We have a Gigabyte P15R5 laptop. It has a DVD Writer Model SN-208. I was wanting to replace that optical with a BR Writer (maybe combo DVD/BR). Other than purchasing the correct size drive, is there any other considerations I need to know about (i.e., can the laptop run a BR, motherboard issues, memory issues, etc.)? I'm not a full-fledged techie, so please respond in English.