With NVLink Switch, NVLink connections can be extended across nodes to create a seamless, high-bandwidth, multi-node GPU cluster—effectively forming a data-center-sized GPU.

NVSwitch is a high-performance switching fabric developed by NVIDIA to complement NVLink and enable seamless communication across multiple GPUs in a server or cluster.

Sep 9, 2025 · While NVLink handles communication inside a node, the NVIDIA NVLink Switch extends this capability across hundreds of GPUs in a cluster. It uses a non-blocking topology, …

Feb 8, 2025 · Its integration with NVLink 4.0 and NVSwitch is a key milestone in NVIDIA’s interconnect evolution. NVLink 4.0 provides up to 900 GB/s of bidirectional bandwidth, while …

Jul 10, 2025 · The NVLink Switch System extends the capabilities of NVLink by enabling high-speed communication across multiple nodes. It connects multiple NVLink-enabled servers into …

Sep 17, 2025 · This article explores the evolution of NVLink from its first release in 2014 to its fourth generation, compares it with PCIe, explains the role of NVSwitch, and analyzes its role …

With NVLink Switch, NVLink connections can be extended across nodes to create a seamless, high-bandwidth, multi-node GPU cluster—effectively forming a data center-sized GPU. …

Jan 29, 2024 · NVLink is a protocol that addresses the communication limitations between GPUs within a server. Unlike traditional PCIe switches, which have limited bandwidth, NVLink …

THE NVLINK-NETWORK SWITCH: NVIDIA’S SWITCH CHIP FOR HIGH COMMUNICATION-BANDWIDTH SUPERPODS ALEXANDER ISHII AND RYAN WELLS, SYSTEMS …

NVLink enables direct GPU-to-GPU communication, bypassing the need for PCIe switches. This direct connection allows for faster data transfer and reduces the latency associated with …