Open Box (Brand New, Never Used). Perfect for NVIDIA RTX 4090, RTX 4080 Super and other high end GPUs. Perfect for 13th and 14th Gen Intel CPUs and latest AMD Ryzen CPUs. Fully Modular Micro-Fit PSU Connectors: CORSAIR Type 5 Gen 1 micro-fit PSU cables mean you only connect the cables your system needs while taking up less space. Intel ATX 3.0 Certified: Compliant with the ATX 3.0 power standard, supporting the PCIe Gen 5 platform and resisting transient power spikes. Zero RPM Fan Mode Support: At low and medium loads the cooling fan switches off entirely for near-silent operation. Modern Standby Compatible: Extremely fast wake-from-sleep times and better low-load efficiency.