Williams shot 11-of-13 and Mason Plumlee, who was matched up at center to start the game against his older brother Miles, chipped in 14 points and 11 rebounds for the Nets, who won their ninth straight home game. Joe Johnson scored 19 points and Shaun Livingston supplied 12 points and five assists.
Markieff Morris and Gerald Green had 18 and 17 points, respectively in reserve roles for Phoenix. Goran Dragic tallied 13 points and three steals as the Suns two-game win streak came to an end. Miles Plumlee scored just three points in the setback.
The Nets have now won a franchise-best five straight against the Suns.