|Ordered||2 Apr 1942|
|Laid down||16 Jun 1943||AG Weser, Bremen (werk 1086)|
|Launched||6 Jan 1944|
|Commissioned||14 Apr 1944||Kptlt. Johannes Rodig|
|Successes||No ships sunk or damaged|
Sunk 10 April 1945 in the Bay of Biscay west of St Nazaire, France in position 47.35N, 10.33W, by depth charges from the British destroyer HMS Vanquisher and the British corvette HMS Tintagel Castle. 51 dead (all hands lost).
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-878 did not suffer any casualties (we know of) until the time of her loss.