 Officially, the standard tonnage was , however.The U-boat 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 MWM RS 127 S four-stroke, six-cylinder diesel engines of for cruising, two Siemens-Schuckert PG VV 322/36 double-acting electric motors producing a total of for use while submerged.