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Cisco

Cisco HX-PCIE-QD40GF | Dual-Port 40GbE QSFP+ NIC | PCIe 3.0 x8 | RDMA (RoCEv2/iWARP), SR-IOV

SKU:HX-PCIE-QD40GF

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Description

High-performance dual-port 40GbE adapter for bandwidth-intensive and latency-sensitive data center applications. Delivers advanced offloads including RDMA, SR-IOV, and overlay tunneling to maximize CPU efficiency and virtualized workload density. Compatible with QSFP+ optics, DAC, and AOC cabling.

Features

- Dual 40GbE ports for high-throughput server connectivity
- RDMA acceleration for ultra-low latency data paths
- Rich virtualization and overlay offload capabilities
- Flexible QSFP+ media options (optics, DAC, AOC)
- Low-profile design with interchangeable brackets

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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FAQs

Technical Specifications

FAQs

Q: Are QSFP+ transceivers or DAC cables included?
A: No. Use compatible QSFP+ SR/LR modules, DAC, or AOC as required.

Q: Does it support RDMA?
A: Yes, RDMA is supported via RoCEv2 and iWARP.

Q: Is SR-IOV supported?
A: Yes, SR-IOV is supported for creating multiple virtual functions per port.

Q: Can it operate at 10GbE via breakout?
A: Some deployments support 4x10GbE breakout with appropriate firmware, drivers, and cables; verify in platform release notes.

Technical Specifications

- Ports: 2x 40 Gigabit Ethernet
- Port interface: QSFP+ (modules/DAC/AOC sold separately)
- Port speeds: Up to 40GbE per port
- Bus interface: PCI Express 3.0 x8
- Offloads: RDMA (RoCEv2/iWARP), SR-IOV, RSS, TSO/LRO, checksum offload
- Overlay acceleration: VXLAN, Geneve, NVGRE offloads
- Form factor: Low-profile card; includes full-height and low-profile brackets
- OS/stack: Windows Server, VMware ESXi, mainstream Linux distros; DPDK compatible

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