Which slot should I use for my SSD?

H81 Motherboard With Nvme Slot - m 2 slot Find M2 Slot stock images in HD and millions of other royalty-free stock photos, illustrations and vectors in the Shutterstock collection monster madness slot A slot that can do SATA will have the M key andor B key A slot that cannot do SATA will not have either the M or B key, but others instead

m2 slot types 2 standard contains variants with up to four PCIe lanes, one SATA 6 Gbs and or one USB port So, it is possible to connect PCIe as well as SATA SSDs How