I am open to the computers I have, I used to list them with photos, now I'll just list them:

Computers deemed to be retired/mothballed in 2020

computer namedescriptionusestateretirement inWatts
earth2012 Mac Mini, 16 GB RAMGiven awayoff2019?
uranusAtom N270, 1 GB RAMlivingroomon202010W
saturnAcer Aspire One netbook, 4 GB RAMUtility netbooksleeping (zzz)20200.5W sleeping
rpiRaspberry Pi v.1Linux access pointoff20205 watts?
Freifunk routers3 x TP-LINK WR-841WRv10in packagesoff2020+3W
thetaCore i3 workstation 4 GB RAMofficesleeping2020?

computers that remain after 2020

computer namedescriptionusestateretirement inWatts
betaXeon E3-1275v3, 32 GB RAMMain workstationon, powersavings2022?
gammaPC-Engines APU1, 2 GB RAMLivingroom firewalloff2022?
zetaUbiquiti Networks ER-8main routeron cabinet202235 watts?
etaUbiquiti Networks Unifi Security Gatewayoff2022+7 watts
AREA52UTP-LINK WR-1043NDv4hallwayoff2022+5W
iotaPowerMac G5officeoff2022+140 W
deltaAcer Aspire Netbook, 8 GB RAMLinux netbookoff2022+
mercuryNUC Core i3, 4 GB RAMcabineton, powersavings202310 W
spica2015 Macbook Pro, 16 GB RAMDJing & remote useon only when I'm at my parents (weekends)2023?
fitchHPE 10GbE switchin cabinetoff20287 W

I had 6 VPS computers at one point, together under 20 EUR/mo. The zombieload attack changed my mind and I went bare-metal. I'm not disclosing info about the bare-metal servers here.