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Gamemax GS-G SFX GS-650G Black

Photos - PSU Gamemax GS-G SFX GS-650G Black
Photos 10
Gamemax GS-G SFX GS-650G Black
Main
Power650 W
Form factorSFX
Specs
PFCactive
Efficiency90 %
Cooling systemsemi-passive (fan off)
Fan size92 mm
Fan bearinghydrodynamic
Certification80+ Gold
ATX12V version3.1
Power connectors
MB/CPU power supply24+8 (4+4) pin
SATA4
MOLEX3
PCI-E 8pin (6+2)3
PCI-E 16pin1
Cable systemmodular
Braided wires
Cable length
MB300 mm
CPU400 mm
SATA300 mm / 450/600/750 /
MOLEX300 mm / 450/600 /
PCI-E400 mm
Max. power
+3.3V15 А
+5V15 А
+12V154 А
-12V0.3 А
+5Vsb2.5 А
+12V648 W
+3.3V +5V80 W
-12V3.6 W
+5Vsb12.5 W
General
Over voltage protection (OVP)
Over power protection (OPP)
Short circuit protection (SCP)
ProtectionUVP, OTP
Dimensions (HxWxD)65x125x110 mm
Official Websitegamemaxpc.com
Added to E-CatalogDecember 2024

Compact SFX form factor power supply with a capacity of 650 W, featuring an 80+ Gold certification and 88% efficiency, which positions itself between the entry-level and mid-range segments. This model is part of the GS-G series and is intended for users of Mini-ITX builds who require modern compatibility and modularity in limited case space. The Gamemax GS-G SFX circuitry is built on an advanced topology with Active Power Factor Correction (Active PFC), an LLC resonant circuit, and synchronous rectification paired with DC-DC converters.

This solution ensures high performance and voltage stability, which is especially critical for the +12V rail when powering modern graphics cards. The power supply supports current standards ATX 3.1 and PCI-E 5.0, guaranteeing full compatibility with next-generation graphics cards and their peak loads even in a compact form. The modular cable system allows connecting only the necessary connectors, which is particularly important for compact cases with limited space for cables. The cooling system is based on a 135mm fan with semi-passive mode support, which turns off at low loads to ensure silent operation. As the load increases, the fan automatically activates, maintaining the optimal temperature of components in the confined space of SFX cases.

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Gamemax 2025 - new arrivals, bestsellers, and the most relevant models Gamemax.
How to choose a power supply for a PCBasics of choosing a reliable and balanced power supply for your home, office and gaming computer

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