General Knoppix support for those who've read the FAQ at the Wiki
Cisco Catalyst (WSC3750X12SS) 12-Ports Gigabit Ethernet Switch
$120.00
LOT OF 20 Genuine Cisco SFP-10G-SR V03 10GBASE-SR SFP+ Transceiver Module
$95.00
Cisco Catalyst C9300-24UX-A 24 Port 10G/mGig UPOE Network Switch + NM-8X Module
$579.97
Cisco Meraki MA-PWR-1025WAC Switch 1025W Power Supply DPS-1025AB C - BRAND NEW -
$350.00
Cisco C3850-NM-2-10G 2 Port Network Exp.Module for 3850
$32.90
CISCO SFP-10G-LR SFP TRANSCEIVER MODULE GBIC 10G 10GB SFP - 1 Year Warranty
$39.99
Cisco Catalyst C3KX-NM-1G 4 SFP Ports Network Module For Cisco 3750X And 3650X
$9.50
Genuine Cisco SFP-10G-SR V03 10GBASE-SR SFP+ Transceiver Module 10-2415-03
$8.00
New Cisco C3KX-PWR-440WDC 440W DC Power Supply (Open Box)
$499.00
Cisco Catalyst C9500-40X-A 40-Port 10G Network Switch w/ 2X PSU Blank Module
$1249.99