Cryo-PC NVMe M.2 PCIe Gen3x4 2280 3D TLC NAND SSD (Choose Capacity) - NWCA Inc.
XPG SX8100 Series Internal SSD 4TB M.2 NVMe PCIe Gen3x4 3D NAND Up to 3500MBps - Walmart.com
Amazon.com: Cloudeck NVMe SSD 512GB PCIe Gen3x4 Internal Solid State Drive with 3D NAND for MacBook Air (Mid 2013-2017), MacBook Pro(Retina, Late 2013-Mid 2015), Mac Pro(2013) & Mini (2014), iMac(2013-2017) : Electronics