As of August 2015, there are 327 customer reviews on Amazon.com for Seiki SE50UY04 50-Inch 4K Ultra HD 120Hz LED TV, which collectively receive a 2.5 out of 5-star rating. The most current ratings at the time were mixed, ranging from 1 to 5 stars.
One customer who gave this particular Seiki television set 1 star said that the product stopped functioning after a year, although it was decent when it worked. Another customer who gave the set 3 stars said there was a line in the middle of the screen. A third customer gave the set 5 stars, stating that the television was a great buy for its cost, although the sound was horrible. Overall, Seiki televisions seem to be cheap televisions that function, but not at a high-quality level.