As AI and HPC workloads continue to evolve in complexity, the demand for high-performance, scalable networking solutions has never been more critical. The Cornelis CN5000 Omni-Path adapters are purpose-built to deliver industry-leading performance and scalability, accelerating time-to-results and maximizing investment in extreme-scale environments.
The CN5000 SuperNIC delivers unmatched scalability through dynamic adaptive routing, traffic flow optimization, and creditbased flow control. It supports lossless and congestion-free data transmission using fine-grained adaptive routing and dynamic lane scaling—ensuring low tail latency, high throughput, and robust data integrity even in the most demanding environments.
With these architectural features, including optimized link protection, the CN5000 SuperNIC maximizes compute efficiency, improves system reliability, and lowers total cost of ownership across AI and HPC deployments at scale.
The CN5000 SuperNIC is equipped with advanced telemetry engines, delivering real-time insights and granular network visibility to optimize AI and HPC workloads. The CN5000 SuperNIC continuously monitors traffic patterns and enables automated congestion mitigation and real-time traffic adjustment, reducing manual troubleshooting and improving workload stability.
With industry-leading, real-time telemetry and precision network intelligence, CN5000 SuperNICs ensure unparalleled visibility, efficiency, and control by delivering high-performance networking across compute environments at any scale.
In AI and HPC, consistent and reliable network performance is crucial for maximizing computational efficiency. The CN5000 SuperNIC features advanced error correction and dynamic network function placement, ensuring maximum network efficiency.
The CN5000 SuperNIC offers maximum resiliency to ensure uptime even during failures and no error-driven retries. These innovations deliver superior reliability and adaptability for evolving AI and HPC environments, minimizing downtime, reducing retransmissions, and helping ensure high system availability for mission-critical workloads.
Designed for demanding AI and HPC workloads, the CN5000 SuperNIC provides 400G bidirectional bandwidth, maximizing data throughput across the fabric. Its architecture prioritizes ultralow latency and high message rates with sub-1 μs MPI latency, ensuring timely inferencing and accelerated AI model training.
The CN5000 SuperNIC optimizes realtime inferencing, shortens feedback loops, and reduces time-to-results. Its robust and efficient design makes it the ideal choice for highly parallelized applications at any scale.
CN5000 Architecture delivers lossless and congestion-free data transmission with credit-based flow control and dynamic fine-grained adaptive routing. It is designed for maximum performance, reliability, scalability, and data integrity with dynamic lane scaling and optimized link protection.
The Cornelis CN5000 Omni-Path product family includes the Switch, Director Class Switch, and SuperNIC; cables; and open-source Host and Management OPX Software all offering flexible, high-performance networking solutions for diverse infrastructure needs.
Performance that scales with your cluster
Real-time network visibility and control
Supports >100K node clusters
Single or dual port 400G
> 800 million packets/s
< 1 μs MPI latency
Supports MSI-X interrupt handling
Enhanced resource scaling
Optimized send and receive buffer management for high message rate applications
Supports Single Root I/O Virtualization (SR-IOV)
Supports industry standard management interfaces
Single and dual port adapter options
Configurable from one to four VLs plus one management
Configurable MTU size of 2 KB, 4 KB, 8 KB, or 10 KB VL
PCI Express Base Specification 5.0 compliant
Air and liquid cooling options
Advanced Congestion Management
Fine-Grained Adaptive Routing (FGAR)
Static Dispersive Routing (SDR)
Optimized for scalable MPI and SHMEM message rate and latency
Includes support for standard telemetry protocols (PLDM, MCTP, Redfish) to streamline system integration and firmware updates
Integrated management processor supports host monitoring, query, and updates. Supported interfaces include:
MCTP over SMBus
PLDM for Platform Monitoring and Control
PLDM for Firmware Update
PLDM for Redfish Device Enablement (RDE) support
| Bandwidth | 400G |
| Port Options | Single-port Dual-port |
| PCI Express Low | 2.713 x 6.6 in. |
| Profile Card (HxL) | 6.89 x 16.76 cm |
| Bracket included | Low-Profile (installed) Standard (in package) |
| Cooling Options | Air- and Conduction-Cooled |
| Power Consumption (Typ/Max) | Passive Copper Cable: Active Copper Cable: Active Optical Cable: |
| Weight | Air-Cooled, Standard: Air-Cooled, Low Profile: Conduction-Cooled, Low Profile: |
| Item Name | Item Number | Item Description |
|---|---|---|
| CN5HFA2D5ALS | 980074 | Dual Port, QSFP-DD, x16 PCIe Gen 5, Air-Cooled, Low Profile, Single |
| CN5HFA1Q5ALS | 980075 | Single Port, QSFP, x16 PCIe Gen 5, Air-Cooled, Low Profile, Single |
| CN5HFA1Q5NLS | 980176 | Single Port, QSFP, x16 PCIe Gen 5, Conduction-Cooled, Low Profile, Single |
US/Canada | TUV NRTL 62368-1, CSA 22.2.No. 62368-1 |
Europe | TUV EN62368-1 |
International | CB Scheme: IEC 62368-1 |
Temperature | Operating: 0° to 55° C (derated 1C/175m above 900m) Storage: -40° to 70° C |
Humidity | Operating: 10% to 85% non-condensing Storage: 5% to 95% non-condensing |
Altitude | Operating: 0-3,000m Non-operating: 0-12,000m |
US | FCC Part 15, Subpart B, Class A |
Canada | CAN ICES-3(A)/NMB-3(A) Issue 7 |
Europe | EN55032 (CISPR32), |
Japan | VCCI, Class A |
New Zealand/ Australia | CISPR 32, Class A |
Korea | Emissions: KS C 9832 Class A |
Taiwan | BSMI (CNS 15936), Class A |
RoHS | RoHS II Directive 2011/65/EU2, RoHS Directive 2015/863 |
REACH | REACH Regulation (EC) No 1907/2006 |
From training large language models and powering agentic AI frameworks, to real-time fraud detection in finance and computer vision in autonomous systems - CN5000 Omni-Path AI solutions deliver the high-performance, lossless networking foundation that next-generation AI demands.
Push the boundaries of scientific discovery and engineering innovation with CN5000 Omni-Path-based HPC solutions. From advancing climate modeling and seismic analysis, to accelerating simulation and design in aerospace and automotive, and enabling complex genomic research in life sciences, CN5000 Omni-Path solutions power breakthrough results—faster, smarter, and at scale.
