A:AnswerHi,
I'm afraid none until you build a system inside it, this is just the computer case.
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A:AnswerIt depends on your setup really. It depends more on the gpu and the cooler for the answer to that. You do have two fans in the front which provide decent air flow. But if you want a little bit more space for a custom water cooling loop I’d reccomend you step it up to a Corsair 570x. It has much air flow and looks much better. I own both and both work well with warm gpu and cpu’s. If you have a aio just place it up on the top and you’ll be fine. If you have an Asus Strix card don’t even worry about temps. If you have something like an msi armor then the glass panels tend to warm up a bit. If you have a reference card you’ll be fine
A:AnswerThis is a pc case not a pre built computer. It will run a game depending on what you have installed. The better the gpu the better the fps. The better the storage the faster the boot up times etc. it all depends on what you decide to install
A:AnswerH100i will fit on the top set up as either push or pull. Clearance issues might come in with the ram but low profile Corsair ram fits that AIO just fine. I wouldn’t set it up on the front but I have one set up on the top as exhaust. So the Max is a 240mm