The Golden Rule of PCIe: Any PCIe card will physically fit into any PCIe slot that is the same size or larger (with one exception: x1 cards require an open-ended slot, explained below). However, a larger card will not fit into a smaller slot.
The Golden Rule of PCIe: Any PCIe card will physically fit into any PCIe slot that is the same size or larger (with one exception: x1 cards require an open-ended slot, explained below). However, a larger card will not fit into a smaller slot.