Compatible Intel LGA 1150 / 1151 / 1155 / 1156 CPU socket with intel LGA 115x socket support, compact design perfectly fits all-in-one system, limited form factor cases, aluminum fin provide excellent heat dissipation, 120mm diameter fan with long life expectancy, durable materials, strong airflow, low noise output, 3-pin fan connector, tachometer pin for motherboard BIOS with fan speed monitoring, 90 x 90 x 35 mm dimension, 323 g weight.