OS6855-U24X: Hardened Gigabit Ethernet L3 fanless chassis in a 1U form factor designed to operate in harsh environments. It comes with two 10 Gig SFP+ ports. 22 SFP ports which support various distances. and 2 combo ports configurable to be 10/100/1000 BaseT or 100/1000 Base-X. The 10Gig SFP+ ports can be used either as uplinks or as stacking ports.The bundle comes with an AC power supply. power shelf. country specific power cord. user manual access card and rack mounts.