Corsair Hydro Series H100i GTX good enough for OC?

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madrerik

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Making a new build and the Asus motherboard comes with a one-click OC and I'd be taking the i7-6770k and I'm wondering if the liquid cooling system mentioned in the title is good enough for the OC (first time doing OC and I worry the temperatures/voltage will skyrocket if I don't use the proper equipment).
 
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DHFF
Using the turbo feature on the motherboard wont hurt you. By being crap he means its not very efficient. Turbo just gives a light boost to your system. I have used it before with no issues. Manually adjusting your Overclock will allow you to really fine tune things and get the maximum performance. However if you are not interested in that then just use the turbo.

As to Air over water: Air requires less maintenance. They pretty much go and when they stop going you just replace the fan and off they go again. Water systems however are more intensive. If a tube springs a leak then it can damage your motherboard. That thought alone keeps me up at night and its why I almost always use Air. Water is only really needed if you are really...
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madrerik

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Hi, thanks for the fast reply. May I ask why air over water cooling? also, if the overclocking from the bios has to be done manually then I think I shouldn't overclock as I do not know how to do so manually. The motherboard I'd be getting is the ASUS ROG MAXIMUS VIII HERO which has an option for overclocking and people have reported it to be stable.
 
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DHFF

DHFF

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Using the turbo feature on the motherboard wont hurt you. By being crap he means its not very efficient. Turbo just gives a light boost to your system. I have used it before with no issues. Manually adjusting your Overclock will allow you to really fine tune things and get the maximum performance. However if you are not interested in that then just use the turbo.

As to Air over water: Air requires less maintenance. They pretty much go and when they stop going you just replace the fan and off they go again. Water systems however are more intensive. If a tube springs a leak then it can damage your motherboard. That thought alone keeps me up at night and its why I almost always use Air. Water is only really needed if you are really cranking things up.

The system I am currently on is an FX8320 that is overclocked using the turbo feature only. I have a basic CM 212 cooler and it runs just fine. Idles in the upper 30s and I cant remember the last time it went over 50c. under load.
 
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xapoc

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If you have a nice PC case with big side window, there is no reason why not to get closed loop liquid cooling system. Just because someone doesn't have it, there is no reason for you not to have it. Buy the liquid cooling apparatus and enjoy the high tech. Overclocking will be just as good, if not better in some cases.
 
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1LiquidPC

1LiquidPC

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Back to the OP's original question, yes the H100i would be just fine for 6700k OC. Shouldn't be a problem unless using excessive voltage. You should read over some Skylake OC guides to familiarize yourself with the basics. Also, I wouldn't recommend the 1-click OC either. If the presets from Asus (voltage, BCLK, Uncore, ect) don't work with your CPU and OC is unstable, you may not know where to begin to find the cause of instability. By doing manually, you can adjust one setting at a time.
 
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madrerik

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Thanks for the thorough explanation. I am not familiar with overclocking so as I said, I'd be doing it with presets from the MOBO. From what you've explained, air seems to be the better choice - just thought water cooling would of been the better option just because of the overclocking and the increase in temperatures. I read somewhere that the Asus MOBO takes the skylake to 5Ghz plus I'll be having 32gb ram and all of that and I don't know if OC would affect the ram also. Again, thanks for the reply (and all of the others who took the time to respond!)
 
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madchemist83

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Oc generally depends on cpu not mobo. Sure better mobo can provide more stable source of power through higher quality chokes and capacitors and other components but overall ceiling will be limited by cpu and voltage applied, that in its turn will increase thermal output
 
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DHFF

DHFF

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As Madchemist83 mentioned, while you need a good motherboard to support overclocking, its the CPU itself that determines the actual overclock. Not all chips are created equal either. You can purchase (10) i5-4690K chips and each one will overclock to a different speed. This is because some chips just get the luck of the draw when they are binned and have slightly better silicon then the others. I know some guys that have the FX 8320 and can push it to 5ghz. the one I can can only go up to 4.1ghz before becoming unstable. The more you push it, the more heat you will generate, that is where the heavy duty water cooling systems come into play. Generally speaking though if you are just going to hit the turbo and get a few hundred mhz push, you wont need more then a decent air cooler.

As to RAM, yes you can overclock RAM too, you can access the RAM speed through you BIOS menus and push the speed of the chips faster then their labeled ratings. check your motherboard to see what speeds it can support for the RAM.
 
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madrerik

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I see. Well, my cpu option is the i7-6700k ($554) but I see that the i7-5820k ($409) is almost $150 bucks cheaper and is a six core cpu. Would this option be better for the overclocking? -- THANK YOU both you and madchemist83 for the continuous support here replying, really appreciate it.
 
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DHFF

DHFF

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I would go the cheaper route, it is never cost effective to buy a chip when it first comes out. even with a 6 core system without over clocking it is going to be hard to push a system like that for personal use.
 
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madrerik

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I see. I'll take your word for it and I'll go with the cheaper cpu! -- I'll just go check for a good motherboard for its socket, if you can recommend me a good one for under $300, I'll greatly appreciate it!. One last question: I already have a 750w corsair psu but I was thinking about maybe upgrading to a 1000w one, is that necessary or can I stay with the 750w one? (I plan on running two gtx 980 in sli plus the aforementioned cpu/ram overclocked. Ram is the corsair 32gb 2400Mhz) oh and for that cpu, air, right?
 
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DHFF

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750 should be enough, you can plug all of your parts into Pcpartpicker.com and it should give you an estimate of how much power your system will use, I usually take that number and round up by 100w just to be on the safe side. Which Corsair power supply do you have? not all of them are reliable.
 
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madrerik

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I made the mistake of looking at Amazon.. Newegg has the Skylake listed for $360 or something like that. I haven't bought anything yet as I'm still reading about the skylake/haswell-E processors so:

-i7-6700k / i7-5820k / i7-5930k
-The best X99 MOBO I can get for $250-270
-DDR4 RAM
-GTX 980 SC
-Either air or water cooling
-Another PSU if needed

Looking into the 5930k because of the PCI-E lanes on the 5820k.

I forgot to mention in this thread that I'm upgrading from a i7-4770k.
 
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madrerik

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I have the Corsair CX750 ATX 80 plus bronze. I'll take a look at that website and see.
 
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madchemist83

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PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i7-5820K 3.3GHz 6-Core Processor ($299.99 @ Micro Center)
CPU Cooler: be quiet! Dark Rock Pro 3 67.8 CFM Fluid Dynamic Bearing CPU Cooler ($89.99 @ NCIX US)
Motherboard: Asus X99-A ATX LGA2011-3 Motherboard ($239.99 @ B&H)
Memory: Kingston HyperX Fury Black 32GB (4 x 8GB) DDR4-2666 Memory ($219.99 @ Newegg)
Video Card: EVGA GeForce GTX 980 Ti 6GB Superclocked+ ACX 2.0+ Video Card ($677.99 @ SuperBiiz)
Power Supply: Corsair AX1500i 1500W 80+ Titanium Certified Fully-Modular ATX Power Supply ($400.64 @ Amazon)
Total: $1928.59
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-09-08 11:45 EDT-0400

Is that in ur budget ?
 
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madrerik

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Yeah that's around my budget. I had it set for around $1,500 as I'd be using parts from my old PC (SSD/HDD/PSU/GPU) but then again, I'm looking to build something I won't have to upgrade in at least a few years but I could always stretch the budget a bit. I'm looking to build something for video editing, streaming, design work and gaming. Primarily gaming and design work.
 
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madrerik

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I see, thank you for your follow-up and input on the matter. I'm not entirely too sure about the 5820k because of the PCI-e lanes and the whole thing of it not being all that good if I plan on using dual GPUs.

The rest of the stuff you listed seems good, I will just have to decide which processor I'll go with.
 
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madchemist83

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Having 28 PCIe 3.0 lanes means dual GPU setups are at PCIe 3.0 x16/x8 (rather than x16/x16), and tri-GPU setups are at x8/x8/x8 (rather than x16/x16/x8). Very few PC games lose out due to having PCIe 3.0 x8 over PCIe 3.0 x16, meaning that performance should be almost identical. On paper, there should be a smaller performance difference with this setup than if the frequency had been reduced, or the fact that people would complain if there were fewer cores. Having six cores puts it above the i7-4790K in terms of market position and pricing, and the overall loss is that an i7-5820K user cannot use 4-way SLI, which is a very small minority to begin with.

The only downside to all the 28 PCIe 3.0 lanes is that there is no physical way to improve the PCIe lane situation. If the frequency was low, the user could overclock. If there were fewer cores, overclocking would also help mitigate that. Despite this, on paper it looks like that performance difference should be minimal.
 
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1LiquidPC

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5820K is just fine for 2-way SLI(using 970 SLI myself). x16/x8 is still going to be better than x8/x8 for GPU's with 4790k or even the new Skylake 6700k's uses same x8/x8 configuration. If your using PCI-E storage AND SLI/Crossfire however, the 5930k may be the better choice depending on the specific motherboards allocation of the other X4 Lanes of PCI-E 3.0.
 
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