[Pre Order - allow extra time] Patriot 16GB Signature Premium DDR4 2666 MHz UDIMM Memory Module with Heatshield 16GB (1 x 16GB) Capacity, 2666 MHz Clock Speed, PC4-21300, 288-Pin UDIMM, 1.2V, 19-19-19-43 Timings, Unbuffered, Non-ECC, Built-In Aluminum...