This Dell NT1XP power module is a reliable and compatible power supply for OptiPlex 3020, 7020, 9020 SFF, and Precision T1700 SFF models. It has a maximum wattage of 255 W and features surge protection. The power module comes with 8 pin 12V and 4 pin 12 V connectors, and its form factor is AT. The silver-colored power module has a single fan for cooling and is compatible with Dell brand computers. It has voltage compatibility for 12 V, 120 V, and 110 V. This power supply is perfect for those in need of a replacement or an extra power supply for their Dell-compatible devices.