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NVIDIA

NVIDIA MQM8790-HS2R | 40x HDR 200G QSFP56, Unmanaged, 2x AC PSU, C2P airflow, 1U

NVIDIA MQM8790-HS2R | 40x HDR 200G QSFP56, Unmanaged, 2x AC PSU, C2P airflow, 1U

SKU:MQM8790-HS2R

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Description

High-density HDR 200Gb/s InfiniBand switch delivering ultra‑low latency and non‑blocking throughput for AI/HPC fabrics. 40 QSFP56 HDR ports in a compact 1U chassis with hot‑swap PSUs and fans, optimized for cold‑aisle front exhaust (C2P) deployments. Unmanaged model requires an external Subnet Manager (e.g., UFM) for fabric control.

Features

- 40x 200Gb/s HDR QSFP56 ports in 1U
- Unmanaged design for use with external fabric controllers
- Hot‑swap, redundant PSUs and fans for high availability
- C2P airflow for standard cold‑aisle/hot‑aisle data center layouts
- Backward compatibility with HDR100/EDR via appropriate optics/cables

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. This is an unmanaged model and requires an external Subnet Manager (e.g., UFM) to run the IB fabric.

Q: Is it backward compatible with EDR or HDR100 nodes?
A: Yes, with suitable QSFP56-to-QSFP28 optics/cables or HDR100 optics, ports can run at lower speeds.

Q: What does C2P airflow mean?
A: C2P indicates cold‑to‑hot (front‑to‑rear) airflow, generally for cold‑aisle intake and hot‑aisle exhaust.

Q: Is a rail kit included?
A: Yes, a rack‑mount rail kit is included.

Technical Specifications

- Ports: 40x QSFP56 HDR (200Gb/s per port)
- Aggregate switching bandwidth: up to 16 Tb/s (bidirectional)
- Latency: ultra‑low, cut‑through forwarding optimized for HPC/AI
- Form factor: 1U rack‑mount; rail kit included
- Airflow: C2P (cold‑to‑hot, front‑to‑rear)
- Power: 2x hot‑swappable AC PSUs
- Cooling: hot‑swappable fan modules
- Management: Unmanaged; requires external Subnet Manager (e.g., UFM) for fabric orchestration
- Compatibility: Backward compatible with HDR100 (100G) and EDR (100G QSFP28) with appropriate optics/cables
- Features: Adaptive routing, end‑to‑end congestion control, QoS

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