The Dell L290EM-01 is an internal desktop power supply designed for Dell computer systems. Its compact galvanized-metal enclosure includes a large ventilation grid and an integrated cooling fan to support reliable airflow during operation. The fixed multicolored cable bundle terminates in white motherboard power connectors, allowing connection to the matching Dell system board. The label identifies Dell part number 0HYV3H and a maximum combined DC output of 290 watts. It also carries an 80-PLUS Bronze efficiency certification. This replacement PSU is suitable for repairing or restoring supported Dell desktops when the unit has failed. Compatibility depends on chassis dimensions, mounting points, connector layout and system model, so compare the part number and connections before purchase.