HPE InfiniBand NDR Switches QuickSpecs

Contents
Download
Share

QuickSpecs

HPE InfiniBand NDR Switches QuickSpecs

Have feedback on QuickSpecs? We’re listening

Ideal for customers deploying high-performance computing (HPC) clusters with HPE ProLiant XL, HPE Cray, and HPE ProLiant DL servers using InfiniBand technology.

NVIDIA InfiniBand (IB) NDR switches work with HPE InfiniBand adapters to provide high-performance connectivity for HPC clusters using HPE servers. These 1U rack-mount switches feature 64 non-blocking 400 Gbps ports and deliver up to 51.2 Tbps of aggregate data throughput.

Overview

Models

NVIDIA InfiniBand NDR 64-port OSFP Managed Power-to-Connector Airflow Switch	P45692-B21
– NVIDIA Quantum-2-based 400 Gbps InfiniBand switch – 64 ports at 400 Gbps each – 32 OSFP ports – Non-blocking switching capacity of 51.2 Tbps – Two power supplies (AC) – Standard depth – Managed switch – Power-to-connector (P2C) airflow – Rail kit – Quick Start Guide
NVIDIA InfiniBand NDR 64-port OSFP Power-to-Connector Airflow Switch	P45691-B21
– NVIDIA Quantum-2-based 400 Gbps InfiniBand switch – 64 ports at 400 Gbps each – 32 OSFP ports – Non-blocking switching capacity of 51.2 Tbps – Two power supplies (AC) – Standard depth – Unmanaged switch – Power-to-connector (P2C) airflow – Rail kit – Quick Start Guide

Key Features

– 64 ports, each providing NDR (400 Gbps) performance
– 51.2 Tb/s non-blocking aggregate bandwidth
– NDR200 supports up to 128 ports of HDR (200 Gbps)
– Quick and easy setup and management
– Helps improve performance by reducing fabric congestion
– Backward compatibility to NVIDIA HDR InfiniBand technology simplifies migration

Standard Features

Switch Specifications

– NVIDIA Quantum-2-based QM9700 and QM9790 switch systems
– 64 non-blocking ports at 400 Gbps each
– 32 octal small form-factor pluggable (OSFP) connectors
– NDR (400 Gbps) per port bidirectional
– Switching capacity 51.2 Tbps
– Supports passive copper cables, active copper cables, or fiber-optic cables with optical modules
– Compliant with the InfiniBand Trade Association (IBTA) Specification, Version 1.5
– Two hot-swappable power supplies

Management Ports (Managed Switch)

– 1 × RJ-45 Ethernet management port at 1 Gbps
- 1 × RJ-45 UART port and 1 × USB 3.0 port

Connectors and Cabling

– OSFP ports
– Passive or active copper or optical module with fiber cables

Indicators

– Per OSFP port status LED for link and activity
– System status LEDs for the system, fans, and power supplies
– Unit ID (beacon) LED

Power Supply

– Dual redundant (1+1) hot-swappable power supplies
– Input range: 200–240 VAC; U.S. minimum: two 100–110 V phases, providing at least 208 V total
– 80 Gold+ and ENERGY STAR certified

Cooling

– Power-to-connector airflow
– Hot-swappable fan units

Warranty and Support

– Switches include a three-year warranty with on-site, next-business-day response.
– Cables include a one-year warranty with parts exchange.

Technical Specifications

For the most up-to-date information on HPE Services, please refer to the HPE Services – Supplemental QuickSpecs, which provides a comprehensive and regularly updated overview of available services.

Technical Specifications

HPE SKU P45692-B21 (NVIDIA part number MQM9700-NS2F): NVIDIA InfiniBand NDR 64-port OSFP Managed Power-to-Connector Airflow Switch

HPE SKU P45691-B21 (NVIDIA part number MQM9790-NS2F): NVIDIA InfiniBand NDR 64-port OSFP Power-to-Connector Airflow Switch

For the latest technical specifications, visit the NVIDIA technical specifications page.

Summary of Changes

Date	Version History	Action	Description of Change
21-Sep-2026	Version 7	Changed	Replaced references to "HPE GreenLake" with "GreenLake" to align with current branding standards.
16-Feb-2026	Version 6	Changed	Visual rebranding only—updated typography, colors, and design elements to align with new HPE brand standards. No technical specifications or content were modified.
18-Dec-2023	Version 5	Changed	HPE Services Rebranding
02-Oct-2023	Version 4	Changed	Overview and Technical Specifications sections were updated
10-Jul-2023	Version 3	Changed	Related Options section was removed
03-Apr-2023	Version 2	Changed	Related Options section was updated.
19-Dec-2022	Version 1	Created	New QuickSpecs

Have feedback on QuickSpecs? We’re listening

© Copyright 2026 Hewlett Packard Enterprise Development LP. The information contained herein is subject to change without notice. The only warranties for Hewlett Packard Enterprise products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. Hewlett Packard Enterprise shall not be liable for technical or editorial errors or omissions contained herein.

To learn more, visit http://www.HPE.com/

a50004316enw, - 16920 - Worldwide - V7 - 21-September-2026

QuickSpecs