Cisco

Cisco UCSC-OCP-QD25GF | Dual-port 25GbE SFP28 OCP 3.0 NIC | 2x SFP28 cages | 25G/10G | PCIe Gen3 x8 | SR-IOV | RDMA (RoCE v2/iWARP) | VXLAN/Geneve offloads

SKU:UCSC-OCP-QD25GF

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Description

Dual-port 25GbE OCP NIC 3.0 adapter with SFP28 cages for high-throughput, low-latency data center fabrics. Backward compatible with 10GbE optics/DACs. Designed for cloud, NVMe/TCP, virtualization, and spine/leaf edge connectivity. Transceivers/DACs sold separately.

Features

- Two 25GbE SFP28 ports for high-bandwidth server uplinks
- Backward compatibility with 10GbE optics and cabling
- Advanced offloads and SR-IOV to free CPU cycles
- RDMA support for ultra-low latency networking
- OCP NIC 3.0 form factor for streamlined serviceability

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 SFP28 transceivers included?
A: No. Use compatible SFP28 optics, DAC, or AOC cables as needed.

Q: Can I run 10GbE links?
A: Yes, with SFP+ modules or DACs and 10GbE-capable switches.

Q: Is an interposer kit required for installation in C-series servers?
A: Yes, most C2xx rack servers require an OCP 3.0 interposer/mechanical kit.

Q: Does it support SR-IOV and virtualization offloads?
A: Yes, SR-IOV and a full suite of offloads are supported for high VM density.

Q: What workloads benefit from RDMA on this adapter?
A: Latency-sensitive workloads like storage, HPC, and microservices can benefit.

Technical Specifications

- Ports: 2 x 25GbE SFP28 (cages only)
- Port speeds: 25G and 10G
- Form factor: OCP NIC 3.0
- Host interface: PCIe Gen3 x8
- Media support: SFP28/SFP+ optics, DAC, and AOC (sold separately)
- Virtualization: SR-IOV, VMware/Hyper-V/KVM support
- Offloads: Checksum, TSO/LRO, RSS, VXLAN/NVGRE/Geneve
- RDMA: RoCE v2 and iWARP (model/driver dependent)
- Jumbo frames: Supported
- Compatibility: Requires server with OCP 3.0 slot; C2xx series with OCP interposer

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