Netis ST3124G 24-Port 10/100/1000M Gigabit 19-inch Rackmountable Switch, Auto-negotiation, P&P, Mounting Kits Included 24 x 10/100/1000M Auto-Negotiation RJ45 ports (Auto MDI/MDIX) Supports 16K MAC address 48 Gbps Switching Capacity 3.5Mbit SDRAM Packet buffer Fanless, rack mountable standard 19-inch metal housing, built-to-last