4 slot motherboard: Amazon.com: MACHINIST LGA 2011-V3 ATX Motherboard, X99 Gaming ... . Motherboards with PCI Expansion Slot for sale | eBay UK. M ATX Motherboard, B75M VH LGA 1151 Slot DDR3 × 2 16GB Motherboard, SATA 3.0, USB 3.0 × 2, USB 2.0 × 2, 4 Pin 24 Pin Power, M.2 NVME PCIe X16 Motherboard : Amazon.sg: Electronics.
HUANANZHI deluxe X79 motherboard with M.
2 slot CPU E5 2690 C2 CPU cooler RAM 32G(4*8G) DDR3 RECC 1TB 3.5' SATA HDD GTX1050Ti 4G.
This motherboard supports 1, 2, 3, 4 different expansion
slots, which is different than the larger number we saw on the full-size ATX motherboard.
M ATX Motherboard, B75M VH LGA 1151
Slot DDR3 × 2 16GB Motherboard, SATA 3.0, USB 3.0 × 2, USB 2.0 × 2, 4 Pin 24 Pin Power, M.2 NVME PCIe X16 Motherboard : Amazon.sg: Electronics