Cisco Small Business SG350X-48 Managed L2/L3 Gigabit Ethernet (10/100/1000) 1U Black Cisco SG350X-48 48-Port Gigabit Stackable Managed Switch, 440 x 257 x 44 mm, 3.73 kg, NA
Cisco 350X Series Stackable Managed Switches Quick Start Guide
Amazon.com: Cisco SG350X-48 Stackable Managed Switch with 48 Gigabit Ethernet (GbE) Ports, 2 x 10G Combo + 2 x SFP+, Limited Lifetime Protection : Everything Else