Cisco

Cisco UCSC-P-N7S400GFO | 1x400GbE QSFP112, PCIe Gen5 x16, RoCEv2, SR-IOV, PTP

SKU:UCSC-P-N7S400GFO

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Description

Single-port 400GbE PCIe Gen5 adapter engineered for maximum bandwidth in AI backbones, disaggregated storage, and cloud-scale deployments. The QSFP112 interface supports 400G optics and high-performance DAC/AOC options. Hardware offloads accelerate RoCEv2 and NVMe-oF, with precise time synchronization for distributed workloads. Ideal for consolidating links while reducing latency and CPU overhead.

Features

- 400GbE single-port design for peak per-link throughput
- PCIe Gen5 x16 to sustain 400G performance
- RoCEv2 hardware offload for deterministic latency
- NVMe-oF acceleration for modern storage fabrics
- SR-IOV for high-density virtualization
- PTP support for precise time alignment
- QSFP112 flexibility across optics and copper interconnects

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: What cabling is supported?
A: QSFP112 400G optics and DAC/AOC cables that match your link budget and switch configuration.

Q: Is the card compatible with PCIe Gen4 slots?
A: Yes, it is backward compatible; bandwidth will match the slot’s capabilities.

Q: Does it support time synchronization?
A: Yes, IEEE 1588v2/802.1AS is supported.

Q: Can it be used for NVMe over Fabrics?
A: Yes, NVMe/RDMA and NVMe/TCP are supported where enabled by platform drivers.

Q: Are optics included in the box?
A: No. Transceivers or DAC/AOC cables are sold separately.

Technical Specifications

- Ports: 1
- Port speed: 400GbE
- Connector form factor: QSFP112
- PCIe interface: PCIe Gen5 x16
- RDMA: RoCEv2
- NVMe-oF: NVMe/RDMA and NVMe/TCP support (OS/driver dependent)
- Virtualization: SR-IOV support
- Time synchronization: IEEE 1588v2/802.1AS
- Form factor: PCIe add-in card
- Operating systems: Major Linux, Windows Server, VMware ESXi (version dependent)
- Cabling/transceivers: QSFP112 DAC/AOC or 400G optics (sold separately)

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