PCIe slots are a common feature on modern graphics cards, allowing them to interface with other devices in a computer system. GPUs typically use two PCIe slots, but some use more. It is important to note that not all cards have the same number of PCIe slots. Some may have only one, while others may have three or four.
The amount of PCIe slots on a card will affect the amount of devices that can be connected to it. For example, a card with two PCIe slots can support two graphics cards or one graphics card and one other device. A card with three PCIe slots can support three graphics cards or one graphics card and two other devices.
