General Knoppix support for those who've read the FAQ at the Wiki
Lot of 10pcs Brocade 57-1000012-01 8Gbps SWL 850nm SFP+ Optical Transceivers
$19.00
Cisco GLC-FE-100FX-RGD 100BASE-FX SFP Transceiver Module
$17.99
Extreme Networks 25G SFP28 SR Lite-FEC 850nm 10502 AVAGO AFBR-725TMZ-EX1
$109.00
SFP-10G-SR V03 Original CISCO 10-2415-03 850nm 10GBASE-SR SFP+ Multi mode Module
$5.89
Genuine Cisco SFP-10G-SR V03 10GBASE-SR SFP+ Transceiver Module 10-2415-03
$8.00
SFP-10G-SR Original Cisco 10GBASE-SR SFP+ V02 Multi mode Transceiver 10-2415-02
$5.00
Brand New Cisco GLC-LH-SMD 1000BASE-LX/LH SFP Module 1310nm 10km SMF LC
$13.89
Genuine Cisco ‎SFP-10G-SR Transceiver Module (10-2415-03)
$5.85
New Cisco w/ Hologram SFP-10/25G-CSR-S 10/25GBASE-CSR SFP28 Transceiver Module
$69.99
New HP HPE Aruba J9150D 10G SFP+ LC SR 850nm 300m MMF XCVR Transceiver Module
$49.99