M.2 & PCIe Lane Configurations for B550 Unify / Unify-X
WD BLACK SN750 500GB Internal Gaming SSD PCIe Gen 3 x4 NVMe WDBRPG5000ANC-WRSN - Best Buy
INLAND Platinum 1TB SSD M.2 2280 NVMe PCIe Gen 3.0x4 3D NAND Internal Solid
Kingston KC2500 M.2 2280 1TB NVMe PCIe Gen 3.0 x4 96-layer 3D TLC Internal Solid State Drive (SSD) SKC2500M8/1000G - Newegg.com
INLAND Platinum 4TB SSD M.2 2280 NVMe PCIe Gen 3.0 x 4 3D NAND Internal Solid State Drive, PCIe Express 3.1 and NVMe 1.3 Compatible, Ultimate Gaming Solutions for PC Computer Laptops (4 TB)
Silicon Power P34A80 PCIe Gen3x4 M.2 NVMe SSD Review: TLC Performance at QLC Prices - Tom's Hardware | Tom's Hardware