Asus Rack-mountable Gigabit Switch (GX-D1241) 24x RJ-45 10/100/1000 Mbps Ethernet ports with Auto MDI/MDIX; Complies with IEEE 802.3 (10Base-T), IEEE; 802.3u (100Base-TX), IEEE 802.3ab (1000Base-T) standards; Auto MDI/MDI-X function; Auto negotiation of speed (10/100/1000Mbps), and duplex mode Supports IEEE 802.3x flow control for Full Duplex mode; Back pressure support for Half Duplex mode; Up to; 2Gbps in full-duplex mode; Supports IEEE 802.1p QoS Prioritization: 4 Queues; Supports Store & Forward architecture 4K MAC Address with automatic address learning and aging; Supports 9.6KB Jumbo Frame; Standards: IEEE 802.3 10Base-T Ethernet; IEEE 802.3u 100Base-TX Fast Ethernet; IEEE 802.3ab 1000BASE-T Gigabit; Ethernet; IEEE 802.3x Flow Control Port Attributes: 24x RJ-45 10/100/1000Mbps Ethernet ports; Auto MDI/MDIX; Auto-negotiation - Speed, Duplex mode, and Flow control; AC Power; Data Transfer Rates: Ethernet: 10Mbps (Half-duplex), Ethernet: 20Mbps (Full-duplex) Fast Ethernet: 100Mbps (Half-duplex); Fast Ethernet: 200Mbps (Full-duplex); Gigabit Ethernet: 2000Mbps (Full-duplex); Performance: Up to 8,000 MAC Address, Forwarding Rate: 35.7Mpps, Switch Fabric: 48Gbps, Buffer Memory: 500KB 9.6KB Jumbo Frame support; Transmission Method: Store-and-forward; Power Supply: Input - 100-240Vac, 50/60 Hz Internal Universal Power; Power Consumption: Max. 30Watts; Regulations: FCC, CE, CCC