The Chieftec Vita SM3 BPX-850 is a semi-modular power supply designed to provide a reliable 850W of energy for modern computer builds. It adheres to the ATX 3.1 standard and supports PCIe Gen 5, ensuring it can handle the power demands of current high-performance graphics cards. With an 80 Plus Bronze certification, the unit maintains efficient energy conversion, while the active PFC helps stabilize the input voltage between 100 and 240 VAC. Its compact black chassis measures 150 mm by 86 mm by 140 mm and weighs 1.9 kg, making it a versatile fit for most ATX cases. Cooling is managed by a 120 mm fan that keeps internal components at safe temperatures during operation. For safety, the unit includes a comprehensive suite of protections, such as OCP, OPP, OTP, OVP, and SCP, which shield your hardware from electrical irregularities. The semi-modular cable system allows you to use only the connectors you actually need, which simplifies cable management and improves airflow inside your case. You have access to a 24-pin ATX power connector, two 8-pin ATX/EPS 12V leads, four 8-pin PCI-E connectors, six SATA ports, and two Molex connectors, providing ample connectivity for multiple drives and powerful components.