Quick Code: Q MPN: ROG-STRIX-550G
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Overview


Frozen Silence
The ROG Strix Series PSUs bring high-end cooling and premium components together for an ultra-quiet high-performance product aimed at core gamers. In terms of cooling, massive ROG heatsinks trickle down from the mighty ROG Thor series and Axial-tech fan design from our premium NVIDIA RTX™ graphics cards also make an appearance. Below the surface, low RDS (on) MOSFETs and premium Japanese capacitors take on power delivery with ease. The result is an incredibly quiet and efficient power supply with the reserves to handle the most intense gaming scenarios.

COOLING

ROG Heatsinks
Let it sink in
The integrated ROG heatsinks have 2x more volume than traditional designs, resulting in significantly lower temperatures inside Strix PSUs. This extends the lifespan of components and allows 0dB operation for a longer duration than standard designs. The heatsinks are so effective that fan noise stays whisper quiet, even under full load.

Axial-tech Fan Design
Better, faster, stronger
Originally the result of R&D efforts for top-end ROG graphics cards, Axial-tech fan design features a smaller fan hub that facilitates longer blades and a barrier ring that increases downward air pressure. The enhanced efficiency allows the fan to keep things cool at low RPMs, resulting in less overall system noise and increased component lifespan.

Dual Ball Fan Bearings
2x longer lifespan
Different bearing types have unique pros and cons. In a PSU, durability is paramount, so we built a dual ball bearing setup that will last up to twice as long as a sleeve bearing design.

0dB Technology
Quiet intelligence
An onboard controller brings the 135mm fan to a standstill when total draw power (TDP) is below 40%, letting you enjoy light gaming in relative silence. Above 40% TDP, the fans automatically start up again.

ENGINEERING

80 Plus Gold Certification
Heart of gold
Top-end Japanese capacitors ensure efficient operation and have helped the Strix earn an 80 PLUS Gold certification. The increased efficiency also results in less heat, reducing noise and increasing reliability.

EXPERIENCE

Cosmetic Customization
A e s t h e t i c
Getting everything looking right can be a challenging aspect of any setup. The ROG Strix Series PSUs aim to make your life a little easier with a convenient magnetic logo and stickers that help you reskin the visible side to your liking.

Fully Modular Cables
Plug in
Keep your rig neat and tidy with fully modular cables. One 24-pin, two 6+2-pin PCI-e, and two 8-pin CPU cables come with embedded capacitors that reduce voltage ripple, and the included CableMod coupon will set you on your way towards next-level customization.




At-a-glance


  • 0dB Technology lets you enjoy light gaming in relative silence

  • An 80 Plus Gold Certification is the result of Japanese capacitors and other premium components

  • Axial-tech fan design features a smaller fan hub that facilitates longer blades and a barrier ring that increases downward air pressure

  • Cosmetic customization is enabled by a magnetic logo and stickers that help you reskin the visible side to your liking

  • Dual ball fan bearings can last up to twice as long as sleeve bearing designs

  • Fully modular cables keep your rig neat and tidy

  • ROG heatsinks cover critical components, delivering lower temperatures and reduced noise




Reasons to buy

  • 0dB Technology lets you enjoy light gaming in relative silence
  • An 80 Plus Gold Certification is the result of Japanese capacitors and other premium components
  • Axial-tech fan design features a smaller fan hub that facilitates longer blades and a barrier ring that increases downward air pressure
  • Cosmetic customization is enabled by a magnetic logo and stickers that help you reskin the visible side to your liking
  • Dual ball fan bearings can last up to twice as long as sleeve bearing designs
  • Fully modular cables keep your rig neat and tidy
  • ROG heatsinks cover critical components, delivering lower temperatures and reduced noise

Specification

Technical Description:

Design
Fan location:
Top
Number of fans:
1 fan(s)
Cooling type:
Active
Product colour:
Black

Other features
Harmonized System (HS) code:
84733020

Packaging content
Cables included:
AC

Packaging data
Package type:
Box
Package weight:
3.12 kg

Performance
80 PLUS certification:
80 PLUS Gold
Power supply unit (PSU) form factor:
ATX
Purpose:
PC

Ports & interfaces
Cabling type:
Modular
PCI Express connector:
Yes
ATX power connector (20+4 pin):
Yes
CPU power cable length:
100 cm
CPU power connector (4+4 pin):
Yes
PCI Express power cable length:
67.5 cm
PCI Express power connectors (6+2 pin):
2
Peripheral (Molex) power cable length:
450 mm
Peripheral (Molex) power connectors (4-pin):
3
SATA power cable length:
810,860 mm
Number of SATA power connectors:
8
Motherboard power cable length:
61 cm
Motherboard power connector:
20+4 pin ATX

Power
Power protection features:
Over current, Over power, Over voltage, Overheating, Short circuit
Max output current (+5Vsb):
3 A
Max output current (-12V):
0.3 A
Max output current (+5V):
20 A
Max output current (+12V):
45 A
Max output current (+3.3V):
20 A
AC input voltage:
100 - 240 V
Total power:
550 W

Technical details
Sustainability certificates:
RoHS

Weight & dimensions
Weight:
1.73 kg
Height:
86 mm
Depth:
150 mm
Width:
160 mm

Product details

ROG-STRIX-550G Asus

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SKU: ROG-STRIX-550G