M.2 & PCIe Lane Configurations for B550 Unify / Unify-X
Overview of M.2 SSDs
CERRXIAN NVME PCIe 3.0 x4 Adapter, NGFF M.2 NVME SSD M Key to PCI Express 3.0 x4 Host Controller Expansion Card with Low Profile Bracket Support 2230 2242 2260 2280 : Electronics
Amazon.com: M.2 NVME SSD to PCIe 3.0/4.0 x4 Adapter with Aluminum Heatsink Solution Supports 2280, 2260, 2242, 2230 Solid State Drives : Electronics
NVMe PCIe Adapter, RIITOP M.2 PCIe (M Key) NVMe SSD to PCIe x4 Converter Card Support 2230, 2242, 2260 2280 mm M.2 NVMe SSD - Newegg.com
I/O Crest M.2 NGFF PCIe SSD to PCI Express 3.0 x4 Host Adapter Card - Support M.2 M-Key PCIe (NVMe or AHCI) Type 22110, 2280, 2260, 2242 : Electronics
RIITOP PCI-e Nvme M.2 Adapter NVMe or AHCI M Key SSD to PCIe 3.0 x 4 C
GLOTRENDS Dual M.2 PCIe NVMe Adapter, Support 2 x M.2 PCIe 3.0 SSD, No PCIe Bifurcation Required, PCI Express 3.0 X4 Card (PA20) - Newegg.com
PCIe 3.0 X4 PLX8724 to 4 Port M.2 NVMe SSD Adapter Expansion Card Quad Mkey Nvme to Pci E Converter for PC 32G/bps win10 linux|Add On Cards| - AliExpress
Amazon.com: M.2 NVME to PCIe 3.0 x4 Adapter, M.2 NVME SSD to PCI-e 3.0 x 4 Host Controller Expansion Card, Supports 2280, 2260, 2242, 2230 Solid State Drives : Electronics