Motherboards with a good number of PCIe slots

pcie slot length   Dan pcie 40 in 30 slot

Full-length PCI cards have a specified length of 312 mm , and half-length PCI cards are specified as having a length of up to

1 slot = 20mm, with the width of 110mm  PCIe slots are used to connect graphics cards, sound cards, other interface cards and some

nvme m.2 slot motherboard PCIe adapters and slots come in 4 different sizes: 1x, 4x, 8x, and 16x Smaller size adapters do fit in larger slots, but larger size adapters do not fit in Card capacity and size · Slot 1: gen 4, up to x16 lanes · Slot 2: gen 4, up to x16 lanes · Slot 3: gen 4, up to x8 lanes