Description
NVIDIA ConnectX-6 Lx 2-Port 25GbE SFP28 PCIe 4.0 x8 SmartNIC
Manufacturer Part Number (MPN): MCX631432AN-ADAB
Secure your cloud infrastructure, accelerate virtualization layers, and scale out high-performance enterprise workloads with the NVIDIA ConnectX-6 Lx Ethernet SmartNIC 25GbE. Specifically engineered to meet the strict security and density demands of modern agile data centers, telco networks, and web 2.0 infrastructures, this advanced smart network interface card utilizes a high-bandwidth PCI Express 4.0 x8 host interface to eliminate packet transmission latencies.
The MCX631432AN-ADAB delivers a total aggregate throughput of 50Gbps over two independent SFP28 ports. Powered by the legendary Mellanox architecture, this SmartNIC introduces best-in-class hardware-assisted offloads—including **RoCE v2 (RDMA over Converged Ethernet)**, ASAP² (Accelerated Switching and Packet Processing), and advanced **Crypto acceleration (IPsec/TLS inline offloads)**. It effectively protects mission-critical enterprise systems while heavily dropping host CPU utilization overhead.
Key Enterprise Features:
- Dual-Port 25GbE SFP28 Performance: Supports dual high-speed optical or Direct Attach Copper (DAC) cabling layouts, providing supreme flexibility for network scale-out.
- Advanced Hardware RoCE v2: Delivers remote direct memory access capabilities with congestion control over standard Ethernet lines, ideal for low-latency AI and storage clusters.
- Inline Crypto Acceleration: Features hardware-based cryptographic offloading for IPsec and TLS, ensuring secure data transit without sacrificing connection speeds.
- ASAP² Accelerated Switching: Hardware virtualization offloads for Open vSwitch (OVS) and SR-IOV layer structures speed up multi-tenant cloud operations.
- Low-Profile MD2 Form Factor: Standard space-saving mechanical card framework ships with both full-height and low-profile brackets to ensure seamless 1U/2U server node integration.
Technical Specifications:
| Specification | Details |
|---|---|
| Controller Family | NVIDIA ConnectX-6 Lx (Mellanox Architecture) |
| Data Rate Per Port | 25 Gb/s (Backward compatible with 1, 10, and 25 GbE) |
| Total Interface Ports | 2x SFP28 Slots |
| Host Bus Interface | PCI Express 4.0 x8 (Compatible with standard x8 and x16 slots) |
| Security Profile | Crypto Enabled (Hardware IPsec & TLS Inline Offloads) |
| Form Factor Profile | Low-Profile, Half-Length (MD2 Standard) |
| Brackets Kit Included | 1x Full-Height (ATX Standard) & 1x Low-Profile (LP Rack Server) |
| Network Technologies | RoCE v2, SR-IOV, Multi-Host, ASAP², DPDK, Zero Touch RoDMA |
| Cabling Compatibility | SFP28 Active Optical Cables (AOC) / Direct Attach Copper (DAC) Cables |
| Operating System Support | VMware ESXi, RedHat Enterprise Linux, Windows Server, Ubuntu, FreeBSD |
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