secure™, Exos X20 offers extreme market-leading capacity, earning customer confidence by delivering trusted peace of mind.
Specifications
Standard Model FastFormat™ (512e/4Kn)
ST18000NM003D
SED-FIPS FastFormat (512e/4Kn)
—
Helium Sealed-Drive Design
Yes
Conventional Magnetic Recording (CMR)
Yes
Protection Information (T10 DIF)
—
SuperParity
Yes
Low Halogen
Yes
PowerChoice™ Idle Power Technology
Yes
PowerBalance™ Power/Performance Technology
Yes
Hot-Plug Support
Yes
Cache, Multi-segmented (MB)
256
Organic Solderability Preservative
Yes
RSA 3072 Firmware Verification (SD&D)
Yes
MTBF (hours)
2,500,000
Reliability Rating @ Full 24×7 Operation (AFR)
0.35%
Non-recoverable Read Errors per Bits Read
1 sector per 10E15
Power-On Hours per Year (24×7)
8,760
512e Sector Size (Bytes per Sector)
512
4Kn Sector Size (Bytes per Sector)
4,096
Spindle Speed (RPM)
7,200 RPM
Interface Access Speed (Gb/s)
6.0, 3.0
Max. Sustained Transfer Rate OD (MB/s, MiB/s)
285/272
Random Read/Write 4K QD16 WCD (IOPS)
168/550
Average Latency (ms)
4.16
Interface Ports
Single
Rotation Vibration @ 20-1500 Hz (rad/sec²)
12.5
Idle A (W) Average
5.4 W
Max Operating, Random Read/Write 4K/16Q (W)
9.4, 6.4
Power Supply Requirements
+12 V and +5 V
Temperature, Operating (°C)
5°C – 60°C
Vibration, Non-operating: 2 to 500 Hz (Grms)
2.27
Shock, Operating 2 ms (Read/Write) (Gs)
40
Shock, Non-operating 2 ms (GS)
200
Height (in/mm, max)
1.028 in/26.1 mm
Width (in/mm, max)
4.01 in/101.85 mm
Depth (in/mm, max)
5.787 in/147 mm
Weight (gm/lb)
670 g/1.477 lb
Carton Unit Quantity
20
Cartons per Pallet / Cartons per Layer
40/8
Seagate 18TB Exos X20 7200 rpm SATA III 6 Gb/s 3.5″ Internal HDD, 256MB Cache, 7200 Rpm, 285 MB/s Data Transfer Rate, Customization Power Options, Advanced Data Security | ST18000NM003D
$340.00
Market-leading 18 TB HDD offering the highest capacity available for more petabytes per rack 1
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
