SF Series power supplies bring legendary Corsair performance and reliability to the SFX small form factor standard. They have the features found in full-size high performance power supplies, with certification for 80 PLUS Gold efficiency, superior voltage regulation, Zero RPM mode for virtually silent operation, and 105°C All Japanese capacitors for better reliability. If you’re building a small system that’s going to see a lot of use, low heat generation and high efficiency are essential. SF Series power supplies operate at greater than 90% efficiency at 50% load on 115V circuits. The detachable DC cables make builds and upgrades easy, with clean, great-looking results. Use only the power cables you need lets you save valuable internal space and can improve system airflow. SF Series is designed to the SFX power supply specification for high performance small form factor systems. Building a silent PC? SF Series power supplies are so efficient that the fan doesn’t need to spin at low to medium loads. WHAT’S IN THE BOX. Corsair SF Series, SF600, 600 Watt power supply.