Rosewill Silent Night 500 Platinum 80 Plus

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DETAILS

The casing is unchanged from the Kingwin Stryker STR-500 reviewed previously. A hefty anodized aluminum extrusion with short ribbed fins is one of the 170x150mm panels, and it serves to dissipate the heat from hot component clamped to the flat inner side. The other 170x150mm panel is part of a U-shaped chassis panel made of reasonably sturdy steel sheet metal, and it has no vents. The other four sides are mostly perforated.

A well-vented passively cooled PSU usually becomes an intake channel especially when positioned near a back panel case exhaust fan. So despite the passive cooling design, in PC cases that utilize any forced airflow for cooling, the Silent Night 500 will usually enjoy some peripheral airflow. This has the effect of raising the temperaure of the air that gets drawn in through the PSU, but the heating effect will be minimal with such a high efficiency model.


The external appearance of the Rosewill Silent Night 500 is almost identical to that of the Kingwin / Super Flower 500W fanless. A large external aluminum heatsink is the "bottom" panel, and all other sides except the top are generously vented.


The heatsink panel does have two rectangular vents, perhaps over parts that run extra-hot.

Here is where a minor departure from the Kingwin shows up: The four output connectors are of a slightly different rectagular 8-pin design, compared to the square 9-pin connectors in the Kingwin. It is a semi-modular design, with main ATX, AUX12V and PCIe output connectors all on fixed cables. Only the HDD/peripheral power cables are detachable.


Label on the PSU.

Rosewill Silent Night 500 HIGHLIGHTS
FEATURE & BRIEF Our comment
80+ PLATINUM
Ultra-high power efficiency of 91% at 20% load, 92% at 50% load, 90% at 100% load, saving your money on your electrical bill, reducing heat in your computer's system and prolonging its life.
These numbers are taken from Newegg's page on the SN500 — and they are wrong! The correct 80+ Platinum targets are 90%, 92% and 89% efficiency.
500W POWER OUTPUT WITH SINGLE STRONG 12V RAIL
Delivers rated 500W of safe, reliable output for your computer systems. One single strong +12V rail with 4x 6+2-Pin PCIe connectors can juice up your high-end CPU and even multiple graphics cards.
Four PCIe connectors is more than the norm for a 500W PSU.
FANLESS DESIGN
0dBA fanless design letting you operate your PC in a complete zero-noise environment. A great number of venting holes on walls and large heatsink on cover ensure effective and efficient heat dissipation.
OK
MODULAR DESIGN
With fixed 1x 20+4-pin main connector, 1x 12V 4+4-pin connector and 2x 6+2-pin PCI-e connectors, the modular design allows use of only the cable you need for.
Only peripheral power cables are detachable.
SUPERIOR COMPONENTS
All Capacitor are made in Japan with higher stability and longer lasting.
OK
COMPREHENSIVE PROTECTION
An array of protection measures such as OVP, OPP and SCP provide maximum safety to your critical system components.
Actually much fewer than many others, but these seem to be essential.
ATX12V v2.3 / EPS12V v2.92 OK
5 years warranty on parts & labor Great!
170 x 150 x 86 mm
2.8 kg (by our measurements)
Longer than standard, and somewhat heavy.

Rosewill Silent Night 500 SPECIFICATIONS
AC Input
115~240VAC, 10A, 50/60Hz
DC Output
3.3V
5V
12V
-12V
5Vsb
20A
20A
41.5A
0.5A
2.5A
100W
498W
6W
12.5W
500W

The operating temperature limit for rated performance is not specified, but we can probably assume it is the same as the Kingwin/Super Flower version, which is rated for 0ºC ~ 50ºC operational temperature.

OUTPUT CABLES

The fixed main ATX, AUX12V and PCIe cables are "normal", nicely sleeved. All the detachable output cables are flat data-style. My guess is that there is some small savings in labor cost; the flat cables do not require sleeving.

Rosewill Silent Night 500 Output Cables
Fixed
ATX (57cm)
1
4+4 pin EPS12V/ATX12V
1
6 pin + 6/8 pin PCIe (73cm)
1
Detachable
6 pin + 6/8 pin PCIe (55cm)
1
4 SATA (88cm)
1
3 4-pin Molex + 1 floppy (88cm)
1
2 SATA + 2 4-pin Molex (+88cm)
1


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