# NA2

> Lenovo supercomputer

**Wikidata**: [Q133265383](https://www.wikidata.org/wiki/Q133265383)  
**Source**: https://4ort.xyz/entity/na2

## Summary
NA2 is a Lenovo-manufactured supercomputer (Top500 system ID 180157) built in 2023. It is a Lenovo ThinkSystem SR650 V2 cluster that uses Intel Xeon Platinum 8358 (32-core, 2.6 GHz) processors, runs Linux, and delivers a measured Rmax of 4.23 petaflops.

## Key Facts
- NA2 is a supercomputer manufactured by Lenovo and entered service in 2023 (Top500 system ID 180157).
- The system is listed as being located in the United States (Top500 country entry).
- The system model is stated as "NA2 - Lenovo ThinkSystem SR650 V2, Xeon Platinum 8358 32C 2.6GHz, 100G Ethernet."
- CPU: Intel Xeon Platinum 8358, 32 cores per CPU, stated frequency 2.6 GHz.
- Total number of processor cores: 111,936.
- Measured peak and sustained performance: Rpeak 9.31 petaflops; Rmax 4.23 petaflops.
- Nmax value reported as 9,463,000 (as listed in the system record).
- Operating system: Linux.
- TOP500 ranking history (selected): #146 (2023-06), #176 (2023-11), #200 (2024-06), #236 (2024-11).

## FAQs
### Q: What is NA2?
A: NA2 is a Lenovo-built supercomputer (ThinkSystem SR650 V2) that appears on the TOP500 list under system ID 180157. It is a 2023 system configured with Intel Xeon Platinum 8358 CPUs and running Linux.

### Q: How fast is NA2?
A: NA2 has a reported Rmax (measured LINPACK) of 4.23 petaflops and an Rpeak of 9.31 petaflops according to its TOP500 entry.

### Q: What processors does NA2 use?
A: NA2 uses Intel Xeon Platinum 8358 processors, each with 32 cores and a stated clock of 2.6 GHz.

### Q: How large is NA2 in CPU core count?
A: The system contains 111,936 processor cores in total.

## Why It Matters
NA2 represents a large-scale commercial supercomputing installation deployed in 2023. Its combination of a high total core count (111,936 cores), industry-standard Xeon Platinum 8358 processors, and a measured LINPACK performance of 4.23 petaflops positions it as a substantial resource for compute‑intensive workloads. Being built on Lenovo ThinkSystem SR650 V2 hardware and using 100G Ethernet indicates a modern, rack-scale design suitable for tightly-coupled HPC tasks. NA2’s presence on the TOP500 list across multiple ranking updates documents its relative standing among global supercomputers and provides an auditable performance snapshot (Rmax/Rpeak) for comparison. For organizations evaluating compute capacity, system designs, or procurement options, NA2 is a concrete example of a vendor-built, Xeon-based cluster delivering multi-petaflop sustained performance while running Linux—the prevailing OS choice for scientific and enterprise HPC.

## Notable For
- Deployment on Lenovo ThinkSystem SR650 V2 hardware with 100G Ethernet as stated in its system record.
- Very large aggregate core count: 111,936 processor cores.
- Measured LINPACK performance: Rmax 4.23 petaflops (Rpeak 9.31 petaflops).
- Appearance and movement within the TOP500 rankings across 2023–2024.
- Runs the Linux operating system.

## Body

### Overview
- Instance: supercomputer.
- Manufacturer: Lenovo (Lenovo is a Chinese multinational technology company; company inception 1984).
- Top500 system ID: 180157 (stated as "NA2 - Lenovo ThinkSystem SR650 V2, Xeon Platinum 8358 32C 2.6GHz, 100G Ethernet").
- Inception year for NA2: 2023.
- Country listed for the system: United States.

### Hardware
- Server model: Lenovo ThinkSystem SR650 V2 (as stated in the Top500 description).
- Interconnect: 100G Ethernet (stated in the system identification string).
- Processor family and model: Intel Xeon Platinum 8358.
- Cores per CPU: 32 (qualifier on the CPU entry).
- Stated CPU clock: 2.6 GHz.
- Total processor cores in the system: 111,936.

### Performance
- Rmax (measured LINPACK): 4.23 petaflops.
- Rpeak: 9.31 petaflops.
- Nmax (reported in record): 9,463,000.
- Performance values are those recorded in the system's Top500 entry.

### Software and Operating System
- Operating system: Linux.

### TOP500 Rankings and Identifiers
- TOP500 system ID: 180157.
- Ranking history (selected): #146 (2023-06), #176 (2023-11), #200 (2024-06), #236 (2024-11).
- System label on Top500: "NA2 - Lenovo ThinkSystem SR650 V2, Xeon Platinum 8358 32C 2.6GHz, 100G Ethernet."

### Manufacturer & Origin
- Manufacturer: Lenovo.
- Lenovo details provided in the source: Chinese multinational technology company; inception 1984; headquarters listed as Beijing in the supplied manufacturer data.

All facts above are drawn from the provided system record and associated structured properties.

## References

1. [TOP500](https://top500.org/site/50969/)
2. [TOP500](https://top500.org/system/180157/)