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Thread: proposed i7 build advice

  1. #17
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    Re: proposed i7 build advice

    When new, Noctua fans are excellent. However, whether they stay quiet is another matter. Their 'noise reliability' is very poor, all the ones I've had developed a relatively quiet, but annoying high pitched whine after a couple of weeks, something SilentPCReview criticised them for.
    I care a great deal about quietness, and thus pick the smoothest and least irritating system before I go by decibel count. In this case, this is Scythe.

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    Re: proposed i7 build advice

    Quote Originally Posted by sammorris View Post
    If you run Seagates and Samsungs, especially six of them, what you'll find is you'll get a lot of the 120Hz vibration innate to 7200rpm hard drives (7200 per minute = 120 per second), as Samsungs and Seagates vibrate more than other drives. If this proves to be a problem you should consider suspension.
    thanks for the advice

    if it is a major issue i cud try palming the hdds off on ppl, i thought spinpoints and seagates were good? silence is an issue for me. spec wise i was looking at the following:

    i7 920 no ovc
    Gigabyte GA-EX58-UD5 mobo - has esata and 10 sata ports
    6gb ram
    sony bluray rw
    ati passive 4550
    Zalman ZM600-HP Heatpipe Cooled 600W Modular PSU
    cooler was lookin at the thermalright ultra 120 extreme or a noctua
    case silverstone fortress is probable.

    i am happy to be proved wrong on any bits

    glad of the help, spec away !


    Ally

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    Re: proposed i7 build advice

    Samsungs have good airborne (well, they used to, the F1s are mediocre for it) and good seek noise, but very poor vibration (the 120Hz hum), Seagates have good airborne, but poor seek noise (especially older ones, 7200.10 and prior) and also very poor vibration. WD drives exhibit vibration anywhere from mediocre (older Caviar SE16s) to excellent vibration (oldest S-ATA drives, new Caviar Blue and Green range including WD6400AAKS), have seek noise from good (older Caviar SE16s & oldest S-ATA drives) to excellent (Caviar Blue range) or outstanding (Greenpower), and airborne noise has been excellent since anything but the oldest S-ATA drives, and again, is outstanding in the case of the Greenpowers. Most of the Eco drives (EcoGreen, GreenPower and whatever the other one is called) are good performers for noise, but WDs are the best, and the WDs also tend to perform the best of the eco drives, not to mention running cooler than any other drive out there.

    You've made a good choice with passive graphics (assuming you're no gamer, the HD4550 is very weak), and the PSU is good, while unexemplary for quietness (the ZM600 and ZM750 are middle of the road units, bested by any Corsair except the 1KW) is certainly reasonable.
    The TRUE is an excellent cooler for the job, and I would recommend using a Scythe, Nexus or Xilence fan with it. I haven't tested Thermalright's own fans yet, but I've tried most other brands, and these three seem the best.

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    Re: proposed i7 build advice

    Quote Originally Posted by sammorris View Post
    When new, Noctua fans are excellent. However, whether they stay quiet is another matter. Their 'noise reliability' is very poor, all the ones I've had developed a relatively quiet, but annoying high pitched whine after a couple of weeks, something SilentPCReview criticised them for.
    I care a great deal about quietness, and thus pick the smoothest and least irritating system before I go by decibel count. In this case, this is Scythe.
    Cheers for that, not something I was aware of. I haven't been able to find the 'whine' complaints on SPCR as of yet, but I'm looking at their 120mm Fan Round-Up now.

    I'm not just being difficult by the way, I'm quite interested in quietening down my system 'at some unknown point in the future', and I was under the impression that the Noctua fans were the best to buy - looking now though, I'm finding a fair bit of criticism for them. Which particular S-Flex do you recommend?

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    Re: proposed i7 build advice

    I have been using a Noctua NFB9 92mm fan on my Shuttle ICE CPU cooler as an intake fan and so far I have not noticed any whining with this specific fan. I have had it the last four months.

    With the Noctua fans you have to be careful with which model you get as some of them are not that great for use on heatsinks(something to do with a large drop in performance if the airflow is impeded).

    The Sharkoon Silent Eagle SE PWM fan does look interesting though:

    http://www.sharkoon.com/html/produkt.../index_en.html

    http://www.scan.co.uk/search.aspx?q=sharkoo+se+silent+

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    Re: proposed i7 build advice

    The whine complaint is in the main fan roundup somewhere, I forget whether it's in the main section or if it was added afterwards. Having tried several hundred pounds of silencing gear looking for the quietest stuff, I can safely say Nexus and Scythe have it over Noctua. Contrary to the blurb, even when not obstructed, the Noctua design, whilst excellent for airflow and low 7*R frequencies (the hum fans always generate when not vibrating) the air turbulence noise leaves a lot to be desired, before we consider the whine (550Hz). It's worth pointing out that this issue only affects Noctua's 120mm fans, and possibly only the 7-blade ones, not the P series (though I can't confirm the latter - I do know 80 and 92mm fans are unaffected by the whine)

    My favoured S-Flex is the SFF21E for all round airflow for reasonably good noise levels, SFF21F for all possibilities (Needs a fan controller to drop down from high speed), or the SFF21D for utter silence without a fan controller being necessary. There's never any need for an SFF21G unless you're trying to cool something HOT.

    I'm interested in Sharkoon fans, mainly because they're one of very few people who make a decent aftermarket 140mm fan without LEDs in it, which I want for my HAF to replace the frankly naff Coolermaster.

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    Re: proposed i7 build advice

    It would be nice if there was an extensive review of the newer 80mm and 92mm fans out there TBH.

    I wonder if the Scythe, Nexus or Xilence 80mm and 92mm fans will be better than the existing NFB9 and SE2000 fans for noise I use on my ICE heatsink??

    Would have gone for the Silent Eagle SE PWM but it only comes in 80mm and 120mm versions.

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    Re: proposed i7 build advice

    SilentPCReview
    They're not that new, but they still cover some of the best fans out there in my experience.
    The main problem with smaller fans is they have high levels of vibration, so when they're mounted to anything but a nice sturdy, heavy steel case, they cause all sorts of complex acoustics.

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  11. #25
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    Re: proposed i7 build advice

    Hmm, the Slipstreams look quite tempting, I have to say. Excellent performance according to SPCR, and a lot cheaper than the nearly-equivalent S-Flexes. Only downside is that I'd have to get them from Overclockers, but considering the number of problems I've had with Scan RMAs recently I shouldn't be slagging off OCUK, especially seeing as they've never given me any problems.

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    Re: proposed i7 build advice

    Hmm I have heard of issues with Scan for returns, but I have issues even buying stuff from OcUK, let alone returning it (Had trouble there too). Just sent something off today to Ebuyer (X48-DS5, faulty PCIe controller), Citylink "ninja-carded" me as the expression is apparently called...

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    Re: proposed i7 build advice

    Yeah, I've suffered serious injuries trying to get to the door in time before City-Link can escape, including hitting my forehead on a doorframe. That hurt, quite a lot actually.

    Mind you, the postman puts stuff in the dustbins, so maybe City-Link aren't so bad after all.

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    Re: proposed i7 build advice

    Quote Originally Posted by sammorris View Post
    SilentPCReview
    They're not that new, but they still cover some of the best fans out there in my experience.
    The main problem with smaller fans is they have high levels of vibration, so when they're mounted to anything but a nice sturdy, heavy steel case, they cause all sorts of complex acoustics.
    I try to isolate the fans and not mount them directly to the frame. However I also try different combinations of fans so I can get the overall sound characteristics I find acceptable. Having a Shuttle SFF means that you are limited to 80mm and 92mm fans so it would be nice if SilentPCReview updated their 80mm fan reviews with some of the newer contenders though. Perhaps at some point I may need to buy some of the better regarded fans and try them out. I suppose this is the only way I can be sure - no easy way out!

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    Re: proposed i7 build advice

    Haha yeah I've fallen down the stairs before doing that

    Check the SPCR forums for newer stuff they haven't done on the site. They're presumably due an update as they haven't done a fan roundup in their new Anechoic chamber yet.

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    Re: proposed i7 build advice

    I would rather wait for a controlled review TBH as it would be nice to know how the fans compare with each other in direct comparison!

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    Re: proposed i7 build advice

    There are a few basic trends that get you by: Cheap fans (Coolermaster, Thermaltake) are at the bottom of the pile. Midway trends like Antec and Silverstone in the middle, then bespoke cooling brands like Scythe, Nexus, Noctua, Xigmatek at the top.

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    Re: proposed i7 build advice

    Quote Originally Posted by sammorris View Post
    There are a few basic trends that get you by: Cheap fans (Coolermaster, Thermaltake) are at the bottom of the pile. Midway trends like Antec and Silverstone in the middle, then bespoke cooling brands like Scythe, Nexus, Noctua, Xigmatek at the top.
    I agree but with the better 80mm and 92mm fans costing £10+ I would like to have an idea of how they compare directly as different people use different review methods and criteria(unless I get a consensus of course). I may try those Scythe fans though.

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