Deliver stable power in space-constrained builds without giving up premium features. The ASUS ROG Loki 850P SFX-L White Edition pairs 850 W output with 80 PLUS Platinum efficiency, giving demanding gaming and creator systems the electrical headroom they need while helping reduce wasted energy and heat. Its fully modular design keeps cable runs focused on only the connections you need, which matters in compact enclosures where airflow and serviceability are at a premium. ATX 3.0 compatibility and PCIe 5.0 readiness position this unit for modern GPUs and current platform requirements, while the SFX-L form factor opens the door to high-end small-form-factor systems that would otherwise require compromises. The white finish and Aura Sync support make it a strong match for visible builds where the power supply is part of the design language, not just the infrastructure behind it. A 120 mm PWM ARGB fan helps balance cooling and acoustics, and the 10-year warranty reflects the kind of long-service deployment expected from a premium PSU in a serious workstation or gaming rig.