Modules are based upon new 8Gb high density ICs from Samsung. G.SKILL has written to HEXUS today to inform us of its new 'world's fastest' Ripjaws 4 DDR4 128GB (16GBx8) memory kit. The headline speed rating that the new G.SKILL DDR4 128GB memory kit can attain is 2,800MHz, CL16-16-16-36. This new 1.35V memory kit benefits from the use of high capacity 20nm Samsung memory ICs.