No, you cannot mix C18 and C19 rams.
No, you cannot mix C18 and C19 rams.
Completed successfully; the C19 configuration fails at 2133MHz, indicating the need for a replacement.
I've always struggled with Corsair RAM. A lot of folks claim it works, but I just don't see it. The standard setting is 2133. You need to pick your own memory speed, IF, and adjust the voltage and timing manually.