Antec’s new generation Cuprum Strike Bronze power supply is crafted for quality, efficiency, and performance. Featuring 80 PLUS® BRONZE certification, a quiet 120 mm fan, CSK Bronze includes Antec’s 3 year warranty. The CircuitShield™ suite of industrial-grade protections ensure that the power delivered to your system is safe and reliable in any environment. The 120 mm silent fan is ideal for quite computing and is designed for longer lifetime, guaranteeing hours of operation.