So the laptop is a Lenovo Z510 i7 4702MQ, 4GB DDR3 1600MHz, 2GB GT 740M, 1TB, 15.6" Screen laptop. So, I know that most mobile memory is SODIMM but apart from that I heard that there is something called SDRAM? Can I just use normal DRAM when upgrading the RAM of my laptop? Thanks in advance.