Upgrading from 8gb to 16gb ram compatibility issues

Sep 18, 2018
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Hello i was wondering if anyone could help me with the problem im currently having.
I currently have an asrock anniversary z-97 mobo with 2x4gb kingston hyperx savage 1600 mhz ram sticks on it. I wish to upgrade to 16gb and i was wondering if i should get 2x4gb or 1x8gb of the same stick, which is best and are they even compatible?
 
Solution
Best to try to match what you have now for best stability. Plus, a single 8GB stick will put that stick in single channel mode for a small performance hit.