Manufacturer: Cisco Systems, Inc Part Number: WS-C3750X-48PF-L Product Type: Switch â?? 48 ports â?? Managed â?? stackable Form Factor: 1 U RAM Memory: 256 MB Flash Memory: 128 MB PORTS: 48 ports Huaying Information Technology Co., Ltd. provides you with Huawei voice communication, video conference, data communication, server storage, network transmission, wireless security transmission access, UPS, cloud computing, worker intelligence and other Internet of things and Cisco switch, video conference, server and other full chain products integrated solutions.