Samsung Original 32GB (2x16GB) Memory Upgrade for Asus Republic of Gamers Tower G20CB DDR4 2133Mhz PC4-17000 SODIMM 2Rx8 CL15 1.2v RAM Adamanta 32GB ( 16GBx2 ) 2133 Mhz Non-Parity/Non-ECC Unbuffered SODIMM Memory 260 pin DDR4 Dual Rank Module. Every module is backed by a lifetime limited warranty. We always have hundreds in stock! Free technical support from our experienced technicians. Every single module is fully tested by the manufacturer. Not Compatible with all ASUS ROG. Our experienced technicians can verify if these parts will work for you.