Meaby this info can help http://www.knoppix.net/forum/viewtopic.php?t=11711
Meaby this info can help http://www.knoppix.net/forum/viewtopic.php?t=11711

SFP TO RJ45 TRANSCEIVER SFP MODULE COPPER SFP OPTICAL PORT TO RJ45 ETHERNET PORT
$7.99
Dell Intel X710-DA2 5N7Y5 Dual-Port 10GbE SFP+ PCIe 3.0 x8 Network Adapter
$27.50
Cisco Acacia DP04QSDD-E25-840 400G QSFP-DD Coherent DCO Transceiver Module
$699.99
Cisco QSFP-40G-SR-BD Module 10-2945-02 NEW CLAMSHELL
$45.50
Genuine Cisco SFP-10G-SR 0-2415-03 10 Gigabit Transceiver
$5.40
Intel X520-DA2 10Gb 10Gbe 10 Gigabit Network Adapter NIC Dual Port E10G42BTDA
$28.94
HP 560SFP+ 10GB 2-port PCIe NIC Ethernet ADAPTER 669279-001 w/ (2) 10GB SFP+
$16.99
Genuine Cisco SFP-10G-LR 10-2457-02 SFP 10GBASE Transceiver x3 Tested Clean
$40.00
NEW Sealed Cisco SFP-10G-LR 10GBASE-LR SFP+ 1310nm 10km *US Shipping*
$24.00
Dell 10 Gigabit SFP+ SR Transceiver 0XYD50 NEW SEALED
$24.99