Arch Memory 2 GB 240-Pin DDR3 UDIMM RAM for Dell Optiplex 390

what's going on you guys this is a Mexican yeah I have another Dale Optiplex 390 this is the minute our B upgrades so you can remove the side cover panel the lights right here so we'll be upgrading now for light gaming outgrowing video card memory power supply from hard drive to so stay dry I'll show you how to do that so you guys will need a wear latex gloves then a you need a Philips screwdriver and you need a flathead screwdriver and we're like this gloves if you want and that's what you need okay so we're going to start off from the power supplies to do that you guys we're going to go ahead and remove the four screws here in the back so you can move the four screws in the back now what you're going to do is you're going to disconnect the 24 pin right here from the power supply see the little clip right here which press your finger like this to release the clip so you can move the th