SK Hynix HMA81GS6DJR8N-XN 8GB DDR4 PC4-3200AA-SE1-11 for XPS 9700 9500 X1 Carbon Extreme Gen 3 Alienware 51M R2 Asus Laptop (8GB DDR4 PC4-3200AA) at Amazon.com
SK HYNIX 8GB HMA81GR7CJR8N-VK DDR4-2666 ECC RDIMM 1Rx8 PC4-21300V-R CL19 Server Memory at Amazon.com