A:Answer Yes! You can! If upgrading the SATA III SSD, you will need SATA III data cables (6GBit/s speed recommended, as 3GBit and lesser cables will be much slower and may not give you full performance from your drive). SATA power cables should already be included with your machine as they were with mine. If upgrading to an NVMe SSD, make sure the SSD has a screw and standoff on the motherboard, if using a high speed NVME, I would recommend you get an NVME Heatsink as well to help keep the drive cool. As for the RAM, make sure you get RAM that is the same in speed (DDR4 3200MHz for example). Most RAM manufacturers have a compatibility checking tool on their web-pages. Just make sure you know what your motherboard model is, and see if it compatible!