Will my graphics card work in all PCIe slots?

Will my graphics card work in all PCIe slots? pcie 3 slot I believe both slots are generation 3 because chapter 1 of the manual indicates that HP only offered Gen 3 NVMe SSD's in the model series and pcie slot function PCIe slot you plan to slot it in Below are the speeds of potential M Expansion Card - 3 SIIG SC-M20014-S1

pcie slot function  PCIe x16 5 x PCIe x16 4 x PCIe x16 3 x PCIe x16 Power Phase, Chipset, Memory, Slots, Multi-GPU, Graphics, Audio, Network

pcie 2 slot The common PCI Express slots we see on motherboards are PCIe x1, PCIe x4, PCIe x8, and PCIe x16 The number that comes after the x letter tell Understanding the Compatibility of PCIe 4 Graphics Cards in PCIe 3 Slots · 1 Bandwidth Limitations: A PCIe 3 slot offers half the bandwidth of a PCIe 4 slot,