 Hello, this is LaptopMedia, and today, we will show you how to open the Dell Latitude 15 3520 and what's inside of it. There are 9 captive Philips head screws that you need to undo before you pry this laptop's bottom panel. After that, remove it from the chassis. Please remember, it would be of great help to us if you just hit the like button and subscribe to our channel. That would motivate us to make even more and better videos for you. Here, you get 2 battery options. There is a 3 cell 41 watt-hours unit, as well as a 4 cell 54 watt-hours one. In terms of memory, there are 2 Sodom slots, which support up to 32GB of DDR4 RAM in total, according to Dell. And for the storage, you get 1 M.2 slot that fits either 30mm or 82mm drives. Additionally, if you get the smaller battery option, you can fit a 2.5 inch SATA device. Cooling wise, there are 2 heat pipes, a heat sink, and a fan. Also, there is a small heat spreader over some VRMs. If you'd like to see more disassembly videos of the latest notebooks we would highly appreciate if you hit the like button and subscribe to the channel.