Seagate
Seagate Exos X Series ST20000NM002D 20 TB Hard Drive - 3.5" Internal - SAS [12Gb/s SAS] - Conventional Magnetic Recording [CMR] Method (259326)
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- SKU:
- 18543456
- MPN:
- 259326
- Availability:
- Out of stock
- Stock Update:
- 11/20/2025 04:24:53 AM PST
- Stock Update:
- 11/20/2025 04:24:53 AM 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
SAS 12Gb/s Capacity
20TB Standard Model FastFormatTM (512e/4Kn)
ST20000NM002D Features
Helium Sealed-Drive Design
Yes Conventional Magnetic Recording (CMR)
Yes Protection Information (T10 DIF)
Yes 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, 520, 528 4Kn Sector Size (Bytes per Sector)
4096 , 4160 , 4224
Features
Device Supported:
Storage System
Storage System
Specs
| Physical Characteristics | |
| Form Factor | 3.5" |
| Weight (Approximate) | 1.48 lb |
| Drive Type | Internal |
| Height | 1" |
| Width | 4" |
| Depth | 5.8" |
| Warranty | |
| Limited Warranty | 5 Year |
| Interfaces/Ports | |
| Drive Interface Standard | 12Gb/s SAS |
| Drive Interface | SAS |
| General Information | |
| Brand Name | Seagate |
| Manufacturer Website Address | http://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." 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 Type | Hard Drive |
| Product Name | Exos X Series ST20000NM002D Hard Drive |
| Manufacturer | Seagate Technology |
| Manufacturer Part Number | ST20000NM002D |
| Product Model | ST20000NM002D |
| Product Series | X Series |
| Product Line | Exos |
| Drive Performance | |
| Buffer | 256 MB |
| Random 4KB Read | 168IOPS |
| Spindle Speed (rpm) | 7200 |
| Random 4KB Write | 550IOPS |
| Technical Information | |
| Recording Technology | Conventional Magnetic Recording (CMR) |
| Storage Capacity | 20 TB |
| Disk Format | 512e/4Kn |
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Seagate Exos X Series ST20000NM002D 20 TB Hard Drive - 3.5" Internal - SAS [12Gb/s SAS] - Conventional Magnetic Recording [CMR] Method (259326)