Oceangoing very long-range combat U-Cruiser type of conventional design developed in 1937–38
| Surface/submerged displacement: | 3140/3930 t |
| Overall length/beam/draught: | 114.96 m/9.50 m/6.17 m |
| Standard main armament: | 6 torpedo tubes (4 bow, 2 stern) with up to 12 torpedoes, four 5 inch guns in twin turrets |