16GB (2x8GB) G.Skill Ripjaws V Series DDR4 Memory: 3600 (PC4 28800) $111.99, 3000 (24000) $99.99 or 2666 (PC4 21300) $83.99 + Free Shipping via Newegg

Newegg
For those interested
Note, offer valid through February 11, 2019 or while supplies last.

• 16GB (2x8GB) G.Skill Ripjaws V Series 3600 (PC4 28800) DDR4 Desktop Memory (F4-3600C19D-16GVRB)
  • $111.99 + Free Shipping

• 16GB (2x8GB) G.Skill Ripjaws V Series 3000 (PC4 24000) DDR4 Desktop Memory (F4-3000C15D-16GVR)
  • $99.99 + Free Shipping

• 16GB (2x8GB) G.Skill Ripjaws V Series 2666 (PC4 21300) DDR4 Desktop Memory (F4-2666C19D-16GVR)
  • $83.99 + Free Shipping