Around the $500 price range for 24 ports, I paid $150 for my TP-Link T1600G-28TS which is a fully managed "L2+" switch with basic Layer 3 routing functionality

Around the $500 price range for 24 ports, I paid $150 for my TP-Link T1600G-28TS which is a fully managed "L2+" switch with basic Layer 3 routing functionality (but it's IPv4 only).