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Item#: N82E16817182169

Rosewill SilentNight-500 - 500-Watt Fanless Active PFC Power Supply - Continuous @ 122 Degrees F (50C), 80 PLUS Platinum, ATX 12V v2.31 & EPS 12V v2.92, Intel Haswell, SLI & CrossFire Ready

  • ATX12V v2.3 / EPS12V v2.92
  • 100 ~ 240V
  • Fan-less Design
  • 80 PLUS Platinum Certified
  • Modular Design
  • Efficiency up to 94%

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews




High-end PSUs usually come with high output capability, and therefore high heat generation and high noise level. It's not true when it comes to the Rosewill SilentNight PSU. On top of all the features you would demand from premium grade PSUs - such as modular cable configuration, generous +12V output and comprehensive protection - the SilentNight-500 employs a fanless design ensuring a completely quiet operation - your games, movies and music come to new life with every whisper and detail enjoyed the way it should be. A large heatsink with dense fins quickly and efficiently dissipate heat, while highly reliable Japanese capacitors and 80 PLUS Platinum Certification lower the heat generation and enable its fanless design. Make the Rosewill SilentNight-500 yours today, and step into a new level of peace of mind.

  • 80 PLUS Platinum Certified
  • Continuous 500W @ 122°F (50°C)
  • Supports Intel Haswell CPU C6/C7 Low Power State
  • Single strong 12V rail – idea for Gaming system
  • 0dB Fan-less design
  • SLI and CrossFire Ready – two 6 + 2-pin Connectors
  • Active-PFC with auto AC-input voltage adjustment (100V ~ 240V)
  • Mesh sleeving on all cables for easier cable routing and better ventilation
  • Over Current and Over Voltage Power Protection, Under Voltage Protection, and Short Circuit Protection provide maximum safety to your critical system components
  • Safety and EMI Approval: cTUVus, TUV, FCC, CE, ROHS

What's in the Box



Learn more about the Rosewill SilentNight-500

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 7 years
  • Limited Warranty period (labor): 1 year
  • Read full details

Customer Reviews of the Rosewill SilentNight-500

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  • Douglas H.
  • 8/28/2015 11:43:22 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsLooks like I got one of the last ones

Pros: Silent, easily powers my q6600, one SDD, one WD 2tb green and built in intel graphics HTPC.

Cons: None, so far.

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  • Michal Z.
  • 7/25/2015 12:02:19 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

5 out of 5 eggsSilence and Stability

Pros: Perfect silence

Cons: connectors are rather tight fitting and have sharp edges

I never realized how loud my video card was with my old PSU

Other Thoughts: Handles my AMD FX6300 + GTX570 system without issue (and my Q6600 + GTX570 before that). My case is the Antec 300 with bottom mount PSU. The heatsink gets slightly warm to the touch.

The anodized heatsink is nice, but the PSU case is elsewhere covered with a rather thick/coarse paint job which may not be great for heat dissipation.

I initially bought the Seasonic 520W fanless, unfortunately it was not silent - constant buzzing audible at a distance. I did prefer the build quality of that model, however.

This PSU does make a clicking sound on startup/shutdown, but that's a non-issue for me. Be aware that once you get a silent PSU, the next loudest thing in your PC will stand out. For instance, my old PSU was masking the high pitched whine of the video card's fan... I replaced that with a Noctua 120. Then my CPU fan was the loudest... A few Noctuas later my PC is quieter than ever. Now I can hear the fridge located a couple rooms away.

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  • Mitchell D.
  • 6/24/2015 1:10:39 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsNo problems after 2 months

Pros: Totally silent from a distance of 6 inches and vented on 5 of 6 surfaces.

I have this mounted in an Antec Solo II case in which the PSU mounts at the top. The case has a vent directly over the SilentNight's heat sink. The air radiating from the heatsink through the vent never feels warmer than room temp (27C/80F), even under a major load.

CPU is stock Intel 2500; Noctua NH-U12S cooler with 120 mm PWM fan and 120 mm Noctua PWM intake fan, both connected to the same CPU fan port on a splitter; both at about 800 rpm; single 120 mm Antec exhaust at 450 rpm. SSD and 2 internal HDDs. No video card. Prime 95 peaks at 67 on the hottest core. Intel XTU peaks at 63. OCCT peaks at 65.

Typical idle is about 36 degrees in this warm room. For kicks, I tested without any exhaust or intake fans: idle at about 46.

PSU will be transferred to Skylake build late this year.

I think the ports and cables are configured so that any cable can be used in any port.

Was able to attach all 4 internal drives to a single cable.

I got a substantial rebate check today, 10 weeks after filing.

BIOS set to quietest fan profiles possible.

Cons: None to speak of.

Gave off a mild odor for the first few hours of operation.

High priced if you don't get it on a sale or with no rebate.

I had to stash the non-detachable video card cable into an empty drive bay, but anyone who uses a video card won't have this issue. Cables are quite flexible, so it's an easy work-around.

Rubber cable port covers aren't of much use. They tend to fall off easily and you might find them rattling around in your case. I left them off.

One of the 4 mounting holes did not match my case, but I'm doing fine with the remaining 3 screws.

Other Thoughts: My goal was as near silence as I could get and I didn't want to take a chance on the coil whine often found on other well-known fanless brands.

As configured, I can't hear this PC at all from a distance of 4 feet

This PC can't use even 200 watts, so I didn't need a 500 watt PSU. However, the verification test shows this PSU to be over 91% efficient at 112 watts, which is a typical load for me.


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  • Harris L.
  • 6/17/2015 10:16:47 PM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggs2 year test of time

Pros: Just as advertised - silent
Has met all my power needs
No undue heat

Cons: After two years - none that I can see

Other Thoughts: I built my rig with the overall aim of having a silent system so all my components are selected that way. This power source was perfect

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  • Christopher B.
  • 6/12/2015 11:21:05 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggstotally silent

Pros: totally silent, no problems with it, comes with just the right cables, seems to be a quality item

Cons: it's a bit pricey, but the silence is totally worth it for me. Not fully modular, but the nonmodular ones are stuff you'll want if you're looking at this (atx, cpu, and one pci). Interestingly, all the modular slots on this are 8 pins, whereas my prior Rosewell PSU had 6's and 8's. Works fine w/ the cables they include, tho!

Other Thoughts: this is the, wait, psu I'd been looking for. Made my system go from too loud to totally inaudible. Yay! I'm using a fractal R4 case, 4790k,noctua cooler, Asus strix 970. someone was smart about the cables to bundle, much appreciated.

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  • paul p.
  • 5/22/2015 4:58:40 AM
  • Tech Level: Somewhat Low
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsnoisy

Pros: well built, small, and can hold a regular size cd player

Cons: extremely noisy,even without the stock 80 mm fan. I moved everything from a Silverstone sugo case to this case, because those slim cd players never work. There was almost no noise whatsoever in the sugo, but, this case sounds like a greyhound bus, comparatively speaking, of course. I removed the dust filters, it must be that the holes for the 120 mm radiator fan are not quite big enough. That is the only fan. To bad because I will have to resume my search for a small mini itx case that can hold a cd player. The sugo is big enough to hold a full size cd player, maybe they make it for a slim player because Silverstone sells the slim players.

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  • Russell L.
  • 3/5/2015 2:24:07 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsThis is It!

Pros: No noise, None. Plenty of connectors, even legacy 4 pin.

Cons: A bit wider than typical power sources. Had to use more pressure than I thought I should to get it in. A minor issue.

Other Thoughts: Studio PC now dead quiet! Yippee!

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  • Mathieu P.
  • 2/28/2015 5:08:01 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsPerfect!

Pros: Can't ask for a better PSU!

Cons: None
The price is a bit high, but you get what you pay for!

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  • Anonymous
  • 1/30/2015 11:33:52 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week


Pros: NO COIL WHINE!!!!!! NO COIL WHINE!!!!!! NO COIL WHINE!!!!!! For all of you former/current Seasonic users with this issue, you know what I mean. Seasonic makes ultra high quality fully modular PSUs with great electrical management, but about 1/3 of them have a coil whine problem which can drive a person nuts! I tried every single power saving setting in existence in the BIOS and plugged more things in to use more watts or less things in and it just changed the sound of the coil whine, nothing more. Man, now I can day trade in PEACE!

Okay, so to actually review it. It is a good small size for small mini itx cases such as the Rosewill Legacy U2 that I have it in. I kind of like fully modular systems so I can buy custom cables, but Rosewill did a good job with keeping the covering flexible enough to manipulate and tight enough so as not to be big and bulky. Also, I find it unnecessary to have one set of PCI-E cables not modular when they have all those modular ports for putting stuff but that is fine. I guess someone is going to use a bunch of heavy powered video cards with a fanless 500w PSU... Besides that miniscule annoyance, the flat cables are very easy to use and manipulate for cable management.

Make sure you snap the cables in properly as installing it upside down (which some people claimed was possible on the side that connects to the PSU) could fry your SSD. Besides that, as others have noted their review the screw holes do not line up perfectly with standard cases with a side guide rail (they seem to all be shifted to one side a bit) so you really have to push the PSU to one side to get them to line up in cases that have a side guide rail or cut the small side tab off it is not a rail. If there is no side guide rail, you are good to go as all the holes are otherwise spaced correctly. The power supply stays cool and with a fan pulling even a little air out of the case you will likely have no problems as long as you are using low voltage. (My computer uses only 60 watts so it will probably never get hot). For those of you using high powered video cards with it, I would assume better circulation may be necessary but I have no personal experience with that. The power tests done on benchmark sites show this PSU comes in very good only a little lower than Seasonic ss-520 and Silverstone NightJar (which uses the ss-520 from Seasonic anyways). The paint job is very thick and all a simple color which makes it look extra nice and sleek in cases with windows (like mine).

Cons: These are really not deal breakers but to put something here...
-Holes may not line up perfectly in your case, but that is easily solved.
-Tilts down and back instead of sitting flat (because of the slight misalignment of the heatsink panel)
-Not 100% modular
-Has a non modular set of PCI-E cables that are not needed for someone like me... (my personal con I guess)
-Ugly cables that people like me who use modded cables and window cases don't like to look at (I did get them pretty well tucked out of sight I must admit but did we really need to use cheapo looking red and blue plastic ends?) Anyways...

Other Thoughts: Basically, for those of you tired of having the PSU fan be the loudest one in your case and not wanting to break the warranty to switch it out with a Noctua fan (which I have done to those out of warranty), and for those of you who no longer believe the PSU companies when they claim to have "silent fans," and for those of you who have an old very good quality Seasonic x1050w with a Hybrid fan control that you used in a new 60w computer that never turns the fan on under 200w (which is good because the fan is loud) but has a very annoying hissing coil whine that drives you nuts no matter where in the room your computer sits, you need thin flexible cables and a small PSU for a tight fit in a mini itx case, THE ROSEWILL PSU IS PERFECT FOR YOUR NEEDS!

And I will admit, perhaps if I used 500w or 600w there might not be a coil whine, the thing is I did not want to spend another $150 for yet another PSU. Using it in my gaming computer is no big deal since it is full of noisy fans anyways.

Specs for the ultimate non gaming silent small computer: Asus Maximus VII Impact z97 Chipset, 16gb Patriot DDR3 2133, Intel i7 4790s, Noctua NH-L9-i, Zalman Fanmate controller, Rosewill case fan on low, Rosewill U2-S window case, intel 730 240GB SSD, and of course a Rosewill Silentnight 500.

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  • Max K.
  • 1/23/2015 5:10:18 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsIt's Silent :D

Pros: Does not make any noise.
Powers a system with a GTX 970 Strix

Cons: If you have a side window on your case you might not like that the PCI-E power cables are red and yellow.

Other Thoughts: My goal with my build was absolute silence and I reached it with the help of this PSU.

Specs: Intel Xeon 3.4-3.8Ghz (i7 4770 minus IGP)
ASUS Z97 Motherboard
12GB DDR3 1600 RAM
Crucial 512GB SSD

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