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Cisco

Cisco HX-P-I8Q25GF | 4x25/10GbE SFP28 | PCIe 4.0 | RDMA (RoCEv2/iWARP) | SR-IOV | VXLAN/Geneve/NVGRE offloads | PTP (IEEE 1588)

SKU:HX-P-I8Q25GF

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Description

Quad-port 25GbE SFP28 PCIe adapter leveraging the Intel Ethernet 800 Series (E810) for dense connectivity, low latency, and high throughput. Ideal for virtualization hosts and storage nodes, it provides advanced tunneling offloads, RDMA options, and precise time synchronization across four SFP28 cages.

Features

- Quad 25/10GbE SFP28 for high-density host connectivity
- PCIe 4.0 for ample headroom across four active ports
- SR-IOV and queue steering for multi-tenant performance isolation
- RDMA options (RoCEv2/iWARP) for low-latency data paths
- Comprehensive tunneling offloads (VXLAN, Geneve, NVGRE)
- PTP hardware time stamping for precise timing
- Flexible media with SFP28/SFP+ DACs and optics

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

- Controller family: Intel Ethernet 800 Series (E810)
- Ports: 4x SFP28
- Port speed: 25GbE per port; backward compatible with 10GbE (SFP+)
- Bus interface: PCI Express 4.0
- Form factor: Low-profile PCIe adapter ("L" variant often indicates low-profile)
- Virtualization: SR-IOV with scalable VFs and advanced queue management
- Offloads: VXLAN, NVGRE, Geneve, checksum/TSO/LRO
- Time sync: PTP (IEEE 1588/802.1AS) hardware time stamping
- RDMA: RoCEv2 and iWARP (environment dependent)
- Cabling/media: SFP28/SFP+ DAC/AOC; optical SR/LR (standards-based)
- OS support: Major Linux, Windows Server, VMware ESXi (check HCL/driver versions)
- Use cases: High-density virtualization, storage fabrics, NFV/edge

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