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Thread: Stock i5 Ivy Bridge Cooling

  1. #17
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    • dacads's system
      • Motherboard:
      • MSI Z77 MPower
      • CPU:
      • i5 3570k
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    Re: Stock i5 Ivy Bridge Cooling

    If you bothered reading other threads here then you would know bit-tech don't have a good reputation here..so as far as I'm concerned there results don't matter as they can't be trusted.So it's fair to say you're the one that needs to be doing some reading..

    Also what nonsense are you talking about fans, I have an xilence rated at 20 cfm which blows air that you can feel and also other various fans that aren't 60 CFM but you can feel the air been moved..

    So I'm not sure where you're gathering your thoughts from but I suggest you gain some real knowledge before you provide information because at the moment it's inaccurate.
    Last edited by dacads; 13-09-2012 at 09:05 PM.

  2. #18
    Fjo
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    • Fjo's system
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    Re: Stock i5 Ivy Bridge Cooling

    I get what you're saying najiro but Bit-Tech seem to be the only major review site with a problem, and that's with the standard cooling - where there's a neutral pressure within the case (65cfm in, 65cfm out).
    A 120mm fan at 1200-2000rpm will move between 40cfm and 75cfm (give or take, depending on the manufacturer and quality). What you feel by holding your hand by a fan is the air velocity, which is only any good for determining whether the fan is running at all - it has little to do with the effectiveness by itself because there are more factors at work.
    By putting an extra 120mm fan at the back for exhaust, the Survivor will operate at approx. 65cfm in, and approx. 65+60=125cfm out. This creates a negative pressure that's effective at expelling warm air from the case. Not only that, but by having no side opening (yes, there's no further in or out movement of air, but) the negative pressure effect is strengthened because of a minor wind-tunnel effect (assuming limited obstruction by cables/drives, and a bottom mounted PSU drawing air from outside and keeping to itself): straight in at the front-base, with a negative pressure exhausting at the back-top and no leakage at the sides.
    BitFenix should really have supplied the 120mm exhaust, as without it you're quite right that the cooling isn't particularly great.
    With the negative pressure effect though, and adequate cooling fitted to the CPU and GPU, nothing should get too toasty. Had Bit-Tech fitted an extra exhaust, the results would have been better - still likely not the best in their comparative list, but pretty good compared to most alternatives. Much quieter too.
    All the cases in that Bit-Tech review are high-end as well, chosen because their cooling results are good and all are more expensive than the Survivor (i got it for ~£58), or not stocked by Scan (mine is a 3XS build).
    I think i could have done worse, and i have a budget.

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