The Agilent E3644A, 8V / 8A, or 20V / 4A, 80-watt single-output programmable power supply features built-in GPIB and RS-232 connectivity and SCPI language compatibility making it easy to create flexible power programs. For general-purpose use, this programmable power supply offers the performance of a system power supply at a surprisingly affordable price. Features 80 W single output, dual range front and rear output terminals, Over-voltage protection and remote sensing, SCPI compatible, Built-in GPIB and RS-232, Low noise and excellent regulation.