Feature: 16 million colors ARGB lamp beads. Support short memory/high memory. Support both single-sided and double-sided high RAM. Double sided Aluminum-magnesium alloy, help cooling. 5V-3PIN male/female connector Color: Black Material: Al-Mg alloy Package Contents: 1 x Heatsink Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.