General Knoppix support for those who've read the FAQ at the Wiki
NEW Sealed Cisco SFP-10G-LR 10GBASE-LR SFP+ 1310nm 10km *US Shipping*
$20.00
Mellanox ConnectX-2 Single Port SFP+ 10GB Ethernet Adapter - MNPA19-XTR
$19.99
New Sealed Cisco SFP-10G-LR 10GBASE-LR SFP Plug-in Transceiver Module
$15.00
LOT OF 20 Genuine Cisco SFP-10G-SR V03 10GBASE-SR SFP+ Transceiver Module
$74.99
Lot of 10 SFP-GB-GE-T Copper RJ45 10/100/1000Base-T 100m Transceiver Modules
$29.92
Lot of 10 - SFP-10G-SR OEM CISCO 10-2415-03 850nm 10GBASE-SR SFP+
$19.99
OEM Intel X520-DA2 Ethernet Server Adapter 10Gbps Dual Port SFP+ E10G42BTDAPG1P5
$16.99
🔥🔥🔥Genuine Cisco SFP-10G-SR V03 10GBASE-SR SFP+ Transceiver 10-2415-03 🔥🔥🔥
$8.00
Supermicro AOC-STGN-i2S Dual SFP+ Intel 82599 10GbE Controller NIC Rev: 2.10 SFF
$24.99
Dell X1018 X-Series Smart Managed Switches 16-Port Gigabit 2-Port SFP Switch
$45.00