Hi everyone, I'm planning to build a new rig based on the new Core i7 4790k, my current computer is a XPS 8300 w/ a Core i7 2600. Honestly the machine is still plenty fast to me, but the problem is with the video card, upgrading anything in this thing is more trouble then it is worth; I recently bought a 750w modular PSU to go with a R9 280 3gb, however due to the old and no longer updated bios of the Dell mobo, I can't get it to work. So my plan was to simply give the XPS to my little brother since his computer is 5-6 years old and a low end one at that, and build a new rig for myself. I'm going to be using this computer as a Plex media server so I would like it to remain on 24/7 however that is not required since I should be able wake it up remotely. I will also be doing most my gaming on this as well since I don't plan on buying a PS4/XboxOne anytime soon.
I currently have these things to work with
Sentey ERP750-PM 750w Power Supply
PowerColor TurboDuo Radeon R9 280
Seagate 600 Pro 240GB SSD
An old SATA DVD-RW that I can salvage from a 7 yr old rig
I went ahead and used PC Part Picker to pick out some parts I think I need but because I haven't tinkered with a personalized build for the past 8-9 years I might be a bit outdated, would really appreciate some advice.