if my memory serves me well, correctly, etc.

if memory serves

If my memory is correct. If memory serves, you were looking for a copy of his new book last time. Good news—we just got some in.
See also: if, memory, serve
Farlex Dictionary of Idioms.

if my ˌmemory serves me ˈwell, corˈrectly, etc.

,

if ˌmemory ˈserves

if I remember correctly: I first went to Canada in June 1982, if my memory serves me right. It was 1997, if memory serves.
See also: if, memory, serve
Farlex Partner Idioms Dictionary
See also:
  • correctly
  • if memory serves
  • if my memory serves me correctly
  • pass from
  • pass from (something)
  • have a memory like an elephant
  • page in
  • enshrine (someone's) memory in (one's) heart
  • have a memory like a sieve
  • have a mind/memory like a sieve