What does x4 bandwidth mean on a PCIe x16 slot?

So, you can insert a PCIe GPU into a PCIe slot, but you'll be bottlenecked by the bandwidth limitations of Gen 3 In other words, you

You should be fine First of all yes a 1x card can run in a 16x slot, though technically your extra slot is a 4x slot that can hold up to a 16x

can i put pcie x4 in x16 slot It means the slot has 16X physical width but it will only run at 4X electrical bandwidth This is one of those combo boards that mixes outdated

candy tower slot To check the link speed of PCIe slot, you can use some monitor utility like GPU-Z to check slot will run at a maximum of 4x PCI-E