Add to Favorite Sellers. Corsair 1000W Fully Modular SF-L Series SFX-L Power Supply, 80 Plus Gold – Black. The item in this listing is an Open Box (packaging maybe slightly distressed). The unit powers on with factory settings restored and includes the original accessories. The unit may have some minor cosmetic marks. Compact SFX-L Form-Factor PSU: Delivers 1000W of continuous power, ideal for power-dense small-form-factor PCs. Fully Modular, Micro-Fit PSU Connectors: With flexible cabling, taking up less space for tidy cable management and compatibility in small cases. Intel ATX 3.0 Certified: Compliant with the ATX 3.0 power standard, supporting the PCIe Gen 5 platform and resisting transient power spikes. 120mm Fluid Dynamic Bearing PWM Fan: Delivers quiet, powerful cooling, with Zero RPM fan mode for near-silent operation at lower loads. 80 PLUS Gold and Cybenetics Platinum-Certified: Operates at up to 90% efficiency for lower power consumption, less noise, and cooler temperatures.