Seagate

Seagate Exos X20 ST20000NM007D 20 TB Hard Drive - Internal - SATA [SATA/600] - Conventional Magnetic Recording [CMR] Method (259322)

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SKU:
18543424
MPN:
259322
Availability:
Usually ships the same or next business day. In stock at our IL, PA warehouses.
Shipping:
Calculated at Checkout
Stock Update:
07/20/2026 09:11:40 PM PST
$1,481.47
Stock Update:
07/20/2026 09:11:40 PM PST
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Description

This item is brand-new, factory sealed.

Powerful performance. Proven technology. Scalable design.

Exos X20


"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."


Market-leading 20TB HDD offering the highest capacity available for more petabytes per rack1

Highly reliable performance with enhanced caching, making it the logical choice for cloud data center and massive scale-out data center applications

Hyperscale SATA model tuned for large data transfers and low latency

PowerBalance feature optimizes Watts/TB

Maximize 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


Note:

1 Compared to 18TB competitive product Specifications
SATA 6Gb/s Capacity
20TB Standard Model FastFormatTM (512e/4Kn)
ST20000NM007D Features
Helium Sealed-Drive Design
Yes Conventional Magnetic Recording (CMR)
Yes Protection Information (T10 DIF)
- Super Parity
Yes Low Halogen
Yes PowerChoiceTM Idle Power Technology
Yes PowerBalanceTM Power/Performance Technology
Yes Hot-Plug Support
Yes Cache, Multisegmented (MB)
256 Organic Solderability Preservative
Yes RSA 3072 Firmware Verification (SD and D)
Yes Reliability/Data Integrity
Mean Time Between Failures (MTBF, hours)
2,500,000 Reliability Rating at Full 24x7 Operation (AFR)
0.35% Nonrecoverable Read Errors per Bits Read
1 sector per 10E15 Power-On Hours per Year (24x7)
8760 512e Sector Size (Bytes per Sector)
512 4Kn Sector Size (Bytes per Sector)
4096

Features

Device Supported:

Storage System
Video Surveillance System

 

Specs

Physical Characteristics
Weight (Approximate)1.48 lb
Hot PluggableYes
Drive TypeInternal
Height1"
Width4"
Depth5.8"
Interfaces/Ports
Drive Interface StandardSATA/600
Drive InterfaceSATA
General Information
Brand NameSeagate
Manufacturer Website Addresshttp://www.seagate.com
Marketing Information"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."
Maximum Storage Capacity for Highest Rack Space Efficiency
Market-leading 20 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
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
Proven enterprise-class reliability backed by
5-year limited warranty and 2.5M-hr MTBF rating
Product TypeHard Drive
Product NameExos X20 ST20000NM007D Hard Drive
ManufacturerSeagate Technology
Manufacturer Part NumberST20000NM007D
Product ModelST20000NM007D
Product SeriesX20
Product LineExos
Drive Performance
Buffer256 MB
Random 4KB Read168000IOPS
Spindle Speed (rpm)7200
Random 4KB Write550000IOPS
Network & Communication
Wireless LANNo
Technical Information
Recording TechnologyConventional Magnetic Recording (CMR)
Storage Capacity20 TB
Disk Format512e/4Kn

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Seagate Exos X20 ST20000NM007D 20 TB Hard Drive - Internal - SATA [SATA/600] - Conventional Magnetic Recording [CMR] Method (259322)
$1,481.47