All Prime model thermal cyclers have an enhanced thermal engine, a color touch interface, and preprogrammed protocol templates. ³Prime offers programming via a touch interface. Up to 1,000 programs may be stored, and it works well for both research and teaching labs. ³PrimeX and ³PrimeG are mid-sized cyclers that include all the features of the ³Prime instrument alongside expanded sample capacity and gradient cycling capability. The Prime and PrimeG instruments are full-sized models with a versatile, fully interchangeable block system that works well for all routine PCR needs.