EXTreme PowerMass™ High-Current Connectors Molex EXTreme PowerMass™ High-Current Connectors are designed to support power supplies and systems that require high-current transfer in challenging and thermal-constrained spaces. Molex EXTreme PowerMass is a high-current, board-to-board, hybrid power and signal, modular connector system providing 380.0A per linear inch current density. The system is available in coplanar and right-angle to vertical board-to-board orientations. Applications include networking, telecommunications, and power supplies.