ports: 5 x 10base-t, 100base-tx & 1000base-t ; rj-45 universal utp cable recognition for straight-through or crossover ca mac address size: 8000 switch fabric: 10gbps forwarding capacity mem : on chip 256kbyte buffer memory per device compliancwe standards : ieee 802.3 e'net, 802.3u fast ethernet, 802.3x flow control & 802.3ab gigabit ethernet forwarding rate : 10mbps -14,880pps/ 100mbps -148,810pps/ 1000mbps -1,488,100pps dimensions : 192.5 x 118.5 x 32 mm (w x d x h) * store-and-forward transmission method * desktop or wall-mount design * non-blocking architecture * protects your existing network investments while providing you with a straightforward migration path to faster gigabit speeds * auto mdi/mdi-x crossover on all ports eliminate the need for crossover cables or uplink ports