Razer - Blade 15 Base - 15.6" Gaming Laptop - Intel Core i7 - 16GB Memory - NVIDIA GeForce GTX 1660 Ti - 256GB SSD - Black - Walmart.com
Amazon.co.jp: Razer Blade 15 Base Model Gaming Laptop for Spring 2021 Model (15.6" Full HD, 144Hz/i7-10750H/RTX 3060 6G/16GB RAM/512GB SSD, NVMe + M.2 Free Slot, Win10 Home, Japanese Layout) RZ09-0369AJ22 3J1 :
How to Upgrade the Razer Blade 14 SSD (Easiest Method) - YouTube