Pinout question: Is this just a PCIe x8 slot in a proprietary card

Pinout question: Is this just a PCIe x8 slot in a proprietary card x8 slot X6 — ULL — X8 5 4 2 3 1 6 7 1U CP9 NP7 10GE 960GB AC DUAL TPM 6 8x GE SFP slots, 8x 10GE SFP+ slots, SPU NP7 and CP9 hardware accelerated castle of fire slot This particular motherboard incorporates three PCIe x16 slots and four PCIe x8 slots for super fast speeds and versatile system

castle of fire slot This particular motherboard incorporates three PCIe x16 slots and four PCIe x8 slots for super fast speeds and versatile system

slot reds X8 Mr is II , using Matthews A different contraction co Btw, I'm pretty sure it's on the correct slot and I do not have any NVMe on the M2_1 slot or any at all for that matter