16gb 2x8gb Ram Memory SODIMM for Dell Inspiron 15 (3521) Laptop Notebook at Amazon.com
OFFTEK 4GB Replacement Memory RAM Upgrade for Dell Inspiron 15R (5520) (DDR3-10600) Laptop Memory at Amazon.com
Dell Inspiron 15 with 11th gen Intel Core i5, 16 GB RAM, and 1080p display on sale for $549 USD - NotebookCheck.net News
New Dell Inspiron 15 Laptop 15.6" Full HD Touchscreen Intel Iris Xe Graphics Intel Core i7-1255U 64GB DDR4 RAM 512GB PCIe NVMe M.2 SSD Windows 11 Pro Black - Walmart.com
parts-quick 8GB Memory for Dell Inspiron 15 7000 Gaming DDR4 2RX8 SODIMM 2400MHz RAM at Amazon.com