StarTech.com x4 PCI Express to SFF-8643 Adapter for PCIe NVMe U.2 SSD - PCI Express 2.5" NVM Express SSD Adapter - Add high-performance enterprise-class storage to your PC or server - Connect
M.2 NVMe + M.2 SATA 110mm SSD PCIe x4 Adapter with Heat Sink - Micro Connectors, Inc.
M.2 NGFF to Desktop PCIe x4 x8 x16 2280 2242 2232 NVMe SATA Dual SSD PCI Express Adapter Card - CPU Medics
Dual Slot M.2 NVMe PCIe 3.0 X4 Adapter Card with ASM 2812 PCIe Bifurcation Function, Work with None PCIe Splitter Function Motherboard