Microchip Producing Switchtec PAX Fabric Gen 4 PCIe Switch Family

To support cloud, data center and hyperscale computing that facilitates advancements in AI and ML, Microchip Technology Inc. released to production its Switchtec PAX Advanced Fabric Gen 4 PCIe switch family, enabling complex fabric topologies with greater scalability, lower latency, and higher performance than traditional PCIe switches.

The family of switches provides a turnkey fabric solution and reduces time-to-market for systems requiring multi-host sharing of Single Root I/O Virtualization (SR-IOV) NVMe SSDs, graphics processing units and other PCIe endpoints.

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The devices are low-power Gen 4 PCIe switches, reducing total system power consumption. This family of switches is available in the following variants: 100-lane, 84-lane, 68-lane, 52-lane, 36-lane and 28-lane. Other PAX family of switches features include:

• Advanced error containment

• Diagnostics and debug capabilities

• Wide breadth of I/O interfaces

• Integrated MIPS processor

• Secure boot to prevent execution of unauthorized firmware through public key cryptography.

Applications include GPU workstations, composable General Purpose GPUs fabrics, scalable multi-host systems, SR-IOV-enabled JBOFs, disaggregated systems and rack-scale architectures.

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