Question Stuttering after adding new RAM (8GB to 16GB)


Oct 13, 2018
Hello everyone, I've noticed that my pc has begun stuttering every now and then (maybe once every hour sometimes twice) when I do things like watch youtube videos or play video games after I upgraded my RAM from (4x2) 8GB to (8x2) 16GB.

Motherboard - ASRock H97 Anniversary ATX LGA 1150 Motherboard
Memory - Corsair Vengeance 16 GB (2 x 8GB) DDR3-1600 CL9 Memory (Upgraded from Crucial Ballistix sport 2 x 4GB)
CPU - Intel Core i7-4790 3.6GHz
Video Card - MSI GeForce GTX 1080 8 GB AERO Video Card
Power Supply - Antex NeoECO 620 W 80 + Bronze Certified ATX Power Supply
Windows 10 (64-bit)
Storage - Seagate Barracuda 1 TB 3.5' 7200RPM

Not sure if I'm overloading something or too much voltage?

Any recommendation helps, thanks.