Internal slots - Precision 5570 Setup and Specifications | Dell US
The Dell Inspiron 15 5570 laptop’s standard memory is 8GB DDR4 which can be upgraded to a maximum of 32GB RAM with two memory slots.
Nâng Cấp Ram Laptop Asus E402S
RAM, 16GB DDR4 BUSS 3200 ; Loại RAM, DDR4 ; Tốc độ Bus RAM, 3200Mhz ; Số khe cắm, 2x SO-DIMM slots ; Hỗ trợ RAM tối đa, Nâng cấp tối đa 32GB.
Will DDR5 RAM Work on DDR4 Motherboard? (2025) - PC Guide 101
DDR5 RAM may seem similar to the previous-gen DDR4 or DDR3 RAM sticks, but it is not. Due to the RAM technology, the DDR4 RAM will PHYSICALLY not fit in DDR3 slots.