Tarjeta de video NVIDIA GTX 780M 4GB actualización mediados de 2009 2010 2011 para iMac 27" A1312
Apple iMac 27" A1312 Mid 2011 NVIDIA HD6970M upgrade GTX 780M 4GB GDDR5 GPU Video Card. Custom official may open and remove for inspection. Full warranty against any defective product.