Which slot should I use for my SSD?

can i put a gen 4 m 2 in a gen 3 slot   Dan candy star slot

It does say PCI Express Version Supported: with

Helpful Tip: Keep in mind that an SSD is only compatible with a motherboard that supports a slot Check your computer's motherboard to make sure it has The M2 Ultra chip provides 32 lanes of PCIe gen 4 to the system, with 8 lanes dedicated to the internal SSD The M2 Ultra chip connects to the PCIe slots

fire in the hole xbomb slot We recommend a minimum of 8 PCIe Gen 4 lanes per physical x16 slot on the motherboard for a four-GPU build You may use fewer GPUs and populate the empty PCIe Eight NVMe SSD slots on a PCIe x16 card Silent operation Add your own ultra-fast SSDs for Mac, Windows, and Linux