The Corsair CMK128GX4M4A2666C16 is a kit of four 32 GB DDR4-2666 memory modules (PC4-21300) from the Vengeance LPX series. Total capacity is 128 GB. The modules support a timing of 16-18-18-35 at 2666 MHz and require 1.2 V power. The Vengeance LPX memory designed specifically for high-performance overclocking. The heat spreader is made of pure aluminum to dissipate heat faster while the tailor-made high-performance PCB channels the warmth and provides excellent overclocking capabilities. Each integrated circuit has been checked individually for maximum performance potential.