Yes, Patrick already reviewed it here back in August.
Summary: 2 x 10Gb LAN, 18 SATA/SAS (on DMI3+PCIe x8 to the PCH instead of just DMI3 on previous gen, so a lot more bandwidth for LAN/drives/USB/etc.), 6 channels DDR4 @ 2666 (8 DIMM slots), up to 256GB RDIMM (or more for other DIMM types), 4...