I want to confirm that this will work in my Asus Rog G752VL, even when the stock RAM is M471A1K43BB0-CPB 2x8gb 2133?

Yes, the CMS 32GB (2X16GB) DDR4 17000 2133MHz NON ECC SODIMM Memory Ram Upgrade is compatible with the Asus ROG G752VL.

Questions & Answers: CMS 32GB (2X16GB) DDR4 17000 2133MHz NON ECC SODIMM Memory Ram Upgrade Compatible with Asus/Asmobile® ROG G752VL, ROG GL552VL, ROG G752VT, ROG G752VY - A1

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CMS 32GB (2X16GB) DDR4 17000 2133MHz NON ECC SODIMM Memory Ram Upgrade Compatible with Asus/Asmobile® ROG G752VL, ROG GL552VL, ROG G752VT, ROG G752VY - A1

Computer Memory Solutions guarantees compatibility with models provided in description.
Memory Type: SODIMM, 260-Pin
Speed: DDR4-17000, 2133 MHz
2 Piece Kit
Product appearance may vary. Picture for reference only. limited lifetime warranty when bought directly from computer memory solutions

$190^.00 –