Nano 4 node architecture
Nano 4 is operated by National Center for High Performance Computing in Taiwan. This profile covers Ranked system / partition. Specifications are listed below; anything the operator has not published is itemised in the documented-fields list.
Published benchmark (TOP500 · June 2026)
- HPL rank
- #33
- HPL Rmax
- 81.55 PFlop/s
- Theoretical peak Rpeak
- 117.92 PFlop/s
- Ranked core count
- 256,960
- Measured power
- 2214 kW
- Energy efficiency
- 36.83 GFlop/s per watt
Cluster · ASUS ESC N8-E11V · public profile
- Operator / site
- National Center for High Performance Computing
- Country
- Taiwan
- Profile scope
- Ranked system / partition
- Data checked
- 14 September 2026
- Manufacturer
- ASUSTeK / Taiwan AI Cloud / Taiwan Mobile
- Ranked core count
- 256960
- Theoretical peak (PFlop/s)
- 117.92
- Measured power (kW)
- 2214
- Energy efficiency (GFlop/s per watt)
- 36.83378500451671
- Operating system
- RHEL
ASUS ESC N8-E11V · public profile
- System / node model
- ASUS ESC N8-E11V
- Compute nodes of this type
- 220
- CPU model
- Xeon Platinum 8480+ 56C 2GHz
- CPU sockets per node
- 2
- Cores per socket
- 56
- Physical CPU cores
- 112
- Accelerator model
- NVIDIA H200 SXM5 141 GB
- Physical accelerators per node
- 8
- Host / unified memory
- 2 TB
- Accelerator memory
- 141 GB per accelerator
- Interface speed
- 400 Gb/s (InfiniBand NDR)
Scope and uncertainty
Node count, sockets, accelerator count and host memory follow the NCHC announcement, which states 220 H200 nodes each with dual Xeon Platinum processors, eight H200 GPUs and 2 TB of memory.
Documented fields: 17 / 29
Every field this catalog checks. Fields listed above have a value; the remainder are shown here. A field marked absent is not publicly available in the sources we could verify, which does not mean the hardware is missing. Fields that cannot apply, such as benchmark results for an unranked system, are excluded from the total.
Cluster — 6 / 7
- ✓Manufacturer
- ✓Ranked core count
- ✓Theoretical peak (PFlop/s)
- ✓Measured power (kW)
- ✓Energy efficiency (GFlop/s per watt)
- ✓Operating system
- ✕Network topology
ASUS ESC N8-E11V · public profile — 11 / 22
- ✓System / node model
- ✓Compute nodes of this type
- ✓CPU model
- ✓CPU sockets per node
- ✓Cores per socket
- ✓Physical CPU cores
- ✕CPU note
- ✓Accelerator model
- ✓Physical accelerators per node
- ✓Host / unified memory
- ✓Accelerator memory
- ✕Accelerator ↔ accelerator link
- ✕On-node fabric
- ✕CPU ↔ accelerator link
- ✕Network interfaces per node
- ✕Interface model
- ✓Interface speed
- ✕Interface-to-accelerator topology
- –Aggregate scale-out per node
- ✕GPUDirect RDMA
- ✕Management / storage networking
- ✕Local storage
- –NVMe data disks
- –Max remote data disks
- –Uncached disk IOPS
- –Uncached disk throughput (MBps)
- ✕Form factor
Sources
Browse all cluster architecture pages →
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