D-Link 24-port 10/100M NWay Rack Mountable, Auto-negotiation of MDI/MDIX Cross Over and IEEE 802.3x Flow Control. Data transmission: 0.1 Gbit/s, 10BASE-T: 14,880 pps, 100BASE-TX: 148,800 pps. Networking: 4000 entries, Store-and-forward. Management features: Unmanaged. Protocols: Ethernet, Ethernet, Fast Ethernet. Connectivity: Wired. Memory: 0.256 MB. Weight & dimensions: 19", 1U, 441 x 207 x 44 mm, 2650 g. Energy management: 39 W, 100 – 240 VAC, 50/60 Hz