The Amstrad Colour Personal Computer, better known as the Amstrad CPC, is a series of 8-bit home computers designed by Amstrad. The first models were released in April 1984 in Europe at a retail price ranging from £199 to £299, depending on the package bought. The computers were not released outside of Europe. The CPC series had five distinct models: The CPC464, CPC664, CPC6128, 464plus, and 6128plus. The computers were manufactured until an unspecified time in 1990.