Details of Intel's upcoming 800-series chipsets have been leaked, revealing information about the Z890, B860, H810, W880, and Q870 chipsets. According to the leaker @jaykihn0 on X/Twitter, there will not be an H870 chipset this time around.
The full range of chipsets includes Z890, B860, and H810 for consumers, W880 for workstations, and Q870 for corporate desktops. The Z890 and W880 share similar slots and ports, but the W880 offers full ECC support, Intel vPro, and remote management, while losing CPU and bus overclocking features present in the Z890. The Q870 chipset has fewer PCIe lanes and USB ports compared to the Z890, but also includes Intel vPro and remote management.
The B860 chipset has fewer PCIe lanes compared to the Z890, as well as limitations on CPU and DMI interface lanes. It also lacks features like PCIe RAID, but still supports memory overclocking. The H810 chipset is the most basic, with limited CPU PCIe lanes and only eight PCIe 4.0 lanes.
All chipsets in the 800-series range will support Thunderbolt 4/USB4 ports, although it is unclear if this support is native or via an add-on chip. The maximum number of USB ports is limited, with some shared resources due to Intel's HSIO layout.
Overall, the 800-series chipsets will see a migration to PCIe 5.0 for the x16 slot and will feature a dedicated PCIe 5.0 x4 interface from the B860 chipset and up, likely for an M.2 slot. However, not all PCIe lanes will be accessible due to resource sharing with SATA and Ethernet.