The product is a lot of 6 Supermicro PWS-1K21P-1R 1200W switching power supplies, designed for ATX form factor motherboards. These power supplies are 80 PLUS GOLD certified for energy efficiency, with a maximum power output of 1200W and a voltage compatibility of 240V. They feature a single fan for cooling and a 24-pin connector for easy installation. Perfect for computer systems requiring reliable and high-quality power supply, these Supermicro units offer consistent performance and durability.