ports : 16 x 10/100 mbps rj-45 ports data transfer rate: forward rate (10 mbps)14,800 packet per sec. forward rate (100 mbps)148,000 packet per sec. mac : 4,000 addresses std compliance : ieee 802.3i, 802.3u latency : 20 usec max(10 to 100 mbps) queue buffer : 320 kbytes dimensions : 330 x 202 x 43mm (w x d x h) * store-and-forward packet switching * auto-detects speed and duplex * auto uplink technology makes the right connection * rack mount kit included * 200mbps throughput per port