CrazyfrogXxX

I would say to get a non integrated GPU for 4k streaming, you may get hangups or stutters, you could maybe drop the ram to 8gb and get something like a GTX 960, youll pick them up cheap because of the new 10 series release and will probably guarantee it has no problems.

Ah yes, they are a very particular market, the Audio technicas are a good choice, althought I have heard they're quality is either hit or miss, but good luck with whatever you choose.

Ah well then your best bet is the Acer X34 and the Asus MX27, very close to your budget and both very high quality moniters.

I would say either Razer Krakens or Sannheiser Game Ones I currently own the Razer Krakens, brilliant sound quality (Very Bassy) and decent quality mic, very high quality construction and customer support is very good, the only major downside is Synapse, the program required to run them, its awful. There are several versionf of the Krakens (One comes in pink) I will link both major versions below as well as the sennheiser, being sennheiser they will sound very good and the mic will be passable but I doubt there will be many problems with them. Sannheisers https://www.amazon.co.uk/Sennheiser-GAME-Acoustic-gaming-headset/dp/B00JQDOALC/ref=sr_1_1?ie=UTF8&qid=1473676745&sr=8-1&keywords=sennheiser+game+one Pink Krakens (Headpone Jack) https://www.amazon.co.uk/dp/B00KMOLZS0/ref=twister_B00OOT2ZHY?_encoding=UTF8&psc=1 Normal Krakens (USB) https://www.amazon.co.uk/Razer-Surround-Retractable-Microphone-Lighting/dp/B00MVT7BAA/ref=sr_1_1?s=computers&ie=UTF8&qid=1473677018&sr=1-1&keywords=kraken+7.1

In that case, I would simply swap out the 16:9 for a Asus MX27, brilliant moniter 1440p and an IPS display. This is still hugely under your budget so because you intend to game and will be running fairly tasking software, I would recommend putting the rest of the money towards your PC, maybe a GTX 1070? Without knowing your CPU, It would probably be good to put it that way, you have a pretty huge budget for monitors alone and spending more will be a huge waste of money for very minor gains, the only upgrade that would be noticeable is getting the X34 from Acer but that is probably overkill for your uses, that is also linked below (2nd link) https://www.amazon.com/MX27AQ-2560x1440-DisplayPort-Back-lit-Monitor/dp/B00VRKVGSC/ref=sr_1_5?s=pc&ie=UTF8&qid=1473676053&sr=1-5&keywords=IPS&refinements=p_n_feature_keywords_two_browse-bin%3A6570749011 https://www.amazon.co.uk/Acer-34-Inch-X34A-Curved-Monitor/dp/B01DOIFV12/ref=sr_1_1?s=computers&ie=UTF8&qid=1473676297&sr=1-1&keywords=x34

These are my 2 recommendations, both are from Acer, I personally own the B6 and the colours are pretty amazing, however the downsides include -Not Curved (Makes a difference on these big moniters -Not a pretty design The 16:9 moniter is IPS from Acer and although I have not personally used one, they seem to have really good reviews, both are linked below, I understand the criteria is not exact for what you want but this is my best recommendation on the budget and intended use. Also @MVPernula He never said what he was playing, a 580 could be more than enough for indie games or older games. Although if he did intend to play modern blockbusters, an upgrade would be a good idea, maybe a 1060/RX480? https://www.amazon.com/Acer-R240HY-bidx-23-8-Inch-Widescreen/dp/B0148NNKTC/ref=sr_1_1?ie=UTF8&qid=1473675310&sr=8-1&keywords=acer+monitor https://www.amazon.com/Acer-UM-CB6AA-004-Screen-LED-Lit-Monitor/dp/B0174X4EWK/ref=sr_1_5?ie=UTF8&qid=1473675335&sr=8-5&keywords=acer+ultrawide

Ah yes, but I presume this is for gaming? RAM speed will make very little impact for gaming, unless the PC is for design work? https://www.amazon.com/EVGA-LGA-1151-3200mHz-Motherboard-140-SS-E177-KR/dp/B013ALA6T0/ref=sr_1_19?s=pc&ie=UTF8&qid=1473674631&sr=1-19&keywords=1151+motherboard Perhaps that if you wanted the RAM speed?

They should have room, I fit a bigger CPU cooler in the H440 case for a friend, they are much bigger than you think. It will probably be close in whatever configuration but you should have room. In terms of RAM, I would recommend the Corsairs, RAM (For gaming) isn't a big deal and you're looking at both 8gb configurations and Corsair are a fairly reliable brand. The motherboard is really good, but maybe you could find better for that price? https://www.amazon.com/MSI-Skylake-B150-Motherboard-M3/dp/B014YN6732/ref=sr_1_2?s=pc&ie=UTF8&qid=1473674631&sr=1-2&keywords=1151+motherboard Maybe that one^^? It is cheaper and will give the same performance Good luck on the build.

I had a Gigabyte windforce 970 (Now got MSI 1070) and the cooler on it was surprisingly good, this is assuming it is mostly the same I would think they are just as good as the EVGA variant, I remember it being pretty quiet whilst idle and having some very good performance when under load. But ultimately there isnt THAT much difference between the brands. I personally would recommend getting one of the major brands and then just picking the one you like the look of the most. Dont get an unknown brand.