WS-X4448-GB-LX Cisco Catalyst 4500 Switch Module (New) by Cisco $4,974.00 SKU WS-X4448-GB-LX 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Condition: NEWAvailability: Stock AvailableCisco 48-port 1000BASE-LX SFP Module - 48 x 1000Base-LX (WS-X4448-GB-LX)