64GB/128GB/256GB/512GB 3D nand PCIe Gen3 x 2 NVMe PCIe SSD NE 2242 - KingSpec
I harvested a PCIe Gen3 x2 NVMe 1.3 SSD from my older laptop, the problem is that its length is short. I've held it in place with some tape, it should hold.
Corsair Force MP300 M.2 2280 240GB SSD, PCIe Gen 3.0 x2, SSD Max: Up to 1,580MB/s, SSD Max Write :Up to 920MB/s | CSSD-F240GBMP300 Buy, Best Price. Global Shipping.