General Knoppix support for those who've read the FAQ at the Wiki
LOT OF 20 Genuine Cisco SFP-10G-SR V03 10GBASE-SR SFP+ Transceiver Module
$95.00
New Sealed Cisco GLC-TE 1000BASE-T RJ45 SFP Transceiver module *US Shipping*
$20.00
Cisco Nexus 96-Port 10G SFP+ Switch N9K-93128TX w/ 9K-M12PQ 12-Port 40G QSFP
$149.99
New HP HPE Aruba J9150D 10G SFP+ LC SR 850nm 300m MMF XCVR Transceiver Module
$49.99
ProLabs 10GBase-TX SFP+ RJ-45 Copper Transceiver Module P/N: SFP-10GBASE-T-C NEW
$34.99
Lot of 10 - HP 10Gb SR SFP+ Transceiver 455883-B21 455885-001 456096-001 850nm
$25.99
Original CISCO SFP-10G-SR V03 10-2415-03 850nm 10GBASE-SR SFP+ Multi mode Module
$6.80
Brand New Cisco GLC-LH-SMD 1000BASE-LX/LH SFP Module 1310nm 10km SMF LC
$10.99
CISCO SFP-10G-LR SFP TRANSCEIVER MODULE GBIC 10G 10GB SFP - 1 Year Warranty
$39.99
Finisar FTLX8571D3BCL SFP+SR/SW 10Gb/s 850nm Multimode SFP+ Transceiver Grade A
$7.70