Core Viewpoint - AMD has officially discontinued the B650 chipset, leading to a phase of inventory clearance for B650 motherboards, raising questions about their viability for building AM5 Ryzen systems [1] Group 1: B650 vs B850 Chipset Comparison - The B850 chipset is positioned as a successor to the B650, targeting mainstream users with enhanced specifications and features [1][3] - B850 requires PCIe 5.0×4 M.2 support, while B650 offers it as an option, indicating a more robust performance standard for the newer chipset [1] - B850 provides greater flexibility in PCIe channel configurations and USB specifications compared to B650, enhancing user experience and upgrade potential [2][3] Group 2: Advantages of B850 - B850 offers improved power delivery, bandwidth support, and upgrade potential, making it a preferred choice for users seeking longevity in their systems [3] - AMD's commitment to the AM5 interface until at least 2027 suggests that investing in B850 motherboards will provide a longer usable lifespan for consumers [4] Group 3: Product Recommendations - ASUS TUF GAMING B850M-PLUS WIFI7 is priced at 1429 yuan, featuring robust power delivery and support for high-frequency DDR5 memory [6] - GIGABYTE B850M EAGLE WIFI6E is priced at 1099 yuan, offering a solid build with AI-driven enhancements for better performance [8] - For budget-conscious users, B650 motherboards like GIGABYTE B650M GAMING WHITE EAGLE WIFI at 699 yuan and ASRock B650M-H/M.2+ at 589 yuan are recommended, providing adequate specifications for mid-range Ryzen CPUs [9][10][13][15]