Seagate Exos X20 ST20000NM002D 20TB 3.5" LFF 12Gbps 7.2K RPM Enterprise 512e/4Kn Fast Format Enterprise SAS Hard Drive

Seagate Part #/MPN: ST20000NM002D

DiscTech Item #: SGT-ST20000NM002D-BN-5Y


$419.00
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$419.00

Enterprise Grade

Capacity: 20TB

Speed: 7,200RPM

Interface Types: SAS Serial Attached SCSI

Form Factor: 3.5inx1.0in LFF Hard Drive

Sector Size: 512 / 512e

Sustained Throughput: 285/272

Average Seek Time: 4.16

Electrical Interface: SAS-3 Serial Attached SCSI v3 - 12.0Gbps

On-Board Cache: 256MB

Seagate Exos X20 ST20000NM002D 20TB 3.5" LFF 12Gbps 7.2K RPM Enterprise 512e/4Kn Fast Format Enterprise SAS Hard Drive - Brand New

Seagate Exos X20 ST20000NM002D 20TB 3.5" LFF / Large From Factor 12.0 Gb/s 7200 RPM Enterprise 512e / 512 Emulation Fast Format SAS / Serial Attached SCSI HDD / Hard Disk Drive - Brand New

Scalable. Responsive. Innovative.
Exos X20

Seagate manufactures hard drives that specifically address the
demand for hyperscale cloud scalability. As the flagship of the
Seagate® X class, the Exos® X20 enterprise hard drives are the
highest-capacity hard drives in the fleet.

Maximum Storage Capacity for Highest Rack Space Efficiency

Market-leading 20TB 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 center and massive scale-out data center applications

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

Proven enterprise-class reliability backed by a 2.5M-hr MTBF rating

Best-Fit Applications

  • Scalable 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:

This drive is compatible with any server that accepts 3.5inx1.0in large capacity SAS Drives.

Exos Enterprise X20
Standard Model FastFormat (512e/4Kn)ST20000NM002D
Interface12Gb/s SAS
Capacity20TB / 20000GB
Helium Sealed-Drive DesignYes
Conventional Magnetic Recording (CMR)Yes
Protection Information (T10 DIF)Yes
SuperParityYes
Low HalogenYes
PowerChoice Idle Power TechnologyYes
PowerBalance Power/Performance TechnologyYes
Hot-Plug SupportYes
Cache, Multisegmented (MB)256
Organic Solderability PreservativeYes
RSA 2048 Firmware VerificationYes
Mean Time Between Failures (MTBF, hours)2,500,000
Reliability Rating @ Full 24×7 Operation (AFR)0.35%
Nonrecoverable Read Errors per Bits Read1 Sector per 1015
Power-On Hours per Year (24×7)8760
512e Sector Size (Bytes per Sector)
  • 512
  • 520
  • 528
4Kn Sector Size (Bytes per Sector)
  • 4096
  • 4160
  • 4224
Spindle Speed (RPM)7200
Interface Access Speed (Gb/s)
  • 12.0
  • 6.0
  • 3.0
Max Sustainable Transfer Rate OD (MB/s, MiB/s) (Read/Write)
  • 285
  • 272
Random Read/Write 4K QD16 WCD (IOPS)168/550
Average Latency (ms)4.16
Interface PortsDual
Rotational Vibration @ 20-1500Hz (rad/sec)12.5
Idle A (W) Average5.8 W
Max Operating, Random Read/Write 4K/16Q (W)9.8, 7.0
Power Supply Requirements+12 V and +5 V
Temperature, Operating (°C)5°C - 60°C
Vibration, Nonoperating: 2 to 500Hz (Grms)2.27
Shock, Operating Read/Write (Gs)40
Shock, Nonoperating, 2ms (Gs)200
Height (in/mm, max)1.028in/26.1mm
Weight (in/mm, max)4.010in/101.85mm
Depth (in/mm, max)5.787in/147.0mm
Weigt (g/lb)670g/1.477lb

Click here to view the manufacturer's item description/brochure

ROHS Compliant

Alternate MPNs: 3DJ203

Weight: 1.8 lb

Warranty: 5 Year Manufacturer

Brand New

Condition Levels Explained

The product is brand new.

5 Year Manufacturer Warranty

Product Warranties Explained

The product has a manufacturer warranty for the time period specified.