Broadcom Trident 4X BCM56898 Enterprise Switch ASIC

The Broadcom Trident 4X BCM56898 is a purpose-built merchant silicon ASIC engineered for high-density, ultra-low-latency switching in modern enterprise and hyperscale cloud data center environments. Built on Broadcom's advanced 5nm process node, the BCM56898 integrates 25.6 Tbps of full-duplex switching capacity across a flexible port configuration supporting 400GbE, 200GbE, 100GbE, 50GbE, and 25GbE interfaces, enabling operators to build highly scalable spine-leaf topologies without oversubscription. The silicon natively supports ECMP-based load balancing, VXLAN bridging and routing, and segment routing (SRv6), making it a foundational building block for software-defined networking overlays and multi-tenant cloud fabrics.

A defining capability of the BCM56898 is its enhanced telemetry engine, which includes Inband Network Telemetry (INT), latency histograms, and per-flow microburst detection at wire speed — providing network operators with granular, real-time visibility into traffic patterns without impacting forwarding performance. The ASIC integrates Broadcom's DASH (Disaggregated APIs for SONiC Hosts) compatibility and exposes a rich P4-programmable pipeline through Broadcom's SDK and Open APIs, allowing switch vendors and cloud operators to customize packet processing logic for stateful ACLs, NAT, and advanced load balancing functions. Deep buffer architecture with intelligent Dynamic Threshold Management (DTM) ensures efficient absorption of traffic bursts across all port densities.

Launched in Q2 2025, the Trident 4X BCM56898 advances upon its predecessor Trident 4 with substantially higher aggregate bandwidth, improved power efficiency per bit, and an enriched feature set for AI/ML cluster networking and east-west traffic-intensive workloads. Its support for ECN (Explicit Congestion Notification), RDMA over Converged Ethernet (RoCEv2), and Priority Flow Control (PFC) makes it directly suited for lossless fabrics connecting GPU compute clusters, distributed storage systems, and high-frequency financial transaction platforms. The BCM56898 is qualified and available to system vendors for integration into 1U and 2U fixed-form-factor data center switches.

Ideal for

• Spine-layer switching in large-scale enterprise spine-leaf Clos fabrics requiring non-blocking 400GbE interconnects between ToR and aggregation tiers
• AI and ML GPU cluster networking where lossless RoCEv2 fabric with PFC and ECN support eliminates congestion-induced retransmissions during distributed training workloads
• Cloud-native multi-tenant data center overlays leveraging VXLAN EVPN with BGP control plane for scalable east-west traffic segmentation across thousands of virtual networks
• High-frequency trading and financial services infrastructure requiring sub-microsecond cut-through latency and deterministic forwarding with hardware timestamping
• Telemetry-driven AIOps platforms utilizing INT and per-flow latency histograms fed into streaming analytics pipelines for proactive network anomaly detection
• Disaggregated network OS deployments running SONiC or other open NOS platforms via Broadcom's Open APIs, enabling vendor-agnostic white-box switch builds at scale

Technical specifications

Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.