Zyxel 24-Port Gigabit Ethernet Unmanaged Switch - Fanless Design with 2 SFP Ports [GS1100-24] Supports MDI/MDI-X connection Allows point-to-point link with IEEE 802.3x flow control Helps you save energy with its Green Ethernet Feature Equipped with 2 extra SFP slots for easy long-distance deployments Fanless design. It is suitable for small or quiet office environments. Jumbo frame supported up to 9K bytes - 26 ports, rack mount format