*Order-related, cannot be canceled*, 48 RJ-45 autosensing 10/100/1000 ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T) Duplex: 10BASET/ 100BASE-TX: half or full 1000BASE-T: full only 4 SFP+ 1/10GbE ports Fan-less operation Fan-less design for 8-port models, 24- and 48-port non-PoE models, making the switches ideal for office deployments.