Supercomputers/Systems/Nano 5
Taiwan · operational · mixed
Nano 5
Also known as NCHC Nano5
Operated by National Center for High-Performance Computing .
Phase 1 seed dataset, compiled by hand. These rows were built from public operator, laboratory and vendor sources. A mechanical second-reader pass has since fetched every cited source: 1092 of 1153 systems have a readable citation that names them, and 40 are genuinely weakly sourced. Every claim carries its source and a confidence tier. Treat anything below verified as a lead, not a citation.
Measured performance
- Rmax
- 13.06 PFlop/s
- Rpeak
- 19.01 PFlop/s
- Rmax ÷ Rpeak
- 68.7%
- Cores
- 40,880
- Power
- 424.6 kW
- Per watt
- 30.8 GF/W
Figures are as last publicly reported for the configuration described below, not a live measurement. Where a system was upgraded in place, the post-upgrade configuration is shown and the earlier one appears in the timeline.
What this machine is made of
One row per supplier relationship. “Supplier at build” is the company that shipped the part at the time; where that company has since been acquired, the parent it rolls up to today is shown beside it. That distinction is what makes ticker-level aggregation possible across a thirty-year dataset.
| Role | Part | Supplier at build | Quantity | Confidence | Source |
|---|---|---|---|---|---|
| Integrator | - ASUSTeK / ASUS Cloud / Taiwan Web Service Corporation | ASUS | - | Reported | top500.org |
| Accelerator | NVIDIA H100 SXM5 Accelerators CUDA (Hopper GH100) · 16,896C · 1.98 GHz · TSMC 4N · 700 W NVIDIA H100 SXM5 80GB, 21 servers | NVIDIA | - | Reported | top500.orgnchc.org.tw |
| Accelerator | NVIDIA H200 SXM Accelerators CUDA (Hopper GH100) · 16,896C · 1.98 GHz · TSMC 4N · 700 W NVIDIA H200, 16 servers | NVIDIA | - | Reported | nchc.org.tw |
| CPU | Intel Xeon Platinum 8480C CPUs x86-64 · 56C · 2 GHz · Intel 7 · 350 W Xeon Platinum 8480+ 56C 2GHz | Intel | - | Reported | top500.orgnchc.org.tw |
| Interconnect | NVIDIA InfiniBand NDR (Quantum-2) Interconnect Fat tree or dragonfly+ · 400 Gb/s per port · Under 0.6 microseconds Infiniband NDR400 | NVIDIA | - | Reported | top500.orgnchc.org.tw |
The read
A second NVIDIA Hopper machine at Taiwan's National Center for High-performance Computing, separate from Nano 4. NCHC describes 37 servers (21 H100 and 16 H200) with 296 Hopper GPUs, dual Xeon Platinum 8480+/8480CL CPUs per node and InfiniBand NDR 400 Gb/s. TOP500 lists 40,880 cores, 13.06 PFlop/s Rmax, 19.01 PFlop/s Rpeak and 424.6 kW, built by ASUS with ASUS Cloud and Taiwan Web Service Corporation: 118th in June 2025, 135th in November 2025 and 155th in June 2026. NCHC's own page quotes 13.06 PFlop/s under the label Rpeak, which is the TOP500 Rmax, so the TOP500 split is used. No site within NCHC is named in either source.
Timeline
- 2025-06 List debut at #118 (June 2025) source
Public list appearances
Pointers only: rank and edition, linking to the canonical entry. We do not reproduce list tables. See sourcing policy.
Change history
- 2026-10-02 Added Nano 5, NCHC's H100/H200 supercomputer in Taiwan
Source check
We fetched this system's own citations and recorded whether each page actually mentions it. This is a corroboration signal, not a fact check, and it is published so you can see how well the sourcing holds up rather than take it on trust.
| Cited source | Result | Found on the page |
|---|---|---|
| nchc.org.tw | names system and part | NVIDIA H100 SXM5, NVIDIA H200 SXM, Intel Xeon Platinum 8480C, NVIDIA InfiniBand NDR (Quantum-2) |
| top500.org | names system and part | NVIDIA H100 SXM5, Intel Xeon Platinum 8480C, NVIDIA InfiniBand NDR (Quantum-2) |
Checked 2026-10-09 by pnpm verify. Re-run it and the table changes with the web.
Further reading
Operating a supercomputer
Acceptance testing, why "installed" and "in production" are six months apart, and the machine lifecycle.
Inside a node
Why accelerators exist, what the memory hierarchy costs, and how the CPU and accelerator merged onto one package.
The interconnect
Topologies, why latency and tail behaviour matter more than bandwidth, and how the fabric market consolidated.