Which PCIe configuration supports a maximum of 32 lanes?

The configuration that supports a maximum of 32 lanes is the PCIe x32. PCIe, or Peripheral Component Interconnect Express, is a high-speed interface standard used for connecting components, such as graphics cards, network cards, and storage devices, to a computer's motherboard. The "x" in PCIe xN denotes the number of lanes used for data transmission.

In PCIe, each lane consists of a pair of differential signaling wires, enabling data to travel in both directions simultaneously. The more lanes a configuration supports, the higher the data transfer rates you can achieve.

The PCIe x32 configuration allows for a total of 32 lanes, which translates to a significant amount of bandwidth, making it suitable for high-performance applications requiring fast data transfer, such as when connecting multiple GPUs or high-speed storage solutions. While the other configurations mentioned—PCIe x4, PCIe x8, and PCIe x16—offer lower lane counts (4, 8, and 16, respectively), the x32 configuration provides the highest bandwidth potential available in the PCIe standard.