Summary

This is a decoupled HDD Tray for the HP Microserver N36L (and i guess other Microservers work too).

You will addicionally need 10x2mm decouplers and M3 Screws with Countersink Head:

https://www.amazon.de/InLine-Gummi-Unterlegscheiben-Laufwerks-Entkopplung/dp/B002IY26W6/ref=sr_1_1?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&dchild=1&keywords=Laufwerksentkopplung&qid=1635683103&sr=8-1

https://www.amazon.de/s?k=senkkopf+m3&__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&ref=nb_sb_noss_2