Ports 2 x thunderbolttrade 3 usb type c pcie and lanes pcie gen3 x 4 bracket low profile pre installed full height form factor low profile supported operating systems quts hero 4.5.0 or later qts 4.4.0 or later package contents 1 x qxp t32p low profile pre installed bracket full height bracket the thunderbolttrade 3 expansion card enables high speed data transfer to accelerate everyday tasks and applications'. '.strtoupper('v')ideo editing studios in particular can greatly benefit by being able to smoothly transfer, display and edit 4k videos in real time'. '.strtoupper('t')hunderbolttrade 4 devices can also be used by a nas with a thunderbolttrade 3 expansion cards when connected using standard thunderbolttrade 4 certificated cables or passive thunderbolttrade 3 cables shorter than 0.8 meters.