The 21 year old French star has joined from top French side Troyes where he has spent all of his career with, except a six-months loan spell with Le Havre.
Christian Nade (left) is challenged in a game against Nantes.
Whilst in the French under-21 national side Nade has played alongside Patrice Evra who has recently netted a deal at Manchester United and Jeremie Aliadiere of Arsenal.
"It is a dream come true for me to come to England to play. I could have stayed in France and at Troyes but this is a great opportunity for me." Nade told sufc.co.uk.