The Mellanox QM8790 is an InfiniBand switch for data centre fabric spines that keeps high-performance clusters under central control. Its externally managed design and hot-swappable PSUs help service providers and other large estates maintain consistent, low-latency operations with less manual overhead.
Guide price: Price range: £3,695.00 through £13,995.00 Ex. VAT
As clustered compute estates expand, infrastructure teams need low-latency fabric performance that still fits within centralised provisioning, telemetry and change control.
The Mellanox QM8790 is an Externally managed Quantum HDR InfiniBand switch for HPC, AI and other shared cluster environments that standardise on central fabric tools. It provides 40×QSFP56 ports at up to 200G, giving edge or leaf capacity for fast interconnects without embedded switch management.
With 16000 Gbps of switching capacity, the platform supports dense traffic flows while keeping fabric operations under external orchestration. Hot-swappable PSUs help maintain service continuity during planned maintenance, which suits estates that need predictable operations across multiple switches.
The operational value is straightforward: consistent HDR cluster behaviour, tighter oversight of configuration, and simpler policy enforcement across shared infrastructure. That makes it easier to scale AI, simulation and research workloads without adding separate management silos.
Our team can help you assess the Mellanox QM8790 for your fabric design and operational model.
The Mellanox QM8790 is a high-density networking switch for modern data center environments, designed to provide scalable fabric connectivity and consistent platform behavior across demanding infrastructure deployments.
200G Port Architecture
The switch provides high-speed fabric connectivity with a maximum port speed of 200G for bandwidth-intensive data center interconnects.
40-Port QSFP56 Design
A 40×QSFP56 port configuration supports dense connectivity planning for aggregation and spine-style network designs.
Integrated Switching Fabric
The platform delivers a switching capacity of 16000 Gbps to support large-scale internal traffic movement across the fabric.
Scalable Network Backbone
The architectural design suits environments that need consistent high-throughput switching as infrastructure and east-west traffic demands expand.
Data Center Switching Platform
The QM8790 is positioned as a core network switching platform for enterprise and cloud infrastructure environments that require predictable fabric operation.
Fabric Expansion Readiness
Its port density and throughput profile support structured expansion without changing the switch role within the network architecture.
Deployment Flexibility
The switch can be applied in new or refurbished environments while maintaining the same product architecture and platform function.
If you are planning a high-density switching fabric or expanding data center throughput, our team can help align the QM8790 architecture to your network design goals.
The Nvidia Mellanox QM8790 is an InfiniBand switch for HDR cluster fabrics where teams need low-latency performance and centralised control. It fits managed estates that must stay consistent across provisioning, monitoring and change control without adding switch-by-switch overhead.
In data centres standardising on fabric-level control, the QM8790 supports HDR cluster traffic while keeping provisioning and telemetry under one operational model. That helps teams enforce policy and manage change across a large, shared switch estate.
Media and entertainment environments often run render and simulation jobs across many nodes, with switches operated as one pool. The QM8790 gives these fabrics the cluster speed they need while reducing manual administration as capacity grows.
Healthcare research platforms need repeatable fabric policy, auditability and controlled change as much as performance. The QM8790 suits these environments where HDR connectivity must be centrally governed across departments or sites handling sensitive data.
Finance teams running low-latency compute grids need deterministic InfiniBand links and tighter operational oversight than local switch management provides. The QM8790 fits centrally governed estates where configuration and lifecycle control matter as much as speed.
Software development labs using shared AI or HPC resources need networks that can be rebuilt, monitored and segmented under common tooling. The QM8790 supports that operating model without forcing separate management for each team.
Our team can help design and deploy Mellanox QM8790 fabrics for centralised data centres, managed render environments, regulated research, finance compute grids and shared development clusters.
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Below you’ll find alternative models, suitable software and services that pair with this solution – helping you to avoid compatibility issues, reduce support overhead and deploy with confidence.
Not all deployments fit standard configurations. If you’re weighing up options or want a second opinion on your setup, our team is here to help with honest, straightforward advice backed by decades of vendor knowledge.
Not sure which model is right for your environment? Our specialists can help you select the right platform for your infrastructure requirements.
