What Is PCIe? A Basic Definition

Getting the warning One additional PCIe x16 slot is needed when there are 3 slots if you remove the GPU in the list and put in one that the compatibility

It is a serial bus point-to-point protocol General processors use the smallest PCI x1 slots Graphic cards use the longest PCI x16 slots PCIe x1 interface has

candy village slot Computer motherboard may have PCIe slots compatible with x1, x4, x8 and x16 When you need to connect PCIe cards to the computer, you just need to insert them

candy monsta slot and all are low end cards, If you have a x16 slot available, which you say you do, you can get better performing cards for what those cost