Digium 24 port modular analogue PCI Express x1 card, no interfaces and HW Echo Can – compatible with all modules £539.51 inc. VAT
Netgear ProSAFE 24 Port PoE Smart Rackmount Gigabit PoE+ Switch w/ 2 x 1Gbps SFP Ports (190W) £410.15 inc. VAT