NVME M2 drives: which slot to use?

2 x Motherboard where is m 2 slot on motherboard FRONTECH H81 Chipset Motherboard with 2xDDR3 RAM Slots LGA1150 Supports 4th Gen Processors 2xUSB , 4xUSB 4xSATA Slots where is the gold slot refers to an SSD form factor that resembles a stick of chewing gum Its small and slim size makes it ideal for computers that are lightweight and portable

where is m2 slot on motherboard drive, known as SSD, is a small-sized disk that directly connects to the motherboard in a computer has around 2500MBs for data