General Knoppix support for those who've read the FAQ at the Wiki
Lenovo ThinkSystem NE1072T RackSwitch 48x10GbE w/ 6x 40GbE QSFP+
$200.00
HP ProCurve 2520G J9298a 8x RJ45 PoE Network Switch No Adapter
$39.99
Cisco Nexus 9300-EX 48x25GbE SFP 6X100GbE QSFP Switch W/Ears P/N:N9K-C93180YC-EX
$599.99
*NETGEAR PROSAFE (JGS524V2) 24-Port Gigabit Ethernet Switch *NO AC*
$29.99
NETGEAR GS305300PAS 5 Port Gigabit Ethernet Unmanaged Switch
$22.99
Cisco SG300-52-Port Gigabit Managed Rack Mountable Network Switch
$44.95
NETGEAR GS305Pv2 5-Port Gigabit Ethernet Unmanaged SOHO Switch W/PoE+
$19.99
Tenda SG108 8-Port Gigabit Ethernet Desktop Switch
$14.99
8-Port Poe Switch Gigabit- Waterproof Outdoor Ethernet Unmanaged Network Switch
$95.99
TP-Link 24-Port Gigabit Ethernet Unmanaged Switch w/ rack ears TL-SG1024D
$39.99