Best solution for SSD expansion card for NVMe

B550M DS3H Key Features Motherboard 2x m 2 ssd slot nvme pcie gen4 My M 2 slot is PCIe x2 and it has a 970 Evo SSD, which can reach speeds of 3,500 MBs However, the drive only reaches a maximum of 820 MB 2xbet slot SSDs You will be impressed with the results for the GEN3 PCIe QUAD NVMe

2x m2 ssd slot nvme pcie gen4 Advanced Thermal Design with Enlarged Surface Heatsinks; Ultra Durable™ PCIe x16 Slot; Dual Ultra-Fast NVMe PCIe x4 with Dual Thermal Guards