CORSAIR SF1000L 1000W Fully Modular SFX Power Supply PSU (CP-9020246-NA). It is in excellent, open box condition and includes the accessories in the original box. CORSAIR SF-L Series Fully Modular SFX Power Supplies with ATX 3.1 and PCIe 5.1 compliance provide the continuous high wattages demanded by the latest PC hardware, all in a space-saving SFX-L form-factor. Compact SFX-L Form-Factor PSU: Delivers 1000W of continuous power, ideal for power-dense small-form-factor PCs, or saving space in larger builds. 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 Rifle Bearing PWM Fan: Delivers quiet, powerful cooling, with Zero RPM fan mode for near-silent operation at lower loads. 80 PLUS Gold-Certified: Operates at up to 90% efficiency, and Cybenetics-certified for lower power consumption, less noise, and cooler temperatures.