5*10/100/1000Base-T Gigabit Ethernet ports LAN 1, VIP port :high performance priority port for data connections IEEE 802.3x Flow Control for Full Duplex mode Back Pressure for Half Duplex mode Supports Full/Half Duplex in 10M and 100M mode Supports Full Duplex in 1000M mode Supports full wire speed reception and transmission Supports Store-and-forward operation Supports Asus Green Network feature, Link down detection and Cable length detection Supports 1K MAC Addresses Table Supports 832K bits Packet Buffer Memory Supports up to 12KB Jumbo Frames Supports Auto-detection for MDI/MD-X Availability: Usually ships the same business day. ASUGXD1051$29.50 Please e-mail or call for a price on any item not listed here. Most items that are not in stock are normally available for pickup/shipping within one business day.