Cooldown

Cooldown Chart
Cooldown is the time between a units attacks, the lower the number the faster a units attacks. Special Abilites do not necessarily have a cooldown time. Several units have upgrades that change their cooldown time, such as the stimpack upgrade for Marines and Firebats.

Terrans Units

 * SCV :15
 * Marine :15(7.5 With Stim)
 * Firebat :22(22 With Stim)
 * Goliath :22
 * Siege Tank(Tank Mode) :37
 * Siege Tank(Siege Mode) :75
 * Vulture :30
 * Ghost :22
 * Wraith :30Gnd/22Air
 * Valkyrie :64
 * Battlecruiser :30
 * Missle Turret :15

Zerg Units

 * Drone :22
 * Zergling :8(6 upgraded)
 * Hydralisk :15
 * Lurker :37
 * Ultralisk :15
 * Broodling :15
 * Mutalisk :30
 * Guardian :30
 * Devourer :100
 * Sunken Colony :32
 * Spore Colony :15

Protoss Units

 * Probe :22
 * Zealot :22
 * Dragoon :30
 * Dark Templar :30
 * Archon :20
 * Reaver :60
 * Scout :30 air/22 ground
 * Corsair :8
 * Arbiter :45
 * Photon Cannon :22