256GB~ Lenovo X280 WWANスロットにて使用可能 Western Digital 512GB PCIe Gen3 x 2 M.2 2242 NVMe SSD 片面実装
GIGABYTE PCIe M.2 SSD Leads NVMe Based SSD Development | News - GIGABYTE Global
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.
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.