The TEG-S327 has 5 x 1Gbps ports and 2 x 2.5Gbps ports. To take advantage of these port speeds you will need to connect them to devices that support the same specifications. For example, for gigabit speeds you will need to connect the gigabit ports to gigabit capable devices. For 2.5Gbps you will need to connect to devices capable of 2.5Gbps.