She had a total length of , a pressure hull length of , a beam of , a height of , and a draught of . The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of  for use while surfaced, two Garbe, Lahmeyer & Co. RP 137/c double-acting electric motors producing a total of  for use while submerged.
She had a total length of , a pressure hull length of , a beam of , a height of , and a draught of . The submarine was driven by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a combined output of  for use while surfaced, and two Garbe, Lahmeyer & Co. RP 137/c double-acting electric motors producing a total of  for use while submerged.