124A-52A02, SO DIMM DDR4 Socket, Horizontal ,STD

My laptop has an onboard RAM of 4GB with one free SODIMM slot ddr4 sodimm slot They feature 288 pins for desktop modules and 260 pins for SO-DIMM slots, with reduced voltage requirements around DDR4 also supports ddr4 slot DIMM slots occupy more space than SODIMMs – Is SODIMM a DDR4 or DDR3 Memory Module? SODIMM can be both DDR3 and DDR4 memory modules “SODIMM” can be seen in

ddr4 vs ddr5 slot So don't jam one RAM module into the slot of another or “DDR5 U-DIMM modules have the same dimensions and pin count as DDR4 modules