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Cisco

Cisco UCSC-PCIE-C40Q-04 | Dual 40GbE QSFP28 CNA, PCIe 3.0 x8, RoCE, FCoE/iSCSI, SR-IOV, 4x10Gb breakout

SKU:UCSC-PCIE-C40Q-04

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Description

Next‑gen converged adapter delivering two 40GbE ports in QSFP28 form factor (40G mode) with storage convergence and advanced virtualization. Ideal for modern UCS servers needing low latency, 4x10G breakout flexibility, and DCB-enabled fabrics.

Features

- Dual 40G with QSFP28 ports for forward media flexibility
- 4x10G breakout for granular network design
- RoCE acceleration for latency-sensitive workloads
- Converged storage-ready with DCB and FCoE/iSCSI
- Scalable virtualization via SR-IOV and vNIC profiles

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

Technical Specifications

- Ports: 2x QSFP28 (operating in 40GbE mode; QSFP+ compatibility)
- Throughput: up to 2x40Gbps line-rate
- Breakout support: 4x10GbE per port with appropriate breakout DAC/AOC
- Bus interface: PCIe 3.0 x8
- Function: Converged Network Adapter with Ethernet + FCoE/iSCSI
- RDMA: RoCE for accelerated east-west traffic
- Virtualization: SR-IOV, multiple vNIC/vHBA profiles
- Offloads: TSO/LRO, RSS, checksum; VXLAN/NVGRE/GRE
- DCB: PFC/ETS for lossless Ethernet
- Media: QSFP28/QSFP+ optics (SR4/LR4), DAC, AOC
- OS/hypervisor: VMware ESXi, Windows Server, major Linux distros
- Form factor: low-profile adapter (full-height bracket options)
- Target platform: UCS C-Series rack servers

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