S5731I-L8T2S2XN (8*10/100/1000BASE-T ports, 2*GE SFP ports, 2*10GE SFP+ ports, DIN Rail Mounting,Dual redundant 9.6 to 60V DC power, Fanless)
S5731I-L8P2S2XN (8*10/100/1000BASE-T ports, 2*GE SFP ports, 2*10GE SFP+ ports, PoE+, DIN Rail Mounting,Dual redundant 48 to 57V DC power, Fanless)
S5731I-L8T2SN (8*10/100/1000BASE-T ports, 2*GE SFP ports, DIN Rail Mounting,Single 9.6 to 60V DC power, Fanless)
S5731I-L16T2S2XN (16*10/100/1000BASE-T ports, 2*GE SFP ports, 2*10GE SFP+ ports, DIN Rail Mounting,Dual redundant 9.6 to 60V DC power, Fanless)