Install PCIe cards in your Mac Pro

Install PCIe cards in your Mac Pro pcie slot length Here I explain how to check PCIe version of motherboard and PCie slot you have Read in pcie 30 in 40 slot Thunderbolt 3 Host Connection · 1 x PCIe x16 Expansion Slot · Supports Full-Size, Double Wide GPU · 650W Power Supply

pcie 30 in 40 slot PC Talk Forum I see various mobos with, for example, 'half-length' PCIe x16 slots But this is a contradiction in terms A PCIe x16 slot by

pcie training error slot 1 PCIe x1: has 1 lane, 18 pins, and 25 mm in length · PCIe x4: has 4 lanes, 32 pins, and 39 mm in length · PCIe x8: has 8 lanes, 49 pins, and 56 mm 1) Mechanical Lane requirement: the type of PCIe slot required by the card “x8 x16”