Site updated: 26.9.17

Good pre sales support

Good pre sales support, easy to order and fast, well packed delivery to France. All still very new but so far excellent. (27th June 2017 via Trustpilot)
Stronger 700W Ultra-Quiet Plug-in PSU
Stronger 500W Ultra-Quiet Plug-in PSU
(2 reviews)
Stronger 600W Ultra-Quiet Plug-in PSU
(2 reviews)

Scythe Stronger Ultra-Quiet Plug-in PSU Series

Built in fan controller, modular cables and a very quiet 140mm fan are just some of the great features on the Stronger PSUs.

The new Stronger power supplies from Scythe are available in three different wattages, namely the 500, 600 and 700 watt models. They feature the very quiet Scythe Slip Stream 140mm fan which is designed to provide high airflow at low fan speed. Scythe also incorporated a PSU fan grill to further optimise the airflow which allows the fan to stay spinning slower for longer. Furthermore, the Stronger PSU series is equipped with an Intelligent Fan Cable Connector. This allows for up to two external fans to be controlled by the PSU.


  1. Equipped with very quiet Slip Stream 140mm fan
  2. Intelligent fan cable connector
  3. High airflow design
  4. Energy efficient - 80PLUS certified
  5. Convenient cable management - modular
  6. ATX 12V Version 2.3, EPS 12V Standard

Equipped with Slip Stream 140mm fan

The Stronger power supplies incorporate a special Slip Stream 140mm fan. What makes this fan special is the fact that mounting holes are the same as a 120mm fan, but the blades are that of a 140mm fan. Larger blades mean more airflow, this allows the Stronger PSUs to remain quiet even under high load.

Image showing the fan speed and noise levels at a given load
Image showing the fan speed and noise levels at a given load

Intelligent Fan Cable Connector

Built into the PSU are two fan headers. These allow for two fans to be controlled by the PSU. As the heat rises in the PSU the fan speed of the connected fan(s) will also increase. This provides more airflow through the system and therefore better cooling.

80PLUS Certified

These Power Supply Units are 80PLUS certified to supply high power efficiency of above 80% at 20, 50 and 100% load.

Convenient Cable Management

Just like most modern PSUs, the Stronger power supplies are modular which means that you only need to use the cables required to power the system. This cuts down on the amount of redundant cables inside the case. The benefit of this is increased airflow and lower temperatures.

SpecificationsStronger 500WStronger 600WStronger 700W
Model NumberSPSN-050P SPSN-060P SPSN-070P
+3.3V max load24 A
+5V max load20 A 24 A 30 A
+12V1 max load20 A 35 A 47 A
+12V2 max load20 A 25 A
+12V Combined360W 500W 600W
Combined maximum output +3.3V / +5V130 W 140 W 170 W
-12V max load0.3 A 0.5 A
+5VSB maximum standby current2.5 A 3.0 A
Dimensions160L x 150W x 86H mm (including fan)
Cable Length45 – 55 cm Mesh-Type cables
Efficiency80PLUS Certified
Noise Level9.6 - 23.2 dBA 10.1 - 24.2 dBA 10.5 - 27.9 dBA
FanScythe Slip Stream 140mm, 1200 RPM Max Scythe Slip Stream 140mm, 1250 RPM Max Scythe Slip Stream 140mm, 1350 RPM Max
SafetyCE, ROHS
ProtectionOvercurrent Protection (OCP), Overvoltage Protection (UVP), Overpower (Overload) Protection (OPP), Short Circuit Protection (SCP), Undervoltage Protection (UVP), Overtemperature Protection (OTP)
Number of 4-pin Molex connectors6
SATA connectors8 10
Number of floppy drive connectors2
Fan Connectors2
ATX12V/ESP12V (4/8-pin) supportYes
20/24-pin ATX connectorYes
PCI-E supportTwo 6/8-pin Four 6/8-pin
ATX12V version2.3, EPS 12V
Weight2.2 Kg
Warranty36 months
EAN barcode4571225046204 4571225046211 4571225046228

Customer Reviews

Stronger 700W
Stronger 500W
Stronger 600W

We haven't received any reviews of this product yet.

Great PSU


Again, great service and delivery from QUIET PC. On opening PSU from package I was very pleased with the weight of the PSU, this denotes quality. Many connections BUT I will only require a small amount due to this being put into my HTPC build. Will give FULL REVIEW when fully up and running with regards to quietness etc..

A good choice.


I got one of the 500W units to upgrade my HP Pavilion Media Center PC which originally only had a 300W PSU. (I needed more power for a new graphics card). The new PSU fitted perfectly in the casing (as you would expect) and the cabling was mostly straightforward.

The PC has SATA drives except for a removable USB drive that takes an old ATA (4-pin) power cable. The SATA connections were easy but the ATA 4-pin connector was difficult to fit... it was a tighter fit than the cable of the original PSU and the pins in the new cable looked slightly out of alignment... I tried all the 4-pin connectors on both of the supplied cables, and they were all tight and had poorly aligned pins. I did eventually manage to connect the ATA power cable, thankfully.

The motherboard connections were fine. The modular cabling is nice, since it reduces clutter that would otherwise inhibit air flow. Other than that, I am happy with the new PSU. It's quiet and runs quite a lot cooler than the old unit.



This is one quiet psu comes with all the different connectors I needed easy to fit and most of all silent.



Originally bought a Rasurbo DLP430w in MAY 09. Alas, that unit developed coil whine and voltage drop - this a step up in price but the modular design was of interest. Suffice to say 1 - no gasket to cover the cutaway where the two main wire bundles extrude - both covered in fine black mesh - for ATX supplies only. 2 - All Molex/SATA/PCI and intelligent fan controller cables are separate, and you plug in the ones you want - easy to do.

You still need to cable tie it all up and away from the airflow, but each connector bundle is covered in the same mesh, and all looks/feels good quality. The manual is poor, but if you are fitting your own PSU you should have a grasp of what goes where. The unit is really much quieter than the Rasurbo - due to restrictions in my case I have one case fan on intelligent control. Marvellously low, gentle db hum. This PSU does what it says on the tin. Online reviews have raised issues over high standby consumption, so beware if that is an issue to you.


Our Address

Quiet PC Ltd
Brawby Grange
YO17 6PZ
United Kingdom

Our Numbers

Useful Information

Keep In Touch

MasterCardMaestroPayPalAmerican ExpressVisaVisa Electron
30 day money back guarantee
2 year warranty

All prices exclude import tax. © 2000-2017 Quiet PC Ltd. If you have seen an error on this page, please let us know.