Compatible for X1, X4, X8, X16Comes with low profilce bracket Driver link is on the bracket, pls freely download Support PXE function an Wake on LAN Support DSM, PVE, ikuai, unraid 6.9. 2, OpenWrt ESXI 6.7 (Doesnt support ESXI 7.0 ) Freely compatible, the network card can support multiple system: Windows ME/98SE/2000/XP, Win7 / Win8 / Win10 / Vista / Sever 2003/2008 / 2012 /2016/ Linux / DOS/MAC OS