How do I know which graphics card is compatible?

To make sure a new graphics card will work with PC, you’ll need:PCIe x16 slot on your motherboard.Adequate clearance space in your case.Power supply with both 8- and 6-pin PCIe Graphics (PEG) connectors.CPU and RAM that are fast enough not to be a huge bottleneck.

Is 32gb RAM enough for gaming?

In general, yes. The only real reason an average user would need 32GB is for future proofing. As far as just simply gaming goes, 16GB is plenty, and really, you can get by just fine with 8GB. In a handful of gaming performance tests, Techspot found basically no difference between 8GB and 16GB in terms of framerate.

What is overkill in RAM?

@epleh13: overkill is term used on everything, when you bring something too powerful for a certain situations. Example: someone bought a 16Gb RAM, i7 and GTX1080 to play Terraria, a game that requires only 200$ machine which has low graphics requirements.

How much RAM do I need to stream?

To stream games at HD 720p or 1080p, 16GB RAM is enough for you. This applies to both single and dedicated streaming PCs. 16GB RAM is adequate to run more graphic intensive PC games too, along with HD live streaming. Streaming games at 4K requires more power, and 32 Gigabytes of RAM should be more than enough.

What specs do I need to stream?

A good computer As far as specs go, Twitch recommends having at least an Intel Core i5-4670 processor (or its AMD equivalent), 8GB of RAM and Windows 7 or newer.