Able to run two totally independent protocols at same time Two different blocks for smaller (32-well) and larger (64-well) assays Larger block features optional (GX2/GX2e) gradient function for PCR optimization Can be combined with Eppendorf's PCR Tubes, PCR Strips or divisible plates Intuitive graphic programming Universal block for strips, 0.1 mL, 0.2 mL and 0.5 mL PCR tubes Small footprint and E-mail notification flexlid concept allows use of all types of consumables with automatic height adjustment of lid Heating technology of the block: Peltier Elements, Triple Circuit Technology Interfaces : USB, Ethernet, CAN in/out Universal Aluminum thermal block Mastercycler nexus X2/X2e Without gradient Lid temperature range: 37 to 100°C Mastercycler nexus GX2/GX2e With gradient Gradient block: Over 12 columns Gradient range: 1 to 20°C Gradient temperature range: 30 to 99°C