Tuesday, August 2nd 2011

SilverStone to Release Nightjar 500W Silent PSU Later This Week

by
btarunr
 Discuss (31 Comments)
SilverStone is on course for releasing the Nightjar ST50NF this Thursday. The ST50NF is a 500W, fan-less (completely silent), 80 Plus Gold compliant, non-modular power supply (PSU). The PSU does away with the 120 mm fan, and replaces it with a large aluminum heatsink that draws heat from numerous smaller heatsinks below that in turn draw heat from the various hot components. To try and offset the weight it puts on with all those heatsinks, and to make the unit airy, the outer body is made of thin perforated aluminum sheets.

The Nightjar ST50NF delivers 500W of continuous power, it is standards-compliant with ATX 12 V2.3 & EPS 12V. It features active PFC (power factor correction), and uses a single +12V rail design. All its cables are fixed to the unit. There should be enough cabling for a performance PC with a single graphics card. The PSU carries an MTBF rating of 50,000 hours. SilverStone's Nightjar ST50NF will be priced at €129.
Source: TechConnect Magazine

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31 Comments on SilverStone to Release Nightjar 500W Silent PSU Later This Week

#1
csendesmark
I like this construction :)
And the price is right too :toast:
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#2
assaulter_99
Nice to see some companies parting from fans. Might make a good silent HTPC.
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#3
jpierce55
csendesmarkI like this construction :)
And the price is right too :toast:
$210 for a 500 watt is a good price :eek:?

I like the fanless psu concept, but the prices are to much. I would just buy an oversized psu that has a quiet variable speed fan and use it, it might make some noise but probably not much.
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#4
assaulter_99
Anyways, who knows? Knowing that prices in € are usually locked 1/1 against the $ even though it ain't the truth!
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#5
Tannhäuser
I just wonder about the size/dimensions and compatibility issues with cases, where the PSU is bound to the bottom. Hmmm ...
Posted on Reply
#6
csendesmark
jpierce55$210 for a 500 watt is a good price :eek:?

I like the fanless psu concept, but the prices are to much. I would just buy an oversized psu that has a quiet variable speed fan and use it, it might make some noise but probably not much.
For a fanless 500W PSU is okay, I guess :)
Posted on Reply
#7
RejZoR
Or you can buy a regular PSU at i don't know 750W and stick a 20 EUR premium fan in it at very low RPM. Low cost, just as silent as these fanless and much more powerful. Plus heat doesn't get accumulated inside the case which is always the problem with passive solutions.
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#8
Animalpak
The goal is 0 decibel, who cares about what convenient is fan/750w or whatsoever
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#9
Drone
hmmm fanless ... what's next? water cooling psu :D?
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#10
legends84
Dronehmmm fanless ... what's next? water cooling psu :D?
i thought koolance already come out with 1kw water cool psu??
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#12
RejZoR
AnimalpakThe goal is 0 decibel, who cares about what convenient is fan/750w or whatsoever
Well if you manage to hear my Noiseblocker fan cooled PSU then you have bat ears. Because its so silent it's 0dB when installed inside a case. So why exactly would you pay a hefty premium for a passive PSU if active cooled, more powerful can do the same job, better?
But hey, i don't care, go and buy it.
Posted on Reply
#13
btarunr
Editor & Senior Moderator
TannhäuserI just wonder about the size/dimensions and compatibility issues with cases, where the PSU is bound to the bottom. Hmmm ...
It has standard size, and will fit in any of today's cases. the heatsink protruding out on top gives you the illusion that the PSU is taller, which is not the case. That heatsink is just taking the place of the 25 mm thick 120 mm fan.
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#14
Drone
legends84i thought koolance already come out with 1kw water cool psu??
Ah thanks. I didn't know that. That thing looks rather bulky.
Posted on Reply
#15
faramir
AnimalpakThe goal is 0 decibel, who cares about what convenient is fan/750w or whatsoever
I use completely silent 350W PSU in one of my computers (it has external radiator fins unlike this one though). 0 dB indeed, it's the two case fans and the one on the CPU that produce crapload of noise. The enclosure is perforated like swiss cheese and I'm using onboard graphics, yet it would be impossible to get rid of (very modest amount of) heat without any fans whatsoever.

Passively cooled 500W is nonsense that is right on par with 100W passively cooled GPUs and 100W passively cooled CPUs. Even with 80+ efficiency the PSU is going to produce 50-100W of heat on its own, nevermind the CPU, GPU and other components. Good luck taking care of those at 0 dB (unless you live in a refrigerator :) ).
Posted on Reply
#16
cheesy999
faramirI use completely silent 350W PSU in one of my computers (it has external radiator fins unlike this one though). 0 dB indeed, it's the two case fans and the one on the CPU that produce crapload of noise. The enclosure is perforated like swiss cheese and I'm using onboard graphics, yet it would be impossible to get rid of (very modest amount of) heat without any fans whatsoever.

Passively cooled 500W is nonsense that is right on par with 100W passively cooled GPUs and 100W passively cooled CPUs. Even with 80+ efficiency the PSU is going to produce 50-100W of heat on its own, nevermind the CPU, GPU and other components. Good luck taking care of those at 0 dB (unless you live in a refrigerator :) ).
I think you'll find, seeing as it's 80+ Gold certified, the absolute worst case scenario is 55W of heat, so i think you'll find it will probably function passively and keep to a relatively low tempreture if the scenario is everyday use

Overall, you may find it'll heat up a bit if you stress test both your CPU and GPU at the same time, but under everyday use it'll be quite good
Posted on Reply
#17
RejZoR
Besides, stuffing 0dB PSU's in case with any kind of casual fans is wasted money. Either you have to make a full passive case (menaing no fans on the case, CPU and graphic card) or you have to silence the other parts so much it becomes dead silent.
Posted on Reply
#18
[H]@RD5TUFF
Way over priced, I really don't get this fascination with passive PSU's. their pointless, any GPU fan will be louder than any PSU ever will be.
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#20
SeanG
I havent heard my corsair HX650 yet and was about $30 cheaper.:)
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#22
1c3d0g
[H]@RD5TUFFWay over priced, I really don't get this fascination with passive PSU's. their pointless, any GPU fan will be louder than any PSU ever will be.
Not everyone needs the latest ZOMG NINJA G-RAD XYZ999+ graphics card! :shadedshu Therefor, a silent card will serve just fine. For those of us who value our hearing, this thing is priceless. I LOVE silent PC's. So do many others. And I applaud Silverstone for bringing this excellent PSU to the market. :cool:
Posted on Reply
#23
[H]@RD5TUFF
1c3d0gNot everyone needs the latest ZOMG NINJA G-RAD XYZ999+ graphics card! :shadedshu Therefor, a silent card will serve just fine. For those of us who value our hearing, this thing is priceless. I LOVE silent PC's. So do many others. And I applaud Silverstone for bringing this excellent PSU to the market. :cool:
Even a "silent" GPU is going to be louder than your PSU unless it's passive.
Posted on Reply
#24
ensabrenoir
I guess it has its purpose to those who need such a thing but its kind of self defeating. And unless I'm missing something the name nightjar kind of reminds me of bed-pan.
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