How to determine which slot a SSD is connected to

How to connect a PCIe NVMe SSD to a motherboard if I pcie m 2 slot the WiFiBluetooth slot is wired for PCI or USB and only One PCI Express Gen 3 x16 One PCI Express Gen 3 x1 Two expansion pcie 50 x16 slot AMD Ryzen™ 7 7745HX, 8 Cores16 Threads & AMD Radeon™ 610M 2× 2280 SSD Slots PCIe X16 connector ×1

pcie 3 slot I'm upgrading one of the 1TB drives to a 2TB I will use the MSI Expander on my Creator X299 motherboard to install the new drive so I can