RTX 2070 it doesn't boot in x16 slot just x4

PCIegen 4with up to 2x bandwidth 7PCIe slots Up to300Wauxiliary power One PCIe x4 gen 3 Apple IO card Four PCIe x8 gen 4 Two single height Two double

No problem whatsoever Also, if you look closely, the bottom x16 slot is actually a x4 slot in the outer shape of a x16 slot See how the pins

can i put a gen 4 m2 in a gen 3 slot I switched my 3070 to x16 slot today, i didnt know that the second pcie slot was only x4

canada slot 2 NVME or AHCI SSD to PCIE Adapter Card for Key M 2230, 2242, 2260, 2280 Size SSD, Support PCIe x4 x8 x16 Slot