The Keysight N6702A is a 1200 W 1U high, 4-slot modular power system mainframe that accepts from 1 to 4 N6700 series DC power modules in any combination. Modules are ordered separately. The N6700B offers GPIB, LAN, and USB, interfaces standard, and LXI compliance. Select from more than 20 different DC power modules, ranging in capability from basic to high precision, and in power from 20 - 300 W.