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Cisco

Cisco UCSC-P-I8D25GF | 2x25/10GbE SFP28, PCIe Gen4, SR-IOV, VXLAN/Geneve offloads, PTP 1588

SKU:UCSC-P-I8D25GF

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Description

Dual-port 25GbE SFP28 PCIe network adapter based on the Intel E810 controller, delivering high-throughput and virtualization-friendly networking for modern servers. Each port supports 25G or 10G operation with SFP28 optics or DAC/AOC cables and backward compatibility to 10G SFP+ environments. Ideal for dense virtualization, overlay networks, and time-sensitive workloads with IEEE 1588 PTP support.

Features

- Dual 25/10GbE SFP28 ports for flexible bandwidth
- PCIe Gen4 connectivity for high throughput and low CPU overhead
- SR-IOV and advanced offloads to optimize virtualized workloads
- Overlay tunneling offloads (VXLAN/Geneve/NVGRE) to accelerate SDN overlays
- PTP (IEEE 1588) support for time-sensitive applications
- Backward compatibility with 10G SFP+ optics and infrastructure

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 transceivers or cables included?
A: No. Use SFP28 DAC/AOC or 25G SR/LR optics; 10G operation works with SFP+ modules.

Q: Can each port run at a different speed?
A: Yes. Ports can operate independently at 25G or 10G depending on optics/cable and switch configuration.

Q: Is SR-IOV supported?
A: Yes. The adapter supports SR-IOV for high-performance virtualization.

Q: What operating systems are supported?
A: Common enterprise OSs such as Linux distributions, Windows Server, and VMware ESXi are supported with appropriate drivers.

Q: Does it support overlay offloads like VXLAN or Geneve?
A: Yes. Hardware offloads for VXLAN, NVGRE, and Geneve are supported.

Technical Specifications

- Ports: 2x 25/10GbE SFP28
- Controller: Intel Ethernet Controller E810
- Bus interface: PCI Express Gen4
- Media: SFP28 (backward compatible with 10G SFP+)
- Supported speeds: 25GbE, 10GbE
- Virtualization: SR-IOV, VMware/Hyper-V/KVM support
- Overlay offloads: VXLAN, NVGRE, Geneve
- Time sync: IEEE 1588 PTP
- Jumbo frames: up to 9K
- Network boot: PXE support
- Cable/Optics: 25G SFP28 DAC/AOC; 25G SR/LR; 10G SFP+ modules (sold separately)
- Typical use: Cisco UCS rack servers and other compatible x86 platforms

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