AMD B650 expansion cards hit retail starting at $199

As AMD introduces its B650 chipset motherboards, a new category of I/O expansion solutions has emerged in the market. WisdPi recently launched the 'PROM21 All In Expansion Card', a half-height PCIe 4.... Read original →

AMD’s repackaging of the Promontory 21 chipset into standalone PCIe expansion cards marks a paradigm shift—decoupling I/O capabilities from motherboard generations. This modular approach enables legacy systems to access PCIe 4.0 M.2 storage affordably, indirectly dampening SSD controller vendors’ urgency to adopt PCIe 5.0. From a compliance standpoint, platform-agnostic designs reduce supply chain fragility amid geopolitical volatility, benefiting assembly hubs in Taiwan, China and Southeast Asia. Intel will likely accelerate USB4/Thunderbolt-alternative rollouts in mid-tier chipsets, while NVIDIA may leverage this trend to push NVLink-based storage interconnects in workstations. Over the next 18 months, such ‘function-reuse’ chips—built on mature nodes—will catalyze a third-party I/O expansion ecosystem, eroding motherboard makers’ differentiation and shifting hardware innovation toward composability over integration.