| Type | Internal hard drive |
| Form Factor | 3.5-inch |
| Hot Swap Capability | Yes |
| Capacity | 20 TB |
| Interface Type | SAS 12 Gb/s |
| Spindle Speed | 7200 RPM |
| Native Sector Size | 512e |
| Product Series | ThinkSystem |
| Manufacturer Part Number | 4XB7A80353 |
| Drive Type | HDD |
| Use Case | Data archiving, backup, enterprise storage |
Lenovo ThinkSystem 3.5" 20TB 7200RPM SAS Hot Swap HDD

Key Benefits
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- Ideal for enterprise environments requiring high-capacity storage solutions
- Hot-swap capability minimizes system downtime and improves maintenance efficiency
- SAS interface ensures faster and more secure data transfers than SATA alternatives
Product Overview
The Lenovo ThinkSystem 3.5" 20TB SAS HDD (part number 4XB7A80353) delivers enterprise-grade storage with a SAS 12Gb/s interface and a 7200 RPM spindle speed. Designed in a hot-swap 3.5-inch form factor, it allows for seamless integration into compatible server arrays. Utilizing a 512e format, this drive enhances compatibility with modern and legacy systems while offering vast capacity for data archiving, backup, or scalable deployments.
Specifications
Product Overview
Physical & Environmental
| Drive Form Factor | 3.5-inch |
| Dimensions (W x H x D) | 101.6 mm x 26.1 mm x 147 mm |
| Weight | Approx. 1.58 kg (3.48 lbs) |
| Operating Temperature (min) | 5°C |
| Operating Temperature (max) | 60°C |
| Non-Operating Temperature (min) | -40°C |
| Non-Operating Temperature (max) | 70°C |
| Operating Vibration | 0.67 G at 5-500 Hz |
| Non-Operating Vibration | 1.04 G at 2-200 Hz |
| Operating Shock | 65 G, 2 ms |
| Non-Operating Shock | 300 G, 2 ms |
| Idle Power Consumption | 6.8 W |
| Read/Write Power Consumption | 9.7 W |
| Noise (Idle) | 26 dB |
| Noise (Seek) | 30 dB |
Cloud Management & Licensing
| Software Management Interface | |
| Licensing Requirements | None |
Interfaces
| Interface | SAS |
| Interface Speed | 12 Gb/s |
| Connector Type | SFF-8482 (SAS connector) |
| Buffer Size | 256 MB |
Compliance & Origin
| Country of Origin | |
| TAA Compliant | |
| RoHS Compliant | Yes |
| Halogen Free | Yes |
Advanced Security Features
| Encryption | SED (Self-Encrypting Drive) optional depending on configuration |
| Data Protection Features | Advanced error correction, vibration tolerance, SAS dual-port redundancy |