The product is a lot of 2 Dell T320, T420, T620 495W Platinum Power Supply units, model number D495E-S1, with a maximum output power of 495W. These power supplies are designed for use with Dell servers and feature a cooling system with one fan. Manufactured in China, they are compatible with various Dell server models including T320, T420, R620, and R720. Ideal for enterprise networking and server applications, these power supply units provide reliable and efficient power management for a range of server systems.