Using knoppix on laptops. LCD screens, APM, PCMCIA ...
Cisco SG300-52-Port Gigabit Managed Rack Mountable Network Switch
$44.95
Cisco Catalyst C9300-24UX-A 24 Port 10G/mGig Copper UPOE Network Switch
$499.00
Dell N4064 48-Port 10GbE SFP+ Network Switch w/ Dual PSU
$279.99
TP-Link 24-Port Gigabit Ethernet Unmanaged Switch Desktop/Rackmount TL-SG1024D
$59.49
Cisco WS-C2950-24 Layer 2 Switch 24-Port 10/100 Catalyst 2950 Series
$25.00
NETGEAR GS108 ProSafe 8-Port GbE Unmanaged Switch w/ Power Adapter
$14.99
HP ProCurve 2530-48G 48 Port Gigabit Ethernet Network Switch J9775A TESTED
$30.70
Cisco SG300-10P 10x PoE RJ45 Gigabit Switch SRW2008P-K9 V03 + Power Adapter
$34.99
Dell N2048 48-Port Gigabit Managed Ethernet Power Switch
$35.00
Cisco WS-C2960X-24TS-L 24 Port Gigabit Ethernet Network Switch 2960X
$49.99