Whether you are looking at building a new system or upgrading an existing system, the Smart BX3 Pro is a great choice. Hosting a suite of new upgrades for performance and reliability like a native PCIe 5.1 12V-2X6 cable, ATX 3.1, etched flat cables, high-quality 105 C main capacitor, industry grade protections, and a 5 year warranty. An 80 Plus Bronze Certification means up to 850W continuous stable power output at 40 C, at up to 85% efficiency while minimizing power loss.