Western Digital Disque dur SSD PC SN520 M.2 2230 30 mm PCIe Gen3 x2 NVMe
Team Group MP32 M.2 2280 256GB PCIe 3.0 x2 with NVMe 1.3 Internal Solid State Drive (SSD) | Help Tech Co. Ltd
What is the difference between PCIe Gen 3 X2 and X4 SSDs? Can these two SSDs be used for laptops that support the PCIe interface? - Quora
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.
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PCIe Gen3 x2 to Type E Card PCI Express to Internal Type E Front Panel USB3.2 | eBay