m200 slotProduct PCIex16 Slot Count: 1: Product PCIex8 Slot Count: 0: Product PCIex4 Slot Count: 0: Product PCIex1 Slot Count: 1: Product M.2 (except Key M) Port Count: 1: ... Acer VeritonThe memory module slot consists of two sub slots (connectors): Slot A (lower slot) and Slot B (upper slot). 2.Aln the grooves of the memory module with the locking tabs of the connector