https://www.theregister.co.uk/2018/10/22/super_micro_bloomberg_china_spy_chip/

The computer server maker at the center of a dramatic secret Chinese spy-chip story has again insisted the yarn is wrong, and called the whole thing "technically implausible."

US-headquartered Super Micro sent a note to its customers late last week denying all claims in a recent Bloomberg BusinessWeek article that the Chinese government had slipped tiny surveillance chips into selected Super Micro's server motherboards during their manufacture in the Middle Kingdom.