New GIGABYTE X299-WU8 Workstation Motherboard: Dual PLX8747, but Built for Core-X?

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Anandtech published New GIGABYTE X299-WU8 Workstation Motherboard: Dual PLX8747, but Built for Core-X? A quote from the article:
In what appears to either be a silent launch, GIGABYTE has launched a new workstation motherboard called the X299-WU8. The new GIGABYTE X299-WU8 has a total of seven full-length PCIe 3.0 slots with a consumer-professional convergent aesthetic due to waves of stainless steel PCIe armor slot protection as well as offering full support for NVIDIA Quadro professional graphics cards and server grade network ports.

The crux of the GIGABYTE X299-WU8 includes the implementation of two Broadcom PLX8747 PCIe switches. This allows the board to operate at either x16/x16/x16/x16 or x16/x8/x8/x8/x8/x8/x8, for GPUs or FPGAs or other PCIe accelerators. The GIGABYTE X299-WU8 is based on the Intel X299 HEDT chipset and according to the supported CPU list on the GIGABYTE website, looks ready for the new Inel Basin Falls Skylake-X refresh such as the new 18-core i9-9980XE processor which is just around the corner to being released onto the market. While there is no official information on the boards inclusive power delivery, the X299-WU8 features dual 8-pin 12 V CPU power inputs, a 24-pin ATX 12 V motherboard power input and a single 6-pin PCIe power input for the boards PCIe slots.
 New GIGABYTE X299-WU8 Workstation Motherboard: Dual PLX8747, but Built for Core-X?