8GB Memory for HP Pavilion 15-bc401la, 15-bc403la, 15-bc409nf DDR4 2666 MHz RAM | eBay
HP Pavilion 15 BS 📢 RAM UPGRADE - YouTube
HP Pavilion 15.6" Full HD IPS Notebook, Intel Core i5-8250U Processor, 24GB Memory: 16GB Intel Optane + 8GB RAM, 1TB Hard Drive, Backlit Keyboard, HD Webcam, B&O Play Audio, 2 Year Warranty