Question: is fclga2011 the same as lga2011?
Answer: Simply put, Ivy Bridge-EP, Ivy Bridge-EX and Haswell-EP all have LGA2011 designations (officially FCLGA2011, for flip-chips), but have different physical mountings in the socket: ... The notches for the processors (the indents on the top and bottom) are also different, moving to Ivy Bridge-EX.