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NVIDIA QM9790 64‑Port Quantum‑2 NDR InfiniBand Switch + All‑Feature License
Keywords:
NVIDIA QM9790 switch,
Quantum‑2 InfiniBand switch,
64‑port NDR switch,
InfiniBand All Feature License,
buy QM9790,
QM9790 All Feature License
Description:
The NVIDIA QM9790 switch is a high-density, high-performance InfiniBand solution based on the 1U Quantum‑2 NDR platform. With 64 non-blocking 400 Gb/s ports across 32 OSFP cages—expandable via port split to 128 NDR200 ports—it delivers up to 51.2 Tb/s aggregate bandwidth, ideal for demanding AI, HPC, and cloud workloads.
Unmanaged by itself, the QM9790 relies on the powerful All Feature License to unlock advanced capabilities including SHARPv3 in-network compute, adaptive routing, congestion control, QoS, and full management via NVIDIA UFM.
Engineered for data centers scaling to hundreds or thousands of nodes, this switch is perfect for users looking to buy QM9790 with feature-rich flexibility, upgrade-ready performance, and enterprise-grade reliability.
Key Features:
- ? 64×400 Gb/s NDR ports (expandable to 128×200 Gb/s via port split) – 51.2 Tb/s non‑blocking throughput
- ? NVIDIA Quantum‑2 ASIC with RDMA, SHARPv3, adaptive routing, QoS, congestion control, and self-healing
- ? Unmanaged model, enabling UFM-based advanced fabric management when combined with All Feature License
- ? Redundant 1+1 hot-swappable PSUs and 6+1 fan array; forward and reverse airflow options
- ? CLI, SNMP, JSON, WebUI support via MLNX‑OS and UFM integration
Configuration:
Attribute | Specification |
---|---|
Part Number / SKU | QM9790 – All Feature License bundle |
Ports | 64×400 Gb/s NDR, port-split to 128×200 Gb/s |
Switching Capacity | 51.2 Tb/s non-blocking |
Switch ASIC | NVIDIA Quantum‑2 |
Management | UFM-ready, MLNX‑OS CLI/WebUI/SNMP/JSON |
Power & Cooling | 1+1 AC PSU, 6+1 fans, P2C/C2P airflow |
Chassis | 1U, 17 cm × 44 cm × 59 cm, ≈14.5 kg |
Environmental | 0–35 °C (P2C), 10–85% RH |
Compatibility:
The QM9790 seamlessly integrates with InfiniBand NDR ecosystems and is backward-compatible with HDR/EDR environments. It supports ConnectX‑6/7 HCAs and BlueField adapters. Management is handled via NVIDIA UFM when paired with the All Feature License
Usage Scenarios:
Stanford AI centers and cloud hyperscalers seeking ultra-low latency often buy QM9790 because it supports SHARPv3, enabling complex collective accelerations and in-network compute scaling.
Large HPC clusters or simulation environments implement the QM9790 bundle for its 51 Tb/s fabric performance, building Fat Tree or DragonFly+ topologies while offloading management and telemetry to UFM.
Edge deployments and real-time analytics platforms rely on port split capability to match high performance with flexible breakout configurations—searchers type “Quantum‑2 InfiniBand switch” to find these advanced options.
Frequently Asked Questions (FAQs)
- Q: What’s included in the All Feature License?
A: Enables SHARPv3, port-split, dynamic routing, UFM integration, QoS, congestion control, and fabric visibility. - Q: How does the QM9790 differ from QM9700?
A: QM9790 is unmanaged and designed for UFM; QM9700 is internally managed with onboard subnet manager. - Q: Can the 400 Gb/s OSFP ports be split?
A: Yes—port split provides up to 128×200 Gb/s lanes per switch. - Q: Is it backward-compatible with HDR/EDR InfiniBand?
A: Yes—supports NDR200 and HDR/EDR downshift modes via MLNX‑OS firmware.
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