The CISCO Catalyst 4500+E Series WS-C4507R+E Switch Main Board (NOT the CASE) is a high-quality networking component designed for enterprise use. This main board includes plugin for various cards such as the WS-X4748UP0E+E, WS-X45-SUP8-E, and AA25350, providing a fully managed system with multiple power supply options. With a sleek form factor and reliable brand like CISCO, this switch offers a robust networking solution for businesses looking for efficient and streamlined network infrastructure. Screws and brace are included.