You found 210 products in Expansion Modules

Cisco (SFP-GE-S) (SFPGES) Expansion Module
SFP (mini-GBIC) Interface, Cabling: Ethernet 1000Base-SX
2 store offers from £272 - £276

Cisco WS-SVC-CMM (WS-SVC-CMM=) Expansion Module

2 store offers from £4034 - £4732

Cisco (HWIC-4T=) (HWIC4T) Expansion Module
Serial RS-232 Interface, Cabling: Serial RS-232, Serial RS-449, Serial RS-530, Serial RS-530A, V.35, X.21
2 store offers from £891 - £1382

Cisco (VWIC2-2MFT-T1/E1) (VWIC22MFTT1E1) Expansion Module

2 store offers from £954 - £1016

Cisco (WS-X4424-GB-RJ-45=) Expansion Module
1000 Mbps, Plug-In Module, Cabling: Ethernet 1000Base-T, Ethernet 100Base-TX, Ethernet 10Base-T
3 store offers from £1411 - £1683

Cisco (WIC-1ENET=) Expansion Module
Plug-In Module
3 store offers from £147 - £162

Hewlett Packard (J4863A) Expansion Module
1000 Mbps, Plug-In Module, Cabling: Ethernet 1000Base-T, Ethernet 100Base-TX
3 store offers from £482 - £511

Cisco (NM-2W) Expansion Module
Plug-In Module
2 store offers from £605 - £827

Cisco Catalyst 6500 (WS-X6724-SFP) (WSX6724SFPRF) Expansion Module
1000 Mbps, Plug-In Module, Cabling: Ethernet 1000Base-LH, Ethernet 1000Base-LX, Ethernet 1000Base-SX, Ethernet 1000Base-T, Etherne...
2 store offers from £6054 - £7222

D-link DES-6504 (DES6504) Expansion Module
100 Mbps, Plug-In Module, Cabling: Ethernet 100Base-FX
2 store offers from £1386 - £1670