Just a quick test from Intel using a Samsung gen 5 drive on a PCIE connector
https://mobile.twitter.com/ryanshro...7-gb-s-on-alder-lake-system-28-3-gb-s-in-pair
https://mobile.twitter.com/ryanshro...7-gb-s-on-alder-lake-system-28-3-gb-s-in-pair