this is an open box item, but it appears to be brand new. Sold as is no returmsThe Ciena NTK607AAE5-002, WOCUAMNMAA, FRONT COOLING TRAY is a switch module designed for enterprise networking and server use. Produced by Ciena, a reputable brand in the industry, this tray serves as a cooling solution for maintaining optimal performance and longevity of network equipment. Its front cooling design helps to efficiently dissipate heat, ensuring the reliable operation of connected devices and systems. Ideal for businesses and organizations looking to enhance their networking capabilities and improve system performance.