Cisco

Cisco UCSC-O-ID25GF | 2x25GbE SFP28 (10G-capable) | OCP 2.0 mezz | XXV710 controller | PCIe 3.0 x8 | SR-IOV, VXLAN/GENEVE offload

SKU:UCSC-O-ID25GF

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Description

Dual-port 25GbE OCP 2.0 mezzanine adapter for UCS servers, based on the XXV710 controller. Each port supports 25G or 10G with SFP28/SFP+ optics or DAC and advanced virtualization/tunneling offloads for high-throughput, low-CPU networking.

Features

- Dual 25GbE performance with seamless 10G fallback
- OCP 2.0 mezzanine integration for streamlined UCS deployments
- High-density virtualization with SR-IOV and robust queue scaling
- Overlay encapsulation offloads for VXLAN/GENEVE/NVGRE
- Accurate timing via hardware timestamping (PTP 1588v2)
- Broad OS and media compatibility (SFP28/SFP+ optics and DAC)

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: Is this adapter compatible with my UCS server?
A: Yes, if your platform has an OCP 2.0 mezzanine slot. Check your server model’s mezzanine type and lane width support.

Q: Which optics and cables can I use?
A: Use SFP28 SR/LR optics or SFP28 DAC/AOC for 25G. For 10G operation, use SFP+ optics or DAC.

Q: Can I run one port at 25G and the other at 10G?
A: Yes, port speeds can be set independently subject to platform and module capabilities.

Q: Does this NIC support RDMA?
A: This model focuses on advanced Ethernet offloads (SR-IOV, tunneling). If you require RDMA, consider a ConnectX-based adapter.

Q: Does it support PTP for time synchronization?
A: Yes, it supports hardware timestamping for IEEE 1588v2/802.1AS.

Technical Specifications

- Port configuration: 2x SFP28 25GbE (backward compatible with 10GbE SFP+)
- Per-port speeds: 25G/10G
- Form factor: OCP 2.0 mezzanine
- Host interface: PCIe 3.0 x8 via OCP edge connector
- Supported media: SFP28 SR/LR, SFP28 DAC/AOC; supports SFP+ modules/cables at 10G
- Network offloads: SR-IOV, DPDK, RSS, TSO/LRO, checksum
- Overlay offloads: VXLAN, NVGRE, GENEVE
- Jumbo frames: up to 9K
- Time sync: IEEE 1588v2/802.1AS hardware timestamping
- Management: NC-SI sideband, PXE/UEFI network boot
- OS compatibility: VMware ESXi, major Linux distributions, Windows Server
- Typical use: UCS rack/blade servers needing dense 25G connectivity with 10G fallback

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