User Manual
Page 20
... the motherboard and the DIMM if you force the DIMM into a DDR4 slot; It is unable to install a DDR, DDR2 or DDR3 memory module into the slot at incorrect orientation. B150M Pro4S 2.3 Installing Memory Modules (DIMM) his motherboard provides four 288-pin DDR4 (Double Data Rate 4) DIMM slots, and supports Dual Channel Memory...
... the motherboard and the DIMM if you force the DIMM into a DDR4 slot; It is unable to install a DDR, DDR2 or DDR3 memory module into the slot at incorrect orientation. B150M Pro4S 2.3 Installing Memory Modules (DIMM) his motherboard provides four 288-pin DDR4 (Double Data Rate 4) DIMM slots, and supports Dual Channel Memory...