Dell Broadcom 57508 100GbE Dual-Port QSFP56 PCIe Adapter

The Dell Broadcom 57508 100GbE Dual-Port QSFP56 PCIe Adapter (part number 540-BCOH) is a high-performance network interface card built on the Broadcom BCM57508 ASIC, delivering dual-port 100 Gigabit Ethernet connectivity over QSFP56 interfaces. Designed as a factory-integrated option for Dell PowerEdge servers, the adapter connects via a PCIe Gen 4 host interface, providing the bandwidth headroom and low-latency characteristics demanded by modern AI, machine learning, and high-performance storage workloads. The card supports RoCEv2 (RDMA over Converged Ethernet) for CPU-bypass data transfers, enabling efficient communication between compute nodes and NVMe-oF storage targets.

The BCM57508 silicon supports a broad feature set including hardware-offloaded TCP/IP, stateless offloads for TSO, LRO, RSS, and checksum operations, significantly reducing host CPU overhead in throughput-intensive environments. The dual QSFP56 ports support 100GbE operation and are compatible with appropriate DAC cables, AOC cables, and optical transceivers, offering flexible fabric connectivity across top-of-rack switching infrastructure. SR-IOV (Single Root I/O Virtualization) support allows the adapter to present multiple virtual functions to guest virtual machines and containers, making it well suited for virtualized and cloud-native deployments.

As a Dell-qualified, factory-integrated component, the 540-BCOH is validated within the PowerEdge ecosystem and managed through Dell OpenManage and iDRAC server management tooling. The adapter is positioned for data center deployments requiring high-throughput east-west traffic, scale-out NVMe over Fabrics storage networks, GPU-to-GPU communication in AI training clusters, and Tier-1 application server connectivity where 10GbE or 25GbE links have become throughput bottlenecks.

Ideal for

• AI and machine learning training clusters requiring high-bandwidth, low-latency GPU-to-GPU and GPU-to-storage communication over RoCEv2 fabrics
• NVMe over Fabrics (NVMe-oF) storage network connectivity, enabling flash array access at wire speed with minimal CPU utilization
• High-performance virtualized environments leveraging SR-IOV to allocate dedicated 100GbE virtual functions to performance-sensitive VMs and containers
• Scale-out software-defined storage nodes (such as those running Ceph or Lustre) where dual 100GbE ports provide both storage front-end and back-end replication bandwidth
• High-throughput web-scale and database application servers where aggregated 200Gbps of NIC bandwidth eliminates network as a performance bottleneck
• Converged Ethernet data center fabrics supporting simultaneous storage, inter-node, and management traffic across a lossless DCB/PFC-enabled switching infrastructure

Technical specifications

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