Cx4

Cx4 may refer to:


 * The Beretta Cx4 Storm, a pistol-caliber carbine
 * The Cx4 chip, a math coprocessor by Capcom
 * The Mazda CX-4, compact crossover vehicle
 * 10GBASE-CX4, a copper based 10 Gigabit Ethernet PHY
 * CX 4 Radio Rural, a radio station in Uruguay