10/100/1000 auto-sensing ports to automatically detect optimal network speeds Two small form-factor pluggable GBIC module slots (SFP) 52 Gbps switch fabric All RJ45 ports with Auto-MDIX (auto uplink) support Supports NWay auto-negotiation Store and forward switching architecture Full/half duplex operation Complies with the IEEE 802.3az (Energy Efficient Ethernet EEE) specification Green Ethernet power-saving technology that deactivates unused ports and adjusts power levels based on the cable length Supports 802.3x flow control for full duplex mode and collision-based backpressure for half duplex mode Supports jumbo frames up to 9 kBytes 512 kBytes buffer memory Supports up to 8K MAC address entries Fanless design ideal for silent operation Includes 19' rackmount brackets Supports MAC address auto-learning and auto-aging Fully NDAA-compliant Three-year warranty