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United Kingdom20335 Posts
Having ~3000c15 RAM would still help. 2133c15 ddr4 is like buying 1333c9 ddr3 when it's available at 1600-1866c9
OC'd 6600k would be better all around than a stock 4790k - if both were OC'd, it'd be a slight encoding speed lead for the 4790k (5%, assuming 6600k is clocked 100mhz higher) but i'd expect the 6600k to be better overall for gaming
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Something else that you might want to consider with a high powered GPU and OC CPU - The air 540 (and almost all cases, really) doesn't come with fans to fill all of the fan spots. The default config i think actually varies slightly depending on which color case you get, but it should be ~3x 140mm fans oriented with 1 exhaust rear, two front intake.
I moved the two 140mm front intakes to top intake, then bought 3 new fans (120mm) for the front 3 slots to improve case airflow. If you do that, you also need to consider which fans to buy and how you will power/control them, because you'd have up to six fans on the case and at least one on the CPU cooler. I have 3 case fans and 2 CPU cooler fans on my motherboard - with a few PWM y-splitters - and my 3 front fans are plugged into the PSU with a molex to 3x 3-pin fan adapter, though they have no RPM control that way.
If you're intaking like that, it's good to have decent high pressure fans at the front as a metal grill and dust filter stops a surprising amount of airflow at low fan speeds - having the option to use either quiet fan RPM's or spin them up to some setting that will keep the case really cool even with everything at full load for any period of time is nice, though somewhat difficult to set up.
You can google how to make a basic+cheap dust filter (i've heard it's pretty easy) to cover top intake fans, too, that will just stop dust from getting in the case that way so it has to be cleaned out much less often and that cleaning is more effortless when done (cleaning a filter is easier than cleaning everything). You can still use extra fans without doing that, but intaking from the top is quite a good option and there is no top dust filter by default (only front)
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Even in stock config air540 is a pretty excellent case, you can ignore above in the lines if you want - it's just optional further improvement
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Being able to get 3000c15 ram for 170cad.. I'm jealous. New build looks a lot better, that is if you do overclock (which you should with that cooler&case). If you're definitely not overclocking I'll stand by that 4790k is a better option(and 6700k even more so).
And adding to the fan discussion I'm a pretty big fan(pun intended) of having an outtake at the top of the case as well resulting in 4 total but it's not necessary. I've actually looked at the air540 a few times wishing to transfer my stuff into one.. Someday.. 
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United Kingdom20335 Posts
Well, the logic goes like this:
1; It's better to have positive pressure
2; You either have 3x 140mm, 3x 120mm - or 5x 140mm because the front takes 2x140mm or 3x120mm
It's pretty tricky to get a good config with solid positive pressure - running three exhaust, no matter the config, is too much. There's not enough air being taken in to feed them.
You could run two exhaust, but you never want an exhaust side by side with an intake. They create low/high pressure zones around them and endlessly feed into each other, wasting most of their airflow. That makes it awkward to run one intake one exhaust at either the top or front and there's not really anywhere else that you can put one 
It's effective to just have 5 intake and 1 exhaust - the case is very open anyway, lots of open mesh, holes and you can take out pci-e slot covers. The ratio seems pretty off at first but particularly at low speeds, even 2:1 or 3:1 intake to exhaust won't create a high amount of positive pressure. I've tried a few configs though not with a temperature probe and a spreadsheet, i'm much happier with current setup than other stuff and talked quite a bit about it on several forums before trying it like this
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Ya I have no experience with a case like the air540, I saw a drop in temperatures when adding a 140mm outtake at the top of my case in addition to the 2 intake(lower front) with 1 outtake (upper back). So 2:2 in my case seemed to work best in the Fractal Design R3 which is more of a standard mid-tower design.
I'd say traditionally the most popular setup is 2 intake front with 1 outtake back. But it's probably not optimal in most cases and this is what most decent ones ship with stock. If I had the air540 I'd probably get too excited about all the fan slots not to fill them all up in one way or another. =)
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Blazinghand
United States25560 Posts
On my Thor V2 there's two exhaust fans: a 120mm and a ~200 mm on the back and top. It has intake on the side and on the front, both about 200 mm. I added a 140mm intake on the bottom and I'm still not sure I'm getting enough positive pressure, with 3:2. The good news is the airflow is good enough but with all the holes in the case I ideally want a bit more positive pressure to keep dust out. Might end up changing the configuration of the side fan or set the frontpanel fan controller to spin the intake fans faster. It's hard to judge these things
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United Kingdom20335 Posts
@Firkraag adding more fans generally improves temps, it's just that going 2:1 intake exhaust to 2:2 would give you a harder time controlling dust. Air that hasn't been through a dust filter would come in from random holes/gaps in your case etc to them go through your cpu/gpu coolers and exhausts, while if you run positive pressure and dust filter all of your intakes, no air will go into your system that hasn't been through a filter.
Roughly equal pressure, a bit negative isn't that bad but is probably suboptimal long-term. I would never ever run strong negative pressure again after some short term experiments (so much dust caked onto my cpu heatsink i had to take it off completely, take it outside and take a vacuum and a lot of liquid to it in order to clean it out)
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@Cyro, I'm guessing you can't get enough positive air pressure from just the front fans (2x 140 or 3x120) to stop dust coming in from the top?
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Good thing then that the only non-dustfiltered holes are right infront of my exhaust fans. Otherwise it's pretty airtight with filters and what not. Fractal R3 is good like that. At least from my experience I'm seeing minimal dust buildup inside the case with this setup!
That is good to know though.. I'll definitely not get the urge to get a third exhaust fan. =)
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United Kingdom20335 Posts
On August 23 2015 14:57 Errol wrote:
@Cyro, I'm guessing you can't get enough positive air pressure from just the front fans (2x 140 or 3x120) to stop dust coming in from the top?
It'd be fine with the default 2x140mm intake, 1x 140mm exhaust; it's mainly when adding fans that you want to add intakes and dust filter them
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Ah, that makes sense. Thanks for all of the detailed help, I'll go with the default fan setup but it was very interesting and I might mess around with the fans later on. I'll OC but nothing crazy... firkraag would send me mean looks if I didn't!
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Good luck Errol, you'll probably be fine without OC. But with that noctua it's good to know that you'll have an easy time when you need to. Only reason I mentioned it is because the 6600k at stock is quite a bit slower in games than the 4790k that you initially considered but likely has the potential to exceed it when overclocked.
I should OC too, but I haven't gotten around to it. Anyone who knows what's a good temperature to stop at for Skylake in a 24/7 system? I'm at 28 idle and 53 load unclocked which feels like it should leave room for at least a moderate OC.
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I have two fans, exhaust fan sit back/top and intake fan sits in front/bottom. Since I cant chose the rpm (BIOS), the intake is off. pretty loud if both runs at 1800rpm. I only can select my cpu-fan speed between 200 and 1800rpm, it runs at 1100rpm.
I took off my exhaust fan one time, my pc was like a "silent-pc". I dont know if without fans is possible.
I don't understand SpeedFan and BIOS doesn't do what I want. I do have an External Fan Controller but I have no clue how to plug it.
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skylake is weird a bit though
i booted up my system with i5 6600k and it gave me 19°C idle temps on one of the cores
with 23°C ambient
so i'm a bit bewildered
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On August 24 2015 05:07 Incognoto wrote:
skylake is weird a bit though
i booted up my system with i5 6600k and it gave me 19°C idle temps on one of the cores
with 23°C ambient
so i'm a bit bewildered
Sounds like your temp sensor is borked.
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United Kingdom20335 Posts
temp sensors are designed to be the most accurate around 90-100c because that's where it matters
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Try the latest HWMonitor, it seems to work well to detect my temperatures with Skylake.
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United Kingdom20335 Posts
hwinfo is usually better than hardwaremonitor, also the sensors that show up in software will depend on the motherboard
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Well in this case I'm pretty sure HWMonitor reports my correct temperatures, having Skylake and all myself I just thought he should try it. It worked well for my old 3570k as well but If it's an issue with his motherboard I have no clue.
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United Kingdom20335 Posts
It's good, hwinfo is just an awesome program
Those with unlocked skylake, how is overclocking going? :D
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Mine should come at the latest on friday. Going to post something then :D
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