Vertically mount your server or networking equipment to a wall in this low profile cabinet the rk419walvo 4u 19 inch steel side mount rack is a wall mountable 4u solid steel rack providing a robust solution for mounting your telecom network or server equipment this taa compliant product adheres to the requirements of the us federal trade agreements act taa allowing government gsa schedule purchases this server rack can be mounted in a server room office or above a doorway in rooms