# NNN1

> supercomputer in China

**Wikidata**: [Q130464727](https://www.wikidata.org/wiki/Q130464727)  
**Source**: https://4ort.xyz/entity/nnn1

## Summary
NNN1 is a supercomputer in the People’s Republic of China built on Lenovo hardware. It is listed on the TOP500 (system id 180009) and delivers measured LINPACK performance of 2.83 petaflops (Rmax) with a theoretical peak of 5.99 petaflops (Rpeak).

## Key Facts
- NNN1 is a supercomputer located in the People’s Republic of China.  
- Manufacturer: Lenovo.  
- Inception: 2021.  
- Top500 system id: 180009 (stated as "NNN1 - ThinkSystem HR650X, Xeon Gold 6233 24C 2.5GHz, 25G Ethernet").  
- Measured LINPACK performance (Rmax): 2.83 petaflops.  
- Theoretical peak performance (Rpeak): 5.99 petaflops.  
- CPU model: Intel Xeon Gold 6233, stated as 24 cores per CPU at 2.5 GHz.  
- Total number of processor cores: 74,880 (reported starting 2021-11).  
- Operating system: Linux.  
- Industry classification: industrial sector.

## FAQs
### Q: What is NNN1?
A: NNN1 is a Lenovo-built supercomputer in China, first reported in 2021 and listed on the TOP500 (system id 180009). It runs Linux and is based on Intel Xeon Gold 6233 CPUs.

### Q: How fast is NNN1?
A: On the TOP500 LINPACK benchmark NNN1 achieved an Rmax of 2.83 petaflops and an Rpeak of 5.99 petaflops.

### Q: How many cores and what hardware does NNN1 use?
A: NNN1 is reported to have 74,880 processor cores (as of 2021-11) and uses Intel Xeon Gold 6233 CPUs (24 cores, 2.5 GHz) in a Lenovo ThinkSystem HR650X configuration with 25G Ethernet as stated in the TOP500 entry.

## Why It Matters
NNN1 represents a mid-range petascale supercomputer entry within China’s high-performance computing infrastructure. As a Lenovo-manufactured system using Intel Xeon Gold processors and running Linux, it reflects common, widely supported technology choices in enterprise and research HPC deployments. Its measured LINPACK performance (2.83 petaflops) and substantial core count (74,880 cores) make it capable of large-scale parallel computations used in industrial-sector workloads that require high throughput and sustained floating-point performance. Being listed on the TOP500 demonstrates that NNN1 met community benchmarking standards and was tracked across multiple TOP500 lists, showing how its relative ranking evolved over time. For organizations and researchers, systems like NNN1 provide compute capacity for simulation, modeling, and data processing tasks that exceed conventional servers but do not require exascale infrastructure. Its presence also contributes to national and sectoral computing capacity, procurement choices, and vendor ecosystems in China’s industrial HPC landscape.

## Notable For
- Use of Lenovo ThinkSystem HR650X hardware platform as reported in the TOP500 entry.  
- Based on Intel Xeon Gold 6233 CPUs (24 cores, 2.5 GHz) across a large core count (74,880 cores).  
- Measured LINPACK Rmax of 2.83 petaflops with an Rpeak of 5.99 petaflops.  
- Listed and tracked on the TOP500 with system id 180009.  
- Runs Linux as its operating system.

## Body

### Overview
- Instance of: supercomputer.  
- Country: People’s Republic of China.  
- Inception year: 2021.  
- Manufacturer: Lenovo.  
- Industry classification: industrial sector.

### Hardware
- CPU model: Intel Xeon Gold 6233.  
- CPU characteristics (stated): 24 cores per CPU, 2.5 GHz (stated as "Xeon Gold 6233 24C 2.5GHz").  
- Platform (stated): ThinkSystem HR650X.  
- Network (stated): 25G Ethernet (as part of the TOP500 stated description).  
- Total number of processor cores: 74,880 (reported with start time 2021-11).

### Performance
- TOP500 system id: 180009 (stated as "NNN1 - ThinkSystem HR650X, Xeon Gold 6233 24C 2.5GHz, 25G Ethernet").  
- LINPACK Rmax (measured): 2.83 petaflops.  
- LINPACK Rpeak (theoretical): 5.99 petaflops.  
- Performance data source: TOP500 system entry for id 180009.

### Rankings and History (TOP500)
- Ranked #184 on TOP500 from 2021-11 to 2022-06.  
- Ranked #203 on TOP500 from 2022-06 to 2022-11.  
- Ranked #227 on TOP500 from 2022-11 to 2023-06.  
- Ranked #265 on TOP500 from 2023-06 to 2023-11.  
- Ranked #302 on TOP500 from 2023-11 to 2024-06.  
- Ranked #338 on TOP500 as of 2024-06 (point in time).

### Software and Operating Environment
- Operating system: Linux (family of Unix-like operating systems).

### Manufacture and Deployment
- Manufacturer: Lenovo (Chinese multinational technology company).  
- TOP500 publisher entries and system metadata list Lenovo as the hardware vendor and provide the primary public record for the system details.

### Data Sources
- All technical and ranking data are reported in the TOP500 system entry for system id 180009 and associated TOP500 metadata (system id, stated configuration, LINPACK results, ranking history, and reported core counts).

## References

1. [TOP500](https://www.top500.org/system/180009/)
2. [Source](https://www.top500.org/site/50854/)
3. [TOP500](https://top500.org/system/180009/)