S3700-28TP-PWR-EI(24 Ethernet 10/100 PoE+ ports,2 Gig SFP and 2 dual-purpose 10/100/1000 or SFP,without power module)

S3700-28TP-EI-AC(24 Ethernet 10/100 ports,2 Gig SFP and 2 dual-purpose 10/100/1000 or SFP,AC 110/220V)

S3700-52P-SI-AC(48 Ethernet 10/100 ports,4 Gig SFP,AC 110/220V)

S3700-52P-EI-24S-AC(24 Ethernet 10/100 ports,24 FE SFP,4 Gig SFP,AC 110/220V)

S3700-52P-PWR-EI(48 Ethernet 10/100 PoE+ ports,4 Gig SFP,without power module)

S3700-52P-EI-48S-AC(48 FE SFP,4 Gig SFP,AC 110/220V)

S3700-28TP-EI-DC(24 Ethernet 10/100 ports,2 Gig SFP and 2 dual-purpose 10/100/1000 or SFP,DC -48V)

S3700-28TP-EI-24S-AC(24 FE SFP,2 Gig SFP and 2 dual-purpose 10/100/1000 or SFP,AC 110/220V)

S3700-28TP-EI-MC-AC(24 Ethernet 10/100 ports,2 Gig SFP and 2 dual-purpose 10/100/1000 or SFP,2 MC ports,AC 110/220V)

S3700-28TP-PWR-SI Bundle(24 Ethernet 10/100 PoE+ ports,2 Gig SFP and 2 dual-purpose 10/100/1000 or SFP,with 500W AC power supply)

S3700-52P-PWR-SI Bundle(48 Ethernet 10/100 PoE+ ports,4 Gig SFP,with 500W AC power supply)