The CanaKit 3.5A USB-C power supply (UL Listed) is specially designed and tested for the Raspberry Pi 4. This CanaKit power supply incorporates a noise filter to provide the highest power stability. It incorporates a thick 18 AWG and well insulated cable with a 5-foot cable length.<br> <br> <br> <b>Important Note<b><br> <br> <b>Compatible with Raspberry Pi 4 only. Not compatible with Raspberry Pi 3 B, B+, A+ or Pi Zero.</b>