I am open to the computers I have, I used to list them with photos, now I'll just list them:
computer namedescriptionusestateretirement inWatts
betaXeon E3-1275v3, 32 GB RAMMain workstationon, powersavings2022?
earth2012 Mac Mini, 16 GB RAMMiscellaneousoff2020?
uranusAtom N270, 1 GB RAMMain firewallon202010W
gammaPC-Engines APU1, 2 GB RAMLivingroom firewalloff2022?
mercuryNUC Core i3, 4 GB RAMIPSEC acceleratoron, powersavings2020+10 W
saturnAcer Aspire One netbook, 4 GB RAMUtility netbooksleeping (zzz)20200.5W sleeping
spica2015 Macbook Pro, 16 GB RAMDJing & remote useon only when I'm at my parents (weekends)2023?
deltaAcer Aspire Netbook, 8 GB RAMLinux netbookoff2022+
rpiRaspberry Pi v.1Linux access pointoff20205 watts?
zetaUbiquiti Networks ER-8livingroom router (yes, I know)off202235 watts?
etaUbiquiti Networks Unifi Security Gatewayassists gamma for extra port in livingroomon2022+7 watts
fitchHPE 10GbE switchloud, in officeon, 7 watts powersavings mode20287 W
thetaCore i3 workstationofficeoff2020?
iotaPowerMac G5officeoff2022+100 W?
AREA52UTP-LINK WR-1043NDv4hallwayoff2022+5W
AREA52SOLARTP-LINK WR-841WRv10livingroom window beside solar paneloff, seperate grid/battery 6-8 KWh per year2020+3W

I also have 4 VPS's by now, together under 20 EUR/mo at various networks. They are all OpenBSD VPS's.