ST PEX4M2E1: x4 PCI Express to M.2 PCIe SSD adapters at reichelt elektronik
Dual M.2 PCIe SSD Adapter, NVMe / AHCI - Drive Adapters and Drive Converters | Hard Drive Accessories | StarTech.com
M.2 NVMe + M.2 SATA 80mm SSD PCIe x4 Adapter with Heat Sink - Micro Connectors, Inc.
Amazon.com: M.2 NVMe PCIe Adapter,Dual M2 SATA B Key and NVMe M Key SSD to PCI-e x4 Adapter Card for 2280 2260 2242 2230 SSD, with M.2 Heatsink (M.2 NVME Mkey+SATA Bkey
M.2 NVMe SSD NGFF to PCIE X4 adapter M Key interface card Support PCI-e PCI Express 3.0 x4 2230-2280 Size m.2 m2 pcie adapter - AliExpress
NVMe M.2 SSD to PCIe X16/X8/X4 Card - Sabrent
High Speed 32Gbps M2 PCI-E NVMe SSD to PCIe 3.0 X4/X8/X16 Adapter Card Converter | eBay
Dual Slot M.2 NVMe PCIe 3.0 X4 Adapter Card with ASM 2812 PCIe Bifurcation Function, Work with None PCIe Splitter Function Motherboard
P4SM2 (PCIe X4 to M.2 Adapter)
M.2 NVMe to PCI-Express x4 Extension Cable For PCIe x4 SSD RAID, LAN, GPU, Capture Cards to M.2 (Ultra SSD, M-key) Extension - AliExpress