Thermaltake TR2 RX 1000W Continuous-Delivery Power Supply ATX12V V2.3 / EPS12V V2.91 80PLUS Intel Core i5 i7 Ready Cable Management TRX-1000M. Robust and dedicated dual +12V rails provide superior performance under all types of system loading. Ultra-quiet 140mm cooling fan delivers excellent airflow at an exceptionally low noise level by varying the RPM in response to temperature. 99% Active Power Factor Correction provides clean and reliable power to your system. Cable Management improves internal airflow by reducing cable clutter within PC to promote accelerated heat removal. 80PLUS Certified - guarantees 80%+ energy efficiency at 20%, 50% and 100% load condition for lower power loss (less heat) and lower energy bill. Total of six PCI-E power connectors allows power users to build up the most advanced CrossFire or SLI system using the most high-end graphic cards available today. 1 x 24Pin Main Connector 1 x 12V (4Pin), 1 x EPS12V (8Pin), 8 x peripheral, 8 x SATA, 1 x Floppy, 3 x PCI-E (6/8pin).