Your PC will need a graphics card thats as powerful as a GeForce GTX 970 4GB/Radeon R9 290 and it should be paired with either a FX-8350/Core i7-3770 4-Core 3.4GHz CPU to match the Quake recommended system specs. This PC setup will deliver 60 Frames Per Second on High graphics settings on 1080p monitor resolution. System memory required for Quake is 8 GB performance memory. Taking a look at the min reqs you will require a Radeon HD 7870 graphics card with a Core i5-2400 3.1GHz or FX-8320 processor to reach the minimum Quake specs, run on low graphics setting and 720p. You should also have 8 GB system memory for min specs. You will require a DirectX 11.00 GPU. Recommended needs around a 8 year old PC to run.