NVIDIA

NVIDIA MCX75343AMS-NEAC | 400GbE/NDR IB, 1x OSFP, OCP 3.0 TSFF, PCIe 5.0 x16, Multi-Host/Socket Direct

SKU:MCX75343AMS-NEAC

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Description

OCP 3.0 TSFF single-port adapter supporting 400GbE or NDR InfiniBand via OSFP, with PCIe Gen5 x16 and advanced Multi-Host and Socket Direct capabilities for balanced bandwidth across CPUs. Optimized for AI/HPC fabrics, RDMA/RoCE, and NVMe-oF with precise PTP timing.

Features

- 400G OSFP with selectable Ethernet or InfiniBand
- Multi-Host and Socket Direct for balanced inter-socket bandwidth
- PCIe Gen5 x16 for peak host throughput
- RDMA acceleration for AI/HPC and storage fabrics
- Advanced virtualization with SR-IOV and OVS/overlay offloads
- PTP 1588v2 hardware timestamping

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 are Multi-Host and Socket Direct?
A: They allow the adapter to present interfaces to multiple hosts or directly map lanes to CPU sockets for improved bandwidth and NUMA locality.

Q: Can I use both Ethernet and InfiniBand?
A: Yes, the adapter can operate in 400GbE or NDR InfiniBand mode (one mode at a time).

Q: Which connector type is required?
A: An OSFP module or cable rated for 400G is required.

Q: Is RoCE v2 supported?
A: Yes, RoCE v2 is supported for low-latency Ethernet RDMA.

Q: Does this model include hardware crypto?
A: This model focuses on Multi-Host/Socket Direct; refer to the datasheet for specific crypto feature licensing.

Technical Specifications

- Controller: ConnectX-7
- Network modes: 400GbE or NDR InfiniBand (selectable)
- Ports: 1x OSFP (400G)
- Form factor: OCP 3.0 TSFF
- Host interface: PCIe 5.0 x16
- Capabilities: Multi-Host and Socket Direct
- Lane technology: 8x 50G PAM4 (OSFP 400G)
- Virtualization: SR-IOV, OVS offloads, VXLAN/GRE/Geneve
- RDMA: RoCE v2 and InfiniBand verbs
- Storage: NVMe-oF/RDMA acceleration
- Timing: IEEE 1588v2 PTP hardware timestamping
- Cabling/optics: OSFP 400G optics, AOC, or DAC (not included)
- Operating systems: Major Linux distributions and hypervisors
- Use cases: Multi-socket servers, AI/ML clusters, HPC

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