Super Micro Computer Inc. SMCI expects to report fiscal third-quarter revenue below its prior forecast, the company disclosed Monday. Supermicro now expects to report $1.28 billion in revenue for the March quarter, whereas the midpoint of its earlier forecast was $1.47 billion. The shortfall largely relates to key new component shortages tied to the hardware company’s transition to new-generation product lines, though it said that these issues have “mostly been resolved.” Shares of the company were off more than 8% in premarket trading Monday. Supermicro called out a record backlog as it exited the fiscal third quarter….