Product Overview. Anything But Standard Introducting the EVGA Super NOVA GM line. The 450 GM is a new power supply thats engineered to bring the power prestige & performance of EVGAs award winning power supplies into an SFX-Standard form factor. Featuring 80 PLUS Gold certified efficiency fully-modular cables & 100% Japanese capacitors on the main PCB the GMs cast a long shadow over its competition. Pint-sized affordable & packed with everything you need the EVGA Super NOVA GM power supplies make short work on tight spaces. Fully Modular Design Use only the cables you need reducing cable clutter & improving airflow. SFX to ATX Bracket Included The GM power supplies were designed to power systems built in the smallest of PC Cases but are equally capable of powering systems built in standard ATX form factor. Reliable 100% Japanese Capacitors on Main PCBGet the most reliability & greatest performance with the use of the highest possible quality Japanese capacitors on the most critical system component. Whisper Silent EVGA Auto ECO mode ensures that the power supply stays completely silent during low to medium loads. The fan does not spin until necessary allowing for completely silent operation..