I have been trying to find ram for this laptop (comes with 8, 4 soldered in, and 4 i want to exchange for 8). But every website I look at does not have my exact model listed. My model is A315-23-R59G and I have only seen A315-23G-R59G and A315-23-R596. I don't know if this is somehow a typo on multiple websites or what. And this makes a big difference in even the number of pins, 260 vs 288. I don't own this laptop yet but I'm buying it today and I want to make the most out of it by buying the ram upgrade right away. Can someone please help me figure out exactly what ram will work for this laptop?