Warren got off to a quick start, hitting 3-pointers on the Wolfpack's first two possessions, as NC State never trailed. He hit 7 of 10 in the first half, scoring 17 of the Wolfpack's 35 first-half points and helping NC State to a 35-25 halftime lead.
Kyle Washington added 13 points for the Wolfpack.
Jarell Eddie and Devin Wilson each scored 14 points for Virginia Tech (9-17, 2-12). The Hokies, who played without starting guard Ben Emelogu (ankle), have lost 12 of their past 13 games.