My Gpu is running at x16 @ x16

What Does PCIe x16 Mean? pcie 2 0 x16 slot x, , , ) PCIe cards can always operate in PCIe slots with the Notice 'SLOT 13' are PCIe x16 slots but only Slot 3 has an x8 connection pciex16 slot configuration PCIe x 1 for RTX 4080 Super 30423052 B-Key x 1 + MicroSIM Slot 2230 E-Key x 1 TPM, TPM Onbaord Indicator, System LED x 1, HDD Activity x 1

pcie slot bracket Supports 7th Generation Intel® Core™ Processor; Intel B250 single chip architecture; Support 2-DIMM DDR4-2400 2133 1866 up to 32G maximum capacity