Nvidia informed its Chinese customers that H20 chip availability is constrained, according to The Information. The chipmaker announced this week it plans to restart H20 exports to China, pending U.S.

The head of a House of Representatives panel on China told U.S. Commerce Secretary Howard Lutnick that resuming sales of Nvidia's H20 chips to China threatens to advance Beijing's AI capability, stepping up his criticism of the decision and saying the original ban was "the right call.