NVIDIA

NVIDIA MQM9790-NS2F | 64x NDR 400G via 32x OSFP, Unmanaged, 2x AC PSU, P2C airflow

NVIDIA MQM9790-NS2F | 64x NDR 400G via 32x OSFP, Unmanaged, 2x AC PSU, P2C airflow

SKU:MQM9790-NS2F

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Description

Quantum‑2 NDR InfiniBand switch delivering massive 400Gb/s port density for AI/HPC fabrics where an external controller manages the fabric. 64 NDR ports are exposed via 32 OSFP cages with support for 2x200G breakouts. Unmanaged variant requires an external Subnet Manager (e.g., UFM). P2C airflow supports hot‑aisle containment designs.

Features

- High‑density 64x 400G NDR switching via 32 OSFP cages
- Unmanaged design for controller‑based fabrics
- P2C airflow for hot‑aisle containment
- Redundant, hot‑swappable PSUs and fans
- Support for 2x200G breakouts and advanced IB routing

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Does this switch include an embedded Subnet Manager?
A: No. It is the unmanaged variant and needs an external Subnet Manager such as UFM.

Q: Which modules and cables are supported?
A: Use OSFP 400G NDR modules; 2x200G breakouts are supported with OSFP‑to‑2xQSFP112 DAC/AOC or breakout optics.

Q: What airflow orientation is P2C?
A: P2C means rear‑to‑front airflow, typically for hot‑aisle containment.

Q: Can ports operate at 200G?
A: Yes, ports can run at 200G with supported breakouts and endpoints.

Technical Specifications

- Ports: 64x NDR 400Gb/s via 32x OSFP cages
- Aggregate switching bandwidth: up to 51.2 Tb/s (bidirectional)
- Airflow: P2C (hot‑to‑cold, rear‑to‑front)
- Power: 2x hot‑swappable AC PSUs; hot‑swap fans
- Management: Unmanaged; requires external Subnet Manager (e.g., UFM)
- Breakouts: OSFP 400G to 2x200G (QSFP112) supported
- Features: Adaptive routing, congestion control, QoS
- Deployment: Scalable leaf/spine for AI/HPC fabrics

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