Rosewill SilentNight 500 W

Rosewill SilentNight 500 W

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Specifications

Rosewill SilentNight-500 Features & Specs
Max. DC Output500W
PFCActive PFC
Efficiency80 PLUS Platinum
Operating temperature0°C - 50°C
ProtectionsOver Voltage Protection
Under Voltage Protection
Over Power Protection
Over Current Protection
Short Circuit Protection
CoolingFanless
Dimensions150 mm (W) x 86 mm (H) x 170 mm (D)
Weight3.0 kg
ComplianceATX12V v2.31, EPS 2.92
Warranty5 years
Price at time of review (exc. VAT)$159.99


The unit can deliver its full power at up to 50°C, which is the corresponding recommendation of the ATX specification. The SilentNight-500 is also 80 Plus Platinum certified, and its high efficiency will help it maintain a cold operation due to minimized energy losses. Regarding its protection features: it is, according to Rosewill, equipped with most available protection features, while Super Flower states that the similar Golden Silent 500 W lacks OCP and UVP, but what matters the most here is that OTP (Over Temperature Protection) was omitted, and that protection feature is crucial to a fanless PSU.
The dimensions of the unit are a little bigger than the standard since its length reaches 17 cm, so you have to check your chassis before buying it. The unit's enormous, top-mounted heatsink removes heat out of the PSU's internals, but it also adds a lot of extra weight to the unit. Finally, the warranty is set to five years and the price looks quite stiff.

Super Flower SF-500P14FG Power Specs
Rail3.3V5V12V5VSB-12V
Max. Power20A20A41.5A2.5A0.5A
100W498W12.5W6W
Total Max. Power500W


There is only one +12V rail, and it can almost deliver the full power of the PSU, so it will easily handle two VGAs. The minor rails have sufficient power for today's standards and the unit's category. The 5VSB can deliver 2.5 A max current output, which is the minimum for a modern PSU.

Cables & Connectors, Power Distribution

Native Cables
ATX connector (570 mm)20+4 pin
4+4 pin EPS12V/ATX12V (680 mm)1
6 pin PCIe (540 mm) / 6+2 pin PCIe (+130 mm)1 / 1
Modular Cables
6 pin PCIe (500 mm) / 6+2 pin PCIe (+130 mm)1 / 1
SATA (500 mm+130 mm+130 mm+130 mm)4
SATA (500 mm+130 mm) / 4 pin Molex (+130 mm+130 mm)2 / 2
4 pin Molex (500 mm+130 mm+130 mm) / FDD (+130 mm)3 / 1


Cable configuration is adequate considering the capacity of the unit, but we would like to see a slightly longer ATX cable of at least 600 mm and modular PCIe cables that are 10 cm longer. Thankfully, the distance amongst all connectors is sufficient. The +12V and ground wires on the main ATX connector as well as those on the EPS connector use 16AWG wires. All other gauges are of 18AWG size.

Since this PSU features a single +12V rail, we do not have anything to comment on about its power distribution.
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