This Cisco Catalyst WS-C3750X-48PF-L switch offers reliable wired-Ethernet (RJ-45) network connectivity with a maximum data transfer rate of 1 Gbps. Its fully managed network management type allows for easy configuration and monitoring. The rack-mountable form factor and 48 LAN ports make it suitable for enterprise networking and servers.This gigabit Ethernet switch is 17.5 inches (44.5 cm) long, 1.75 inches (4.45 cm) tall, and 19.5 inches (49.5 cm) wide. It has a Layer 2 protocol and supports SFP, Ethernet (RJ-45), and stacking connector types. The device connectivity includes serial (RS-232) and USB 2.0 interfaces. This Cisco model does not come with a manufacturer warranty and was manufactured in China. It is ideal for ATA over Ethernet networks and supports RAID levels 0+1.