NVIDIA's next-gen GeForce RTX 50 series GPUs are reportedly mandated to use new PCIe Gen 6 16-pin power connectors, should support up to 400W of power.
Micron has its GDDR7 roadmap teasing 16-24Gb dies at 128GB/sec (32Gbps) in 2024, while faster GDDR7 arrives in 2026 with 24Gb+ dies at 144GB/sec (36Gbps)