英伟达 200G一卡难求，国产替代方案推荐

Core Viewpoint - The demand for NVIDIA's ConnectX-7 network card is extremely high in data centers and AI computing scenarios, leading to scarcity and high prices [1]. Group 1: ConnectX-7 Network Card Specifications - The ConnectX-7 network card supports Ethernet and InfiniBand protocols, featuring two ports with a maximum bandwidth of 400Gb/s [3]. - It utilizes NRZ and PAM4 interface technologies, with PCIe Gen 5 host interface supporting up to 32 lanes [3]. - The card is compatible with various operating systems including Linux, Windows, and VMware ESXi [3]. Group 2: XPU-316 Network Card Overview - The XPU-316 network card is presented as a domestic alternative to the ConnectX-7, offering similar functionalities at a significantly lower price and easier procurement [3]. - It supports 2x200G network interfaces, providing a maximum throughput of 400Gbps and latency under 10 microseconds [5]. - The XPU-316 enhances data center security with support for IPSEC/TLS and various encryption algorithms, including AES/SM4 and national cryptography algorithms [5]. Group 3: XPU-316 Compatibility and Applications - The XPU-316 card is compatible with multiple operating systems such as Linux, CGSL, and Euler, and works with both X86 and ARM CPUs [5]. - It is suitable for various cloud infrastructures, including public, private, and edge clouds, as well as intelligent computing centers [5]. - The card is designed to maximize the computational power of GPU clusters in general and intelligent computing data centers [5].