Corsair CMK16GX4M2A2666C16R Vengeance LPX 16GB (2x8GB) DDR4 DRAM 2666MHz C16 Memory Kit - Red - 16GB DDR4 SDRAM - 2666 MHz - DDR4 2666 / PC4 21300 - 1.20 V - Unbuffered - 288-pin - DIMM (CMK16GX4M2A2666C16R)