Dell T5500

Hi guys, I have a Dell T5500 which is driving me nuts. I'm looking for options to speed it up without breaking the bank. I'm especially interested if it's possible to speed it up enough to be able to edit 4K videos. If I replace the video card with this one: XFX Radeon RX 570 RS XXX Edition...

Hi guys, I have a Dell T5500 which needs some upgrading so it would be able to handle editing 4K videos with ease. My current specs are: 2x Intel Xeon x5670 @2.93 GHz 72Gb of Ram Dell motherboard (not sure which one: BaseBoard Product 0CRH6C) GeForce GTX 750 Ti, NVIDIA compatible Dell...