Supercomputers/Systems/Njoerd
United Kingdom · operational · ai training
Njoerd
Operated by Northern Data Group at Northern Data / Taiga Cloud .
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
- 78.20 PFlop/s
- Rpeak
- 106.3 PFlop/s
- Rmax ÷ Rpeak
- 73.6%
- Cores
- 273,280
- Power
- -
- Per watt
- - 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 | - HPE Cray XD670 | Hewlett Packard Enterprise | - | Reported | top500.org |
| Accelerator | NVIDIA H100 SXM5 Accelerators CUDA (Hopper GH100) · 16,896C · 1.98 GHz · TSMC 4N · 700 W NVIDIA H100 SXM5 80GB (244 nodes x 8 GPUs) | NVIDIA | - | Verified | top500.orgeqs-news.com |
| CPU | Intel Xeon Platinum 8462Y+ CPUs x86-64 · 32C · 2.8 GHz · Intel 7 Xeon Platinum 8462Y+ 32C 2.8GHz | Intel | - | Reported | top500.org |
| Interconnect | NVIDIA InfiniBand NDR (Quantum-2) Interconnect Fat tree or dragonfly+ · 400 Gb/s per port · Under 0.6 microseconds Infiniband NDR400, rail-optimized | NVIDIA | - | Verified | top500.orgeqs-news.com |
The read
Part of Northern Data's Taiga Cloud brand. TOP500's own page carries no country field at all for this system; the London location is confirmed only by the operator's own regulated corporate disclosure (a German EQS-News filing), which independently matches TOP500's Rmax/Rpeak/core figures exactly. Power draw is unsourced anywhere and is left blank rather than estimated.
Timeline
Public list appearances
Pointers only: rank and edition, linking to the canonical entry. We do not reproduce list tables. See sourcing policy.
Site & facility
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 |
|---|---|---|
| top500.org | names system and part | NVIDIA H100 SXM5, Intel Xeon Platinum 8462Y+, NVIDIA InfiniBand NDR (Quantum-2) |
| eqs-news.com | names system and part | NVIDIA H100 SXM5, Intel Xeon Platinum 8462Y+, NVIDIA InfiniBand NDR (Quantum-2) |
Checked 2026-10-09 by pnpm verify. Re-run it and the table changes with the web.
Further reading
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.
Operating a supercomputer
Acceptance testing, why "installed" and "in production" are six months apart, and the machine lifecycle.