QM2-2P-344 Dual M.2 PCIe SSD expansion card supports up to two M.2 2280/ 22110 formfactor M.2 PCIe (Gen3 x4) SSDs
QNAP Dual M.2 22110/2280 SATA SSD Expansion Card - SystemsDirect.com
NeweggBusiness - Dual M.2 PCIe 4x Adapter for SATA or PCIe NVMe SSD with Heatsink, RIITOP M.2 SSD NVME (M Key) and SATA (B Key) 22110 2280 2260 2242 2230 to PCI-e
NVMe M.2 SSD To PCIe 3.0 4.0 X4,SATA M.2 SSD To SATA Dual Purpose Adapter Card - AliExpress