Sonnet M.2 2x4 Low-profile PCIe Card – Sonnet Online Store
Amazon.com: ASUS Hyper M.2 X16 PCIe 3.0 X4 Expansion Card V2 Supports 4 NVMe M.2 (2242/2260/2280/22110) Upto 128 Gbps for Intel VROC and AMD Ryzen Threadripper NVMe Raid : Electronics
Amazon.com: ELECTOP NVME PCIe x16 Adapter, M.2 Key-M SSD to PCI 3.0 Express Expansion Card, Support 2230/2242/2260/2280 with Heat Sink, Compatible with Windows XP / 7/8 / 10 & MAC OS System : Electronics
MAIWO M.2 expansion card KT058A NVMe SSD to PCIe 3.0 X16/X8/X4 adapter M Key Converter Card Support 2230 2242 2260 2280,Compatible with Windows 7/8/10 & Linux ,BTC accessories - Newegg.com
Quad M.2 PCIe Adapter for NVMe/AHCI SSD - Drive Adapters and Drive Converters | StarTech.com
Amazon.com: EZDIY-FAB NVME PCIe 4.0 Adapter, M.2 NVME SSD to PCI Express Adapter with Heat Sink, Only Support PCIe x16 Slot,Support M.2 SSD 2230 2242 2260 2280 : Electronics
PCIe X16 to M.2 M-key NVME x 4 SSD Expansion Card 4-disk M.2 PCI Express RAID Array Expansion Transfer Split Card 4*32Gbps with Fan for 2242/2260/2280/22110 M.2 M-key NVME SSD - Newegg.com
JMB585 PCIe X16 M.2 Key B NVMe SSD Expansion Card NGFF SSD Adapter Card for Laptop PC - Walmart.com