MONTECH

Montech APX 550W ATX Power Supply – 80 PLUS White, 120mm Fan

AC input voltage100 – 240 V
Operating temperature (T-T)0 – 40 °C
Width150 mm
Motherboard power connector20+4 pin ATX
Bearing technologyHDB

The Montech APX 550W is an ATX desktop power supply built around a DC-to-DC converter design that delivers stable, well-regulated voltage across all system loads — a solid foundation for any mid-range PC build or upgrade.

Description

Quiet, Efficient Power for Everyday and Gaming Builds

550W output comfortably handles modern mid-range CPUs and GPUs without headroom concerns
80 PLUS White certified efficiency keeps energy waste low during typical workloads
120mm hydraulic bearing fan runs quietly and maintains good airflow through the PSU
ATX form factor fits the vast majority of standard mid-tower and full-tower cases
Flat cable design makes routing tidier and supports better airflow inside the chassis

A practical pick for home office desktop builds, entry-level gaming rigs, or anyone replacing an ageing power supply in a standard ATX case. The Montech APX 550W suits builders who want reliable, no-fuss power delivery without overspending on wattage they don't need.

Specifications

General

Brand	MONTECH
Model name	APX 550W
Product colour	Black
Purpose	PC
Fan diameter	120
Number of fans	1
EAN	4710562741087

Processor

CPU power connector (4+4 pin)	Yes

Ports

Motherboard power connector	20+4 pin ATX
Number of SATA power connectors	6
PCI Express power connectors (6+2 pin)	2
Peripheral (Molex) power connectors (4-pin)	3

Keyboard & controls

On/off switch	Yes

Battery & power

AC input voltage	100 – 240 V
AC input frequency	50/60
Total power	550
Input current	12
Combined power (+5V)	100
80 PLUS certification	80 PLUS White
Combined power (+12V)	549.6
Combined power (-12V)	3.6
Combined power (+3.3V)	100
Combined power (+5Vsb)	12.5
Max output current (+5V)	18
Max output current (+12V)	45.8
Max output current (-12V)	0.3
Power protection features	Over current/Over power/Over voltage/Overheating/Short circuit/Under voltage
Max output current (+3.3V)	18
Max output current (+5Vsb)	2.5
Power supply unit (PSU) form factor	ATX