Rackmount switch switching ports 72 fast ethernet ports 72 x rj 45 ethernet ports 72 x rj 45 switch type standalone management managed network standards flow control spanning tree protocol stp quality of services qos vlan backplane bandwidth 384 gbs packet forwarding rate 1071 interface 1x serial db 9 buffer 36 864 kbit flash memory 24 mb link protocols 10base t 100base tx mode store and forward dimensions 442 x 3886 x 1334 cm weight 1