Two RAM sticks into a four DIMM slot motherboard which slots?

Compares to conventional DIP style DIMM slot, SMD type DIMM slot can reduce signal loss, improves stability under high frequency and maximize overclocking

DDR3 Memory Adapter Card 200 to 240Pin Laptop to Deskstop Memory Transfer Card for SO DIMM Slot for DDR3 204 pin Notebook DDR3 240 pin Desktop DIMM Male

dimensioning a slot DDR3 Memory Adapter Card 200 to 240Pin Laptop to Deskstop Memory Transfer Card for SO DIMM Slot for DDR3 204 pin Notebook DDR3 240 pin Desktop DIMM Male

dim slot DIMM physical id: 3 slot: ChannelB-DIMM1 Here in my system I have 4 memory slots in which currently I am using only one slot In