It should work. That RAM is 3200 MHz, and your G15 accepts 3200 MHz RAM. You will install 16 GB and that laptop can use more than that, so that is also fine. It would be good to know if the timings are appropriate for your G15, but the Samsung site doesn't show me the timings. It's conceivable that it might not be compatible, but it won't hurt to try. Follow the disassembly and reassembly steps in Dell's Service Manual. Whenever touching components or working inside a computer, wear a grounded wrist strap, also called anti-static wrist strap, ESD wrist strap, or ground bracelet. It's a cheap and sensible precaution. Rest the laptop on an anti-static mat or at least a reasonable alternative such as corrugated cardboard. When you first boot with the new RAM, it may rest on a black screen, but leave it there for 30 minutes or so. Sometimes it takes a while for BIOS to recognize and accept new RAM. If it still won't work, there are other things that can be tried, such as removing the CMOS battery and leaving it out for 30 minutes and then installing a fresh one.
Hello, I have Dell G15 5511 Intel Core i5-11260H with 8 GB RAM. I removed 2 x Samsung RAM memory M471A1G44AB0-CWE 8GB from my Lenovo Legion. It's okay mount them in Dell replacing the stock memory?
Dell G15 5511 Samsung RAM