The KingSpec Solid State Drive NX Series 512 GB M.2 2242 PCIe 3.0 x 4 NVMe 1.3 SSD High-Performance for PC Laptop Desktop Ultrabook and Portable Device Upgrade Motherboard Internal SSDs - Newegg.com
Silicon Power P34A60 512GB NVMe PCIe Gen3x4 M.2 2280 Internal Solid St – SP Silicon Power