Best Motherboards with 2 GPU Slots for Local AI (2026)

The market for motherboards with 2 GPU slots has evolved significantly in 2026, shifting from a niche gaming requirement (SLI/Crossfire) to a core necessity for local AI inference and workstation applications. Despite a broader PC market slump, discrete GPU shipments hit a record 13.24 million units in Q2 2026, fueled by the demand for VRAM-heavy AI builds. Tomshardware Reddit

A critical technical challenge remains PCIe lane sharing: most consumer ATX boards force the primary slot to x8 speed when a second GPU or multiple NVMe SSDs are used. This has driven professional users toward Threadripper and EPYC platforms, which offer up to 128 dedicated lanes to avoid bandwidth bottlenecks. Techpowerup Techpowerup The detailed report below provides a deep dive into these trends, technical trade-offs, and a shortlist of top-performing dual-GPU hardware.

Motherboard 2 Gpu Slots

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Motherboard With 2 Pcie X16 Gpu Slots Atx

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