Gigabyte P550SS Power Supply PCIe 5.0, 80 PLUS Silver, 120mm Fan

550 W · 80+ Silver · Fully modular

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

Gigabyte P550SS Power Supply PCIe 5.0, 80 PLUS Silver, 120mm Fan is a 550 W power supply rated 80+ Silver (fully modular). Pick one with some headroom above your build's draw. It came out in 2025.

Released: 2025-02-12

Specifications

Key specs

Wattage: 550 W
Efficiency: 80+ Silver
Modular: Fully modular
Form factor: ATX
Released: 2025-02-12
Part number: GP-P650SS EU
EAN / UPC: 4719331554095

Power

Total power: 550 W
AC input voltage: 155-240 V
AC input frequency: 50/60 Hz
Input current: 6.3 A
Power Factor Correction (PFC) type: Active
Combined power (+3.3V): 100 W
Combined power (+12V): 549.6 W
Combined power (+5V): 100 W
Combined power (-12V): 3.6 W
Combined power (+5Vsb): 15 W
Max output current (+3.3V): 20 A
Max output current (+12V): 45.8 A
Max output current (+5V): 20 A
Max output current (-12V): 0.3 A
Max output current (+5Vsb): 3 A
Hold time: 16 ms
Efficiency: 90%
Power Good signal delay range: 100 - 150 ms
Power protection features: Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage

Ports & interfaces

Motherboard power connector: 20+4 pin ATX
Motherboard power cable length: 60 cm
Number of SATA power connectors: 5
Peripheral (Molex) power connectors (4-pin): 4
PCI Express power connectors (6+2 pin): 2
CPU power connector (4+4 pin): Yes
ATX power connector (20+4 pin): Yes
Floppy drive power connector: 2
Floppy disk drive connector: Yes
PCI Express connector: Yes
Cabling type: Fully-Modular

View all specifications +3 more sectionsShow fewer specifications

Performance

80 PLUS certification: 80 PLUS Silver
Purpose: PC
Power supply unit (PSU) form factor: ATX
ATX version: 3.1
Bearing technology: Ball bearing
Mean time between failures (MTBF): 100000 h

Design

Product colour: White
Cooling type: Active
Fan diameter: 12 cm
Number of fans: 1 fan(s)
Fan location: Top
On/off switch: Yes

Weight & dimensions

Width: 140 mm
Depth: 150 mm
Height: 86 mm
Weight: 2.46 kg

Check the manufacturer's page before buying.

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About this product

Ensure reliable and efficient power delivery with GIGABYTE power supplies. Designed for peak performance and durability, our PSUs offer stable and consistent energy to power your high-performance systems. With advanced protections and high-quality components, GIGABYTE power supplies provide the confidence you need for seamless, uninterrupted computing experiences.

P550SS Power Supply - PCIe 5.0, 80 PLUS Silver, 120mm Fan, ATX 3.0 compatible, EU Plug vs similar power supplies

	Gigabyte P550SS Power Supply PCIe 5.0, 80 PLUS Silver, 120mm Fan	Mars Gaming MPVU750SIM 750W Power Supply	Mars Gaming MPZE750SIM 750W Power Supply	be quiet! Pure Power 13 M \| 550W
Wattage	550 W	750 W	750 W	550 W
Efficiency	80+ Silver	80+ Silver	80+ Silver	80+ Gold
Modular	Fully modular	Fully modular	Fully modular	Fully modular
Form factor	ATX	ATX	ATX	ATX
Released	2025	2025	2025	2025

Questions about the P550SS Power Supply - PCIe 5.0, 80 PLUS Silver, 120mm Fan, ATX 3.0 compatible, EU Plug

What are the main specs of the Gigabyte P550SS Power Supply PCIe 5.0, 80 PLUS Silver, 120mm Fan?

550 W, 80+ Silver, Fully modular.

How many watts is the Gigabyte P550SS Power Supply PCIe 5.0, 80 PLUS Silver, 120mm Fan?

550 W.

What efficiency rating does the Gigabyte P550SS Power Supply PCIe 5.0, 80 PLUS Silver, 120mm Fan have?

80+ Silver.

What form factor is the Gigabyte P550SS Power Supply PCIe 5.0, 80 PLUS Silver, 120mm Fan?

ATX.

When did the Gigabyte P550SS Power Supply PCIe 5.0, 80 PLUS Silver, 120mm Fan come out?

It was released in 2025/02 (Gigabyte).

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