Amazon.com: SK hynix 16GB DDR4-2666 2Gx4 ECC/REG CL19 Server Memory Model HMA82GR7AFR4N-VK
Mavark New SK Hynix HMAA2GS6CJR8N-XN 16GB DDR4 3200 PC4-3200AA-SA2-12 for XPS 9700 9500 X1 Carbon Extreme Gen 3 Alienware 51M R2 Asus Laptop (16GB DDR4 PC4-3200AA) Plus Best Notebooks Pen at Amazon.com