AMD has ended the production of its B650 chipset, requesting motherboard makers to switch to the newer B850 platform.
AMD Officially Replaces B650/B650E Chipset With B850 Chipset, Ends Production of Older Motherboard Chipset
The report comes from Channel Gate, which has stated that AMD has made an official announcement regarding its B650 chipset. It is mentioned that the company has ended the production of its B650 PCH and has asked motherboard manufacturers to transition to newer AM5 800-series chipsets, such as B850.
A note about the latest motherboard products: AMD has officially announced the end of production of the B650 chipset. Motherboard manufacturers are no longer permitted to purchase B650 chips and are advised to fully transition to the B850 series product line. AMD has officially ceased production and supply of the B650 chipset, and motherboard manufacturers are currently working through their inventory. While motherboard manufacturers' inventory clearance plans are expected to conclude before October, channel market inventory levels may be further delayed.
AMD's B650 chipset series, which includes B650E and B650, was first introduced in October 2022. The PCH was designed as a budget-tier offering for AM5 motherboards priced around $125-$150 US. The initial motherboards never hit the price mark, but after a few months, we started seeing price drops, & finally, prices in the sub-$100 US range. There are many B650 motherboards out in the market, but those are now being replaced by the newer B850 series chipsets.

The report also states that the supply of B650 chipsets has ended, and motherboard manufacturers are expected to clear their inventories by October 2025, while retail inventories may take some time to clear.
The main differences between the AMD B850 and B650 chipsets are only the PCIe 5.0 support. The latter offers PCIe 5.0 lanes for NVMe, whereas it's optional for the motherboard maker to include PCIe 5.0 functionality on B650 motherboards. The B650E chipset offers 24 dedicated PCIe 5.0 lanes and is similar to the X870 (Non-E) chipset.

As of right now, several AMD B850 motherboards can be purchased for close to $100 US, with many priced at $110-$130. Meanwhile, B650 motherboards are priced around the same, but these are older designs & don't feature higher memory frequencies like the new options.
The Ryzen 9000 and Ryzen 9000X3D CPUs also don't need any prior BIOS updates to support these chips, as that is already baked in from the factory. But even then, older 600-series motherboards are still more than capable of running the latest CPUs, offering great value in the resale market, and supporting the latest AM5 CPUs thanks to AMD's continued socket support.
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