Use 15-Pin SATA power connector from PC power supply to power LED strips and other 5V devices.. DC 5.5 mm x 2.1 mm barrel plug, the most commonly used size for versatile applications.
(Please note: Not compatible with 5.5 mm x 2.5 mm female DC connections. ).. Cable connector type male 15pin SATA.. Cable connector type DC 5.5 mm x 2.1 mm plug power adapter.. The power adapter cable can be used for 5V powered devices up to 3A with the same connector specification.