NVIDIA

NVIDIA MCX755106AC-HEAT | 200GbE/NDR200 IB, 2x QSFP112, HHHL, PCIe 5.0 x16 (+x16 ext), HW crypto

SKU:MCX755106AC-HEAT

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Description

Half-height, half-length PCIe adapter with dual QSFP112 ports for 2x200GbE or NDR200 InfiniBand, delivering ultra‑low latency and high throughput for AI/HPC clusters. Includes PCIe Gen5 x16 with optional x16 extension, hardware crypto offloads, RDMA/RoCE, NVMe-oF, and precise PTP timing.

Features

- Dual 200G QSFP112 ports for flexible Ethernet/IB fabrics
- PCIe Gen5 x16 host interface with x16 extension option
- Hardware crypto offloads for secure high-speed traffic
- SR-IOV and OVS/overlay offloads for virtualized environments
- RDMA acceleration for ultra-low latency and NVMe-oF
- 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: Can both QSFP112 ports run at 200G simultaneously?
A: Yes, both ports can operate at up to 200Gbps each, subject to host and PCIe bandwidth.

Q: Does it support both Ethernet and InfiniBand?
A: Yes, it supports 200GbE or NDR200 InfiniBand modes (selectable).

Q: What cables or optics are required?
A: QSFP112-compliant DAC, AOC, or optical transceivers rated for 200G per port.

Q: Is hardware encryption available?
A: Yes, this model includes hardware crypto offloads for IPsec/TLS.

Q: Is PCIe Gen5 mandatory?
A: It performs best on PCIe Gen5 x16; it can link at lower generations with reduced throughput.

Technical Specifications

- Controller: ConnectX-7
- Network modes: 2x 200GbE or NDR200 InfiniBand (selectable)
- Ports: 2x QSFP112 (each up to 200G)
- Form factor: HHHL (low-profile bracket may vary by kit)
- Host interface: PCIe 5.0 x16 with x16 extension option
- Lane technology: 4x 50G PAM4 per port (QSFP112 200G)
- Security: Hardware crypto offloads (IPsec/TLS)
- 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: QSFP112 200G optics, AOC, or DAC (not included)
- Operating systems: Major Linux distributions and hypervisors
- Use cases: AI/ML training, HPC clustering, scale-out storage

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