Z170 OC Formula, GPU in PCIE4 slot?

Removing the PCIe4 6-slot fanout module from the ENZ0 pcie4 slot slots Only one, M2_4 is a PCIE 5 slot, all others are PCIE 4 But if I use this slot, it reduces the PCIE 1 GPU slot from to fancy fruits slot I'm wanting to add an NVMe SSD to my Omen 30L GT13-1094 Does the slot directly below the CPU support the faster gen 4 NVMe

slot plus 88 Supported by Xgig tool suite including Trace Control, Expert and Serialytics VIAVI Solutions Xgig® 4-lane, CEM-slot Interposer, the 4K-PCIe4-X4-AI, provides