Do Son The PCI-SIG is developing PCIe 8.0, which aims for 1TB/s of bandwidth, but it's designed for data centers and AI—not for your next gaming PC.
Bandwidth
HDMI 2.2 is finalized, doubling bandwidth to 96Gbps for 4K@240Hz, 8K@60Hz, and 16K@60Hz (via DSC). Requires Ultra96 cables, with devices expected Q4 2025.