Supermicro AI Switches High-Performance Networking for Modern AI Workloads

Supermicro’s AI Switch portfolio delivers high-bandwidth, low-latency networking designed specifically for AI training, inference, and data-intensive HPC workloads. These switches enable scalable GPU clusters, high-throughput data pipelines, and efficient east-west traffic essential for distributed AI frameworks and large-scale data-centre environments.

Strengths, Capabilities, and Market Differentiation

Supermicro’s latest switch portfolio doesn’t just keep pace with the AI networking race—it pushes the throttle forward. Packed with cutting-edge ASICs, dense port layouts, and full SONiC support, these switches are built for modern data-centre realism, not marketing fantasy. Features like RoCEv2, PFC, ECN, and granular telemetry give GPU clusters the congestion-free pathways and rock-steady latency they demand. Paired with flexible deployment options and Supermicro’s expansive server ecosystem, the lineup delivers a scalable, cost-efficient backbone ready for the most demanding AI workloads on the planet.

Why Supermicro's switches are critical infrastructure for next-generation AI

AI training and inference increasingly bottleneck on data movement GPU-to-GPU, node-to-node. Having a network fabric that supports high non-blocking bandwidth and low-latency interconnect is critical. Supermicro’s approach provide not just servers/GPU infrastructure but also the networking fabric as a building block so that you can deliver large-scale AI clusters more seamlessly. Their Solution combines Open Networking SONiC NOS distribution with advanced layer 3 capabilities and hardware equipped with advanced Switch ASIC for AI fabrics. The Open Networking / SONiC Compatibility supports open-network OS and gives you flexibility and prevents vendor lock-in.

Supermicro Switch Portfolio

ModelSwitch SpeedPort CountSupported OS
SSE-G3748/R SwitchSSE-G3748/R

1:1 non-blocking connectivity, 1U form factor, hot-pluggable power supplies and supports regular and reverse airflow models for data center flexibility.

1G/10G/­25G48 Port 1G + 6x25GSMIS/SONiC
SSE-F3648S/SR SwitchSSE-F3648S/SR

1:1 non-blocking wire-speed performance, redundant hot-pluggable power supplies, 1U form factor with regular and reverse airflow options.

25G/10G/­100G48 Port 25G + 8x100G SONiC OS
SSE-SN3420 SwitchSSE-SN3420

Fully shared packet buffering, redundant hot-pluggable power supplies with a 1U form factor ideal for ToR deployments. Supports regular and reverse airflow and 3.5Bpps processing capacity.

25G/100G48 Port 25G + 12x100GCumulus Linux
SSE-SN3700-C SwitchSSE-SN3700-C

Fully shared packet buffering with best-in-class VXLAN scale and redundant hot-pluggable power supplies. 1U form factor for ToR spine or high-density leaf, regular and reverse airflow models.

100G/40G/­25G32 Port 100GCumulus Linux
SSE-SN3700-V SwitchSSE-SN3700-V

12.8Tb/s throughput with multi-speed connectivity, fully shared packet buffering and best-in-class VXLAN scale. Redundant hot-pluggable power supplies, 1U form factor for ToR super-spine with regular and reverse airflow models.

200G/100G32 Port 200GCumulus Linux
SSE-C4632S/SR SwitchSSE-C4632S/SR

1:1 non-blocking wire-speed performance, redundant hot-pluggable power supplies and a 1U form factor for flexible installation. Regular and reverse airflow options.

100G/25G32 Port 100GSONiC OS
SSE-T7132S/SR SwitchSSE-T7132S/SR

Fully shared packet buffering, redundant hot-pluggable power supplies. 1U form factor ideal for spine/super-spine roles with regular and reverse airflow models.

400G/200G/100G 32 Port 400G (QSFP-DD)SONiC OS
SSE-T8032S SwitchSSE-T8032S

Fully shared packet buffering with redundant hot-pluggable power supplies and a 1U form factor. Regular airflow model.

400G32 port 2x400G (OSFP)SONiC OS
SSE-T8164S/SR SwitchSSE-T8164S/SR

Fully shared packet buffering, with redundant hot-pluggable power supplies. 2U form factor ideal for leaf/spine/super-spine. Regular and reverse airflow models.

800G64 port 800G (OSFP)SONiC OS
SSE-T8196S/SR SwitchSSE-T8196S/SR

Fully shared packet buffering, redundant hot-pluggable power supplies and a 3U form factor ideal for leaf roles. Regular and reverse airflow models.

400G/800G32 Port 800G (OSFP) and 64 Port 400G (QSFP112) SONiC OS

Source: Supermicro

SSE-G3748-SONIC

Supermicro SSE-G3748-SONIC 48-port ToR Switch, 48x1GbE 6x25G SFP28 uplink, SONiC OS, C2P Airflow

The SSE-G3748/R-SMIS is a Layer 2/3 Ethernet Switch complements the growing family of switch offerings by Supermicro in the Open Networking arena. SSE-G3748 series provides customers with the flexibility to use it as a dedicated IPMI/Management switch or a data switch providing an ideal platform for managing and maintaining those resources in a manner in tune with the needs of the organization.

Pre-loaded with the SMIS OS the SSE-G3748/R-SMIS offers extensive networking features plus hardware acceleration of routing and switching functions. The embedded ARM Linux-based controller is particularly well suited for running the provisioning tools which are typically used for servers.

Offering forty-eight 1Gbps RJ45 Ethernet ports and six 25G/10Gbps SFP28/SFP+ uplinks, the SSE-G3748 switch allows connectivity at 10/100/1000 to servers while aggregating traffic for connection to higher speed servers, to routers, and to other backbone network switches. The compact 1U form factor gives users the ability to optimize deployment in standalone or top-of-rack environments. Switch comes with dual and redundant power supplies. The included Ear-mount kit and optional order Rail kit facilitates rack-mounting installations.SSE-G3748 switches are ideal for deployment in Data Center, Cloud and Enterprise environments with the capability of handling access for the most demanding applications. Go to product
SSE-G3748R-SONIC

Supermicro SSE-G3748R-SONIC 48-port ToR Switch, 48x1GbE 6x25G SFP28 uplink, SONiC OS, Reverse Airflow

The SSE-G3748/R-SMIS is a Layer 2/3 Ethernet Switch complements the growing family of switch offerings by Supermicro in the Open Networking arena. SSE-G3748 series provides customers with the flexibility to use it as a dedicated IPMI/Management switch or a data switch providing an ideal platform for managing and maintaining those resources in a manner in tune with the needs of the organization.

Pre-loaded with the SMIS OS the SSE-G3748/R-SMIS offers extensive networking features plus hardware acceleration of routing and switching functions. The embedded ARM Linux-based controller is particularly well suited for running the provisioning tools which are typically used for servers.

Offering forty-eight 1Gbps RJ45 Ethernet ports and six 25G/10Gbps SFP28/SFP+ uplinks, the SSE-G3748 switch allows connectivity at 10/100/1000 to servers while aggregating traffic for connection to higher speed servers, to routers, and to other backbone network switches. The compact 1U form factor gives users the ability to optimize deployment in standalone or top-of-rack environments. Switch comes with dual and redundant power supplies. The included Ear-mount kit and optional order Rail kit facilitates rack-mounting installations.SSE-G3748 switches are ideal for deployment in Data Center, Cloud and Enterprise environments with the capability of handling access for the most demanding applications. Go to product