This PSU provides upto 6 Amps of current at 5V. That enough to power a Bitaxe Gamma, Supra or Ultra and even allow headroom for limited overclocking. These Bitaxe 5V Power Supplies deliver stable 5V DC output, ideal for powering Bitaxe Bitcoin miners and other USB or microcontroller projects. Comes with a 2.1/5.5 mm barrel plug for direct connection to the Bitaxe. Safety Protection: Short-Circuit Protection, Overload Protection, Over Voltage Protection to protect your device. Global compatibility with 100-240V Input power voltage & 50-60 Hz input frequency The package includes 1pcs 5V 6A Power Supply