BEIJING, Feb 6 (Reuters) - Intel (INTC) and AMD (AMD) have notified Chinese customers of supply shortages for server central processing units (CPUs), with Intel warning of delivery lead times of up to six months, people with knowledge of the delays said. The supply ​constraints have driven up prices for Intel's server products in China by more than 10% generally, although pricing varies by ‌customer contract, according to one of the people. Booming investment in artificial intelligence infrastructure has ...