ASUS ROG-STRIX-550G 550W Power Supply

550 W · 80+ Gold · Fully modular

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Wattage 550 W
Efficiency 80+ Gold
Modular Fully modular
Form factor ATX

ASUS ROG-STRIX-550G 550W Power Supply is a 550 W power supply rated 80+ Gold (fully modular). Pick one with some headroom above your build's draw. It came out in 2023.

Released: 2023-10-20

Specifications

Key specs

Wattage: 550 W
Efficiency: 80+ Gold
Modular: Fully modular
Form factor: ATX
Released: 2023-10-20
Part number: 90YE00A2-B0EA00
EAN / UPC: 4718017535250

Power

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

Ports & interfaces

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

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Performance

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

Design

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

Weight & dimensions

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

Technical details

Sustainability compliance: Yes

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About this product

The ROG Strix 550W Gold PSU brings premium cooling performance to the mainstream. 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.

ROG-STRIX-550G vs similar power supplies

	ASUS ROG-STRIX-550G 550W Power Supply	be quiet! Pure Power 13 M \| 550W	ASUS TUF Gaming TUF-GAMING-750G 750W Power Supply	ASUS 750W Gold
Wattage	550 W	550 W	750 W	750 W
Efficiency	80+ Gold	80+ Gold	80+ Gold	80+ Gold
Modular	Fully modular	Fully modular	Fully modular	Fully modular
Form factor	ATX	ATX	ATX	ATX
Released	2023	2025	2026	2026