# B5A

> supercomputer developed by Lenovo

**Wikidata**: [Q132665022](https://www.wikidata.org/wiki/Q132665022)  
**Source**: https://4ort.xyz/entity/b5a

## Summary
B5A is a supercomputer developed by Lenovo that was first deployed in 2021. This high-performance computing system runs on Linux and has consistently ranked among the world's top 320 supercomputers according to the TOP500 list.

## Key Facts
- B5A was developed by Lenovo and first became operational in 2021
- The system uses Intel Xeon Platinum 8280 processors with 28 cores running at 2.7GHz
- It achieves 3.15 petaflops of performance (Rmax) with a peak performance of 6.19 petaflops (Rpeak)
- The supercomputer contains 71,680 processor cores and uses 100G Ethernet networking
- B5A is located in the United States and serves the industrial sector
- The system ranked 149th on the TOP500 list in November 2021 and has maintained rankings between 149-318 through 2024
- It operates on Linux, a Unix-like operating system family that originated in 1991

## FAQs
### Q: Who manufactured the B5A supercomputer?
A: Lenovo manufactured the B5A supercomputer. Lenovo is a Chinese multinational technology company established in 1984 with headquarters in Beijing.

### Q: What is the performance capability of B5A?
A: B5A delivers 3.15 petaflops of sustained performance (Rmax) with a theoretical peak performance of 6.19 petaflops (Rpeak). The system contains 71,680 processor cores.

### Q: Where is the B5A supercomputer located?
A: The B5A supercomputer is located in the United States and serves the industrial sector according to TOP500 classification data.

## Why It Matters
B5A represents Lenovo's significant contribution to high-performance computing infrastructure, demonstrating the company's capability to compete in the global supercomputer market. As a system that has maintained consistent rankings on the prestigious TOP500 list since its deployment in 2021, B5A serves critical computational needs for industrial applications. The supercomputer exemplifies how Chinese technology companies like Lenovo have become major players in advanced computing hardware, challenging traditional Western manufacturers. Its sustained performance and regular updates to the TOP500 rankings indicate reliable operation in demanding computational environments. For industries requiring substantial processing power, systems like B5A provide essential infrastructure for research, development, and complex modeling tasks that drive innovation across multiple sectors.

## Notable For
- Consistent TOP500 rankings from 2021-2024, maintaining positions within the top 320 globally
- Part of Lenovo's portfolio demonstrating the company's supercomputing capabilities outside traditional PC markets
- Uses ThinkSystem C2397 hardware architecture combined with Intel Xeon Platinum processors for optimal performance
- Delivers over 3 petaflops of sustained performance while maintaining energy efficiency standards
- Serves the industrial sector, indicating practical commercial applications rather than purely academic research

## Body
### Technical Specifications
The B5A supercomputer utilizes Intel Xeon Platinum 8280 processors, each featuring 28 cores operating at 2.7GHz clock speed. The system achieves 3.15 petaflops of sustained performance (Rmax) with a theoretical peak performance of 6.19 petaflops (Rpeak). The configuration includes 4,293,120 total processing units (Nmax) and incorporates 100G Ethernet networking technology.

### Performance Rankings
B5A first appeared on the TOP500 supercomputer list in November 2021, achieving rank 149. The system maintained strong performance metrics through subsequent evaluations: rank 164 in June 2022, rank 182 in November 2022, rank 211 in June 2023, rank 247 in November 2023, rank 279 in June 2024, and rank 318 in November 2024. These rankings demonstrate consistent operational performance over multiple years.

### Operational Details
The supercomputer operates using Linux, a family of Unix-like operating systems that originated in 1991. B5A serves the industrial sector and is physically located in the United States. The system's manufacturer, Lenovo, is a Chinese multinational technology company established in 1984 with headquarters in Beijing and approximately 77,000 employees as of 2023.

## References

1. [TOP500](https://top500.org/site/50905/)
2. [TOP500](https://top500.org/system/179979/)