Cisco

Cisco UCSC-O-N6CD25GFD | ConnectX-6 Lx OCP NIC, 2x25GbE SFP28, OCP 3.0, PCIe Gen4 x8; RoCE v2, SR-IOV, TLS/IPsec offload

SKU:UCSC-O-N6CD25GFD

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Description

Dual-port 25GbE OCP adapter optimized for cloud and virtualization with low latency and rich offloads. Requires a compatible OCP NIC 3.0 slot in the host server; optics/cables sold separately.

Features

- Dual 25GbE SFP28 ports
- PCIe Gen4 x8 host interface
- SR-IOV and RoCE v2 for efficient virtualization
- Advanced overlay and checksum offloads
- Inline TLS/IPsec crypto acceleration
- PTP 1588v2 support
- Backward compatibility with SFP+ 10GbE

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: Does this NIC include SFP28 transceivers?
A: No. SFP28 or SFP+ optics/DACs are required and sold separately.

Q: Is it backward compatible with SFP+ 10GbE modules?
A: Yes, the SFP28 ports support 10GbE with SFP+ optics or DACs.

Q: What slot does it require?
A: An OCP NIC 3.0 slot in the host server; it is not a standard PCIe AIC.

Q: Does it support SR-IOV and RoCE v2?
A: Yes. SR-IOV and RoCE v2 are supported.

Q: Are there any OEM firmware considerations?
A: Some platforms may require specific firmware or have whitelists; verify compatibility with your server vendor.

Technical Specifications

- Controller/ASIC: ConnectX-6 Lx
- Ports: 2x 25GbE
- Port interface: SFP28 (backward compatible with SFP+)
- Form factor: OCP NIC 3.0
- Host interface: PCIe 4.0 x8
- Supported link rates: 25/10/1GbE (per port, dependent on optics/cables)
- RDMA: RoCE v2
- Virtualization: SR-IOV
- Overlay offloads: VXLAN, Geneve, NVGRE
- Time sync: IEEE 1588v2 PTP support
- Inline crypto: TLS/IPsec offload (hardware acceleration)
- OS support: Major Linux distributions, Windows Server, VMware ESXi
- OCP slot requirement: Compatible OCP NIC 3.0 slot in host server
- Note: Transceivers and DAC/AOC cables sold separately

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