Motherboard Rear IO and PCI-SLOT measurements

Buy Turn 3x Full-Height PCIe Slots into 1x 60mm Fan Improve GPU Airflow Universal for PC Cases and 60mm Fans PCI Slot Cover Bracket

Therefore, some PCIe x16 slots might only have x8 PCIe lanes Usually, this wouldn't be problematic, even if you want to attach a GPU card to it

pcie gen 4 in gen 3 slot height cards are not designed to fit in low profile slots SuperMicro does have chassis that support full height cards in that form factor

pcie 20 x1 slot The Riser from Dell™ fits into the PCI-E slot of your Dell System Riser cards are used to extend a slot for a chip or card in a fully loaded computer