Compatible RAM for upgrading memory

Jun 21, 2018
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I want to upgrade RAM of my computer having GA B85M-D3H motherboard & corsair CMZ4GX3M1A142900148 AND 4GB 1600mhz Existing RAM. Which 4GB Ram will suit here? Pl. Advise l am novice in computer hardware. I am 76 but trying to learn. Pl. I have help.