===================== Piqsels =====================

https://www.piqsels.com/en/public-domain-photo-jrrjs
https://www.piqsels.com/en/public-domain-photo-zbtwe
https://www.piqsels.com/en/public-domain-photo-zbpqa
https://www.piqsels.com/en/public-domain-photo-jrryk
https://www.piqsels.com/en/public-domain-photo-jrreu
https://www.piqsels.com/en/public-domain-photo-floxl
https://www.piqsels.com/en/public-domain-photo-zwrva

===================== Crezilla =====================

https://creazilla.com/nodes/23796-computer-server-clipart
https://creazilla.com/nodes/20701-server-clipart