Supports the latest ATX12V v2.2 and is backwards compatible with ATX12V 2.01 systems. Ultra quiet 120mm double ball-bearing thermally controlled fan. Double forward switching circuitry design offers high efficiency, up to 85% under wide load range. Dedicated single +12V rail offers maximum compatibility with latest components. Supports SATA and PCI-E devices High quality Japanese capacitors provide uncompromised performance and reliability. Active Power Factor Correction (PFC) with PF value of 0.99. Auto switching circuitry provide universal AC input 90~264V. Over Current/Voltage/Power Protection, Under Voltage Protection, and Short Circuit Protection provide maximum safety for your critical system components. Extra long cables support full tower size chassis. Standard ATX PS/2 size: 5.9"(W) x 3.4"(H) X 5.5"(L) 50mm(W) x 86mm(H) x 140mm(L) MTBF: 100,000 Hours