Chieftec VITA SM3 BPX-850-C is an 850 W ATX power supply for desktop computers. It complies with ATX 3.1, supports PCIe Gen 5 and carries 80 PLUS Bronze certification.
Its semi-modular cable design lets you connect the cables needed for a build. The fixed set has a 20+4-pin ATX connection, two 4+4-pin EPS connections, two 6+2-pin PCIe connections and a 16-pin 12V-2x6 connection. Modular cables add two 6+2-pin PCIe, six SATA and three Molex connectors.
At 140 × 150 × 86 mm, the unit uses a 120 mm sleeve fan.