NVIDIA

NVIDIA MCX75343AMC-NEAC | 400GbE/NDR IB, 1x OSFP, OCP 3.0 TSFF, PCIe 5.0 x16, HW crypto

SKU:MCX75343AMC-NEAC

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Description

Single-port OCP 3.0 TSFF adapter delivering 400GbE or NDR InfiniBand with an OSFP cage and PCIe Gen5 x16 throughput. Ideal for AI/HPC and ultra‑low‑latency fabrics, with hardware encryption offloads, RDMA/RoCE, NVMe-oF, and precise PTP timestamping.

Features

- 400G single-port OSFP for maximum throughput
- Selectable 400GbE or NDR InfiniBand for flexible fabrics
- PCIe Gen5 x16 host interface for extreme bandwidth
- Hardware crypto offloads for secure, low-latency data-in-motion
- Advanced virtualization with SR-IOV and OVS/overlay offloads
- PTP 1588v2 hardware timestamping for precision timing
- RDMA acceleration for AI/HPC and NVMe-oF

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 adapter support both Ethernet and InfiniBand?
A: Yes, it supports 400GbE or NDR InfiniBand modes (selectable).

Q: What connector type is required for 400G?
A: An OSFP 400G module, AOC, or DAC compatible with OSFP is required.

Q: What PCIe slot do I need?
A: A PCIe Gen5 x16 slot is recommended; it can operate in earlier PCIe generations with reduced bandwidth.

Q: Is hardware encryption supported?
A: Yes, hardware crypto offloads for IPsec/TLS are supported.

Q: Does it support RDMA and RoCE v2?
A: Yes, RDMA over Converged Ethernet (RoCE v2) and InfiniBand verbs are supported.

Q: Which operating systems are supported?
A: Major Linux distributions and common hypervisors are supported; check driver release notes for specifics.

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
- Lane technology: 8x 50G PAM4 (OSFP 400G)
- Security: Hardware crypto offloads (IPsec/TLS), Secure device life-cycle
- 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: AI/ML clusters, HPC, ultra-high throughput Ethernet/IB fabrics

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