Search found 71 matches

by Hrafn
Fri Mar 01, 2019 7:24 pm
Forum: Fans and Control
Topic: High Pressure 80mm fans
Replies: 4
Views: 6418

Re: High Pressure 80mm fans

Couldn't find a fan. But maybe you could stack two of those Noctua fans? It doubles the pressure(4.74 mmH2O) and you should get something like 21 dB(A). I saw a lengthy thread on that idea over on overclock.net, and the consensus was that, unless you could find counter-rotating fans, or place an ai...
by Hrafn
Mon Jan 28, 2019 7:28 pm
Forum: Cases and Damping
Topic: Riotoro Morpheus GPX-100
Replies: 1
Views: 5596

Riotoro Morpheus GPX-100

I saw this reviewed on Tom's Hardware. They put a watercooler in it, but given that it features "large ventilation holes on all six sides", it occurred to me that it might be suitable for a completely fanless build.
by Hrafn
Sat Nov 03, 2018 6:28 pm
Forum: System Advice / Troubleshooting
Topic: Quietest case in 2018 for $150 or less?
Replies: 2
Views: 5328

Re: Quietest case in 2018 for $150 or less?

There's also Fractal's Define C and Define Mini C, if you want something a bit bigger than the Nano S, but still smaller than the R5/R6.
by Hrafn
Wed Oct 24, 2018 7:07 pm
Forum: Off Topic
Topic: is silentpcreview.com ever coming back?
Replies: 5
Views: 8327

Re: is silentpcreview.com ever coming back?

If no further SPCR reviews are forthcoming, would it be worthwhile turning this site into a curated portal/directory for quality external silent-PC-related hardware reviews and commentary (assuming that such doesn't already exist)? We are doing this, in this forum. On video cards, in particular. Ye...
by Hrafn
Sat Oct 20, 2018 6:58 pm
Forum: Off Topic
Topic: is silentpcreview.com ever coming back?
Replies: 5
Views: 8327

Re: is silentpcreview.com ever coming back?

If no further SPCR reviews are forthcoming, would it be worthwhile turning this site into a curated portal/directory for quality external silent-PC-related hardware reviews and commentary (assuming that such doesn't already exist)?
by Hrafn
Fri Jul 27, 2018 12:09 am
Forum: CPU Cooling
Topic: Kotetsu vs Kotetsu Mark II fan clip compatibility
Replies: 0
Views: 12533

Kotetsu vs Kotetsu Mark II fan clip compatibility

I'm looking at putting together a new build in the next month or so. For the CPU cooler, I am looking at the heatsink from either the Kotetsu , or its successor the Mark II (which are virtually identical except for their fans), in combination with either Noctua's NF-A12x25 PWM or Phantek's announced...
by Hrafn
Sat Jun 23, 2018 10:16 pm
Forum: System Advice / Troubleshooting
Topic: Define C: 120mm vs 140mm intake
Replies: 27
Views: 14206

Re: Define C: 120mm vs 140mm intake

Thinking about it further, given that the bottom fan of a 3x120mm stack is more obstructed than the upper two, wouldn't that mean that it would produce more turbulence and thus noise at a given rpm than the others, and that to minimise noise for a given airflow, you should run it at a lower rpm than...
by Hrafn
Fri Jun 22, 2018 6:43 am
Forum: Fans and Control
Topic: New noctua 120mm PWM fan, NF-A12x25 the GT Clone
Replies: 95
Views: 61738

Re: New noctua 120mm PWM fan, NF-A12x25 the GT Clone

Noctua has released a LGA3647 version of the updated U12S featuring this fan in push-pull ($99.90 from Amazon).

In other news, US sellers seem to have sold out of the PWM version of this fan at MSRP (a third party on Amazon is selling it, for the desperate, at $89.99).
by Hrafn
Tue Jun 19, 2018 3:11 am
Forum: Fans and Control
Topic: New noctua 120mm PWM fan, NF-A12x25 the GT Clone
Replies: 95
Views: 61738

Re: New noctua 120mm PWM fan, NF-A12x25 the GT Clone

I have a Mugen5 on the way home, im going to test on an open bench the stock glidestream on it, the NF-A12x25 and NF-P12 REDUX PWM, a Noiseblocker Eloop 120mm PWM PS, a Darkside 1850PWM, its kinda like a gentle typhoon but pwm, not sure if i still have an GT AP15 still (im almost sure i gave my las...
by Hrafn
Mon Jun 18, 2018 9:01 am
Forum: System Advice / Troubleshooting
Topic: Define C: 120mm vs 140mm intake
Replies: 27
Views: 14206

Re: Define C: 120mm vs 140mm intake

It's not that bad. A standard ATX PSU is 14 cm long. The drive cage use ~10 cm and a front fan 2.5 cm. Totally 26.5 cm. That leave about 10 cm to split between cable compartment and distance between front fan and drive cage. 1) ATX PSUs of greater than 'standard' length are very common. 14cm is is ...
by Hrafn
Mon Jun 11, 2018 12:56 am
Forum: System Advice / Troubleshooting
Topic: Define C: 120mm vs 140mm intake
Replies: 27
Views: 14206

Re: Define C: 120mm vs 140mm intake

You remove the hatch and move the drive cage to the rearward location. Then the airflow will blow onto the drive cage and be deflected upwards. The exhaust fans help steering the flow from there. 1) Diagram 1 of p8 would appear to indicate that there's not a great deal of room between the drive cag...
by Hrafn
Fri Jun 08, 2018 7:20 am
Forum: System Advice / Troubleshooting
Topic: Define C: 120mm vs 140mm intake
Replies: 27
Views: 14206

Re: Define C: 120mm vs 140mm intake

Olle P: 1) The air resistance from (i) the Drive Cage, (ii) the PSU & (iii) the small size of the vents above the PSU would mean that virtually no air would get from the lower chamber to the upper chamber in order to cool "other stuff", with the hatch in place. 2) In most modern builds, HDDs are (i)...
by Hrafn
Thu Jun 07, 2018 6:16 am
Forum: System Advice / Troubleshooting
Topic: Define C: 120mm vs 140mm intake
Replies: 27
Views: 14206

Re: Define C: 120mm vs 140mm intake

1. It will help cooling any HDDs mounted at the bottom intake. How much heat do a couple of HDDs produce compared with a CPU + GPU? Is allocating nearly one third of your air intake to cooling them effective use of your fans' output? 2. There's a hatch in the top of the shroud that you can remove t...
by Hrafn
Wed Jun 06, 2018 10:35 am
Forum: CPU Cooling
Topic: noktua nh-d15s vs nh-u14s
Replies: 39
Views: 15726

Re: noktua nh-d15s vs nh-u14s

Just watch out for the newer plastic washers for LGA1151 (don't use them, otherwise the CPU contact will lessen and will result in higher temperatures). I presume you are talking about the washers that go under the 'stud nut' spacers on the original Kotetsu, not the plastic spacers on the Kotetsu M...
by Hrafn
Wed Jun 06, 2018 2:47 am
Forum: Fans and Control
Topic: New noctua 120mm PWM fan, NF-A12x25 the GT Clone
Replies: 95
Views: 61738

Re: New noctua 120mm PWM fan, NF-A12x25 the GT Clone

It looks like the NF-A12x25 may be getting some competition: Phanteks showed off its yet to be named upcoming lineup of fan prototypes with an enhanced "multi-faceted" blade design. These blades, made of fiberglass, work to minimize the bulk of the noise caused by the whiplash. Inspired by vortex-da...
by Hrafn
Tue Jun 05, 2018 7:51 pm
Forum: Fans and Control
Topic: New noctua 120mm PWM fan, NF-A12x25 the GT Clone
Replies: 95
Views: 61738

Re: New noctua 120mm PWM fan, NF-A12x25 the GT Clone

English-language video coverage of the Noctua booth. Sounds like there will be a fair wait for the new NH-U12 (though U14-equivalent performance is pretty good and the predicted $100 pricetag isn't quite as bad as expected -- though given that the U14S+2nd fan is around $85, perhaps not that great)...
by Hrafn
Tue Jun 05, 2018 9:11 am
Forum: Fans and Control
Topic: New noctua 120mm PWM fan, NF-A12x25 the GT Clone
Replies: 95
Views: 61738

Re: New noctua 120mm PWM fan, NF-A12x25 the GT Clone

This (German) video of Noctua at Computex 2018 shows a poster on the background which states: * 5th generation of the award-winning NH-U12 series * 7 heatpipes and 37% more surface area compared to NH-U12S * Two state-of-the-art NF-A12X25 120mm fans in push/pull dual configuration * 140mm class per...
by Hrafn
Tue Jun 05, 2018 2:41 am
Forum: System Advice / Troubleshooting
Topic: Define C: 120mm vs 140mm intake
Replies: 27
Views: 14206

Re: Define C: 120mm vs 140mm intake

Q: Why are you comparing 2 fans to 3? Because we are doing whole system testing. 2–140/3–120 is becoming a common fan layout in cases, so it makes sense to compare how other people would setup their cases to maximize airflow. I'm trying to decrypt what these results will mean for the Define Mini C....
by Hrafn
Sat Jun 02, 2018 4:22 am
Forum: Fans and Control
Topic: New noctua 120mm PWM fan, NF-A12x25 the GT Clone
Replies: 95
Views: 61738

Re: New noctua 120mm PWM fan, NF-A12x25 the GT Clone

If I were looking for an alternative to the Noctua cooler number one on my list would be the Scythe Mugen 5. In part because the newer Scythes have an excellent mounting system, arguably as good as Thermalright. A lot depends on prices in your particular location. In the UK the Mugen 5 and Thermalr...
by Hrafn
Fri Jun 01, 2018 11:01 pm
Forum: Fans and Control
Topic: New noctua 120mm PWM fan, NF-A12x25 the GT Clone
Replies: 95
Views: 61738

Re: New noctua 120mm PWM fan, NF-A12x25 the GT Clone

A potential issue with the A12x25 is the corner design. It is maybe best described as semi-closed which might cause issues with coolers that use clips that fix to the back of the fan. However since the True Spirit 120 Direct uses a front mounting I don't see any problems. Yes, that was one of the r...
by Hrafn
Fri Jun 01, 2018 11:20 am
Forum: Fans and Control
Topic: New noctua 120mm PWM fan, NF-A12x25 the GT Clone
Replies: 95
Views: 61738

Re: New noctua 120mm PWM fan, NF-A12x25 the GT Clone

But there seems to be no significant difference between the two at 800 rpm or less. The review states "The noise value when the power is off is 33 to 35 dB" which would seem to indicate that below 800rpm the testing setup is unable to distinguish sound levels versus background noise. I'd be very in...
by Hrafn
Tue May 29, 2018 9:24 am
Forum: Fans and Control
Topic: New noctua 120mm PWM fan, NF-A12x25 the GT Clone
Replies: 95
Views: 61738

Re: New noctua 120mm PWM fan, NF-A12x25 the GT Clone

I seem to remember reading somewhere that a Noctua rep stated that a 140mm version would require reworking the design more or less from scratch. So it seems unlikely that a 140mm version is imminent.
by Hrafn
Tue May 29, 2018 9:20 am
Forum: System Advice / Troubleshooting
Topic: Define C: 120mm vs 140mm intake
Replies: 27
Views: 14206

Re: Define C: 120mm vs 140mm intake

It looks like a 140 in the topmost position would be all but unobstructed, but a second one under it would at very least have that 2nd horizontal "bar" plus the corners encroaching on its aperture a little bit. Nitpicking to be sure, but if using the filter (which I plan to) ever square millimeter ...
by Hrafn
Mon May 28, 2018 11:09 am
Forum: System Advice / Troubleshooting
Topic: Define C: 120mm vs 140mm intake
Replies: 27
Views: 14206

Re: Define C: 120mm vs 140mm intake

3 x 120 or 2 x 140 on the front intake....opinions? Normally I'd think the 140s but the way the case's front steel has been stamped it looks like they wouldnt have total open-aperture awesomeness (unless you dig out the Dremmel and start pruning). These photos seem to indicate that any obstruction ...
by Hrafn
Wed May 23, 2018 5:52 am
Forum: Fans and Control
Topic: New noctua 120mm PWM fan, NF-A12x25 the GT Clone
Replies: 95
Views: 61738

Re: New noctua 120mm PWM fan, NF-A12x25 the GT Clone

So, the NF-F12 has a higher static pressure but a lower air flow, whereas the NF-S12A has a lower static pressure but a higher air flow? And the NF-A12x25 is somewhere in between? More accurate to say that the NF-A12x25 is superior to both , except at the extremes of very high static pressure or ai...
by Hrafn
Tue May 22, 2018 11:49 pm
Forum: Fans and Control
Topic: New noctua 120mm PWM fan, NF-A12x25 the GT Clone
Replies: 95
Views: 61738

Re: New noctua 120mm PWM fan, NF-A12x25 the GT Clone

What is the difference between static pressure and airflow? Which is better for coolers? "Static pressure" is how good the fan is for pushing air against resistance (e.g. filters, coolers or radiators), "airflow" how much air it can push unobstructed. Both are needed for an air cooler. See this gra...
by Hrafn
Tue May 22, 2018 10:15 am
Forum: Cases and Damping
Topic: Fractal Design Define Mini C question
Replies: 19
Views: 11378

Re: Fractal Design Define Mini C question

Aren't a number of 'micro-ATX' MBs, particularly those with only two DIMM slots, narrower than standard (essentially being Flex-ATX, even if they aren't listed as such)? (I can remember running into some when I was comparing for my last build.) Might that reduce the degree to which a third drive 'on...
by Hrafn
Tue May 22, 2018 8:46 am
Forum: Silent Storage
Topic: M.2 SSD under GPU: Bad idea (in a quiet PC)?
Replies: 9
Views: 25298

Re: M.2 SSD under GPU: Bad idea (in a quiet PC)?

Do we think that moving it just one slot over would make all the difference? Almost all the boards I'm looking at ( example ) are positioning the "prime" (x4) M.2 socket there. That has to be better than RIGHT under a 2-slot GPU? It'd be a shame to go with an ATX build just to get a x4 M.2 slot awa...
by Hrafn
Sun May 20, 2018 9:06 am
Forum: Fans and Control
Topic: New noctua 120mm PWM fan, NF-A12x25 the GT Clone
Replies: 95
Views: 61738

Re: New noctua 120mm PWM fan, NF-A12x25 the GT Clone

Would this fan be compatible with heatsinks whose clips require an open-cornered fan (like the Kotetsu)? The pictures that I've seen seem to indicate a half-open/half-closed corner.