3Y Power YM-3901A CP-1266R2 1250W Server Power Supply

High-capacity server power supply — 3Y Power model YM-3901A (CP-1266R2) rated at 1250W. Built for server use and intended as a drop-in replacement for systems that list YM-3901A or CP-1266R2 as the required PSU. Please confirm compatibility by matching the part number(s) before ordering.