Amazon.com: KingSpec 512GB 2230 SSD NVMe Gen3x4, M.2 PCIe 3.0 SSD with 3D NAND Flash, Internal Solid State Hard Drive for Steam Deck & Surface Pro (Read Speed up to 3500MB/s) :
Dell M.2 PCIe NVME Gen 3x4 Class 50 2280 Solid State Drive - 512GB | Dell USA
Silicon Power 1TB w/DRAM Cache NVMe M.2 PCIe Gen R/W up to 3,400/3,000MB/s SSD (SU001TBP34A80M28AB) Gen3 1TB - 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