Evercool aluminum LED polished aluminum case fan. Housing is aluminum which is polished to give it a nice, super-clean look. The fan blades are chromed plastic for mirror like shine. The fan also has 4 bright LED's. Product Specifications: 60x60x25mm, 4500 RPM, 23.72 CFM, 32 DB, 12 Volt, BALL BEARING, 3 Pin Power Connector. Includes 3-4 pin adapter and (4) Fan Screws. Retail Packaged.