What ram type should I get for dell vostro 3550? A website shows pc3-12800 and this one shows pc3-10600s. Is it ddr3l or ddr3? I'm going to get 4 gb of ram,
Dell Vostro 14 3000 | 3490 RAM UPGRADE - YouTube
Installing RAM Memory in Dell Laptop (Vostro 1510) - YouTube