Zyxel 48-Port Switch Gigabit Ethernet Smart-L2 Managed | 4X 10G SFP+ | Optional Nebula Cloud | Rackmount | Limited Lifetime Protection [XGS1935-52] 48-Port | 4x 10G SFP+ CZ1104FM2A-YZ42T The u209-005-db25 comes with USB

The u209-005-db25 comes with USB a (male) and db9 (male) connectors

Make the most of your available space The 1U cantilever shelf lets you optimize your working space by giving you the ability to mount equipment to your rack instead of taking up desk or floor space

The Kickstand adjusts nearly 180 degrees effortlessly - it's like magic

1-channel and pass-through audio modes

3M Anti-Glare filters help reduce glare and mirror-like reflections

Zyxel 48-Port Switch Gigabit Ethernet Smart-L2 Managed | 4X 10G SFP+ | Optional Nebula Cloud | Rackmount | Limited Lifetime Protection [XGS1935-52] 48-Port | 4x 10G SFP+ CZ1104FM2A-YZ42T The u209-005-db25 comes with USB