PWRS Coolmax ZU Series ZU-800B 800W ATX12V v2, 31& EPS12V v2, 91,SLI Ready CrossFire Ready, 80 PLUS Bronze Certified Modular Power Supply - Quiet 140mm double ball bearing fan - 80 PLUS Bronze certified - Up to 85% efficiency - Single +12V rail design - Active Power Factor Correction (PFC) with PF value of 0, 99 SKU: SECOO-ZU-800B