MAINGEAR - MG-1 Champion Gaming Desktop - NVIDIA GeForce RTX 5090 - AMD Ryzen 7 9850X3D - 32GB DDR5 - 2TB NVMe SSD - Black
Model: All-new MG-1 | Champion
SKU: 12586777
Reviews coming soon
Featured products
Sponsored
Reviews coming soon
Flagship 4K gaming performance meets a refined, upgradeable design in the all-new MAINGEAR MG-1 Champion. NVIDIA GeForce RTX 5090 graphics with 32GB of ultra-fast GDDR7 memory deliver exceptional visual fidelity, advanced ray tracing, and elite high-refresh-rate performance with DLSS 4 and Multi Frame Generation. The AMD Ryzen 7 9850X3D processor combines 8 cores, 16 threads, boost speeds up to 5.6GHz, and 96MB of L3 cache with AMD 3D V-Cache technology for outstanding gaming performance and responsive multitasking. Its 32GB of DDR5-6000 memory and 2TB Gen4 NVMe SSD provide smooth performance, fast load times, and ample storage. Built around standard ATX components with no proprietary parts, the MG-1 Mk. II features reinforced construction, expanded airflow, refined RGB lighting, and a tool-free magnetic front panel that can be personalized with optional artwork. A 360mm AIO liquid cooler, seven RGB fans, custom fan curves, and a 1250W 80+ Gold power supply support cool, reliable performance under demanding loads. Every MG-1 is hand-assembled and stress-tested in New Jersey, then delivered with zero bloatware, protective double-layer packaging, a custom GPU support bracket, a 1-year limited warranty, and award-winning lifetime technical support.
We’ll try to get your question answered within 24 hours by a Best Buy customer or brand representative.
Built for uncompromising 4K gaming and demanding creative workloads. Powered by NVIDIA Blackwell with DLSS 4, Multi Frame Generation, advanced ray tracing, and 32GB of ultra-fast GDDR7 memory for exceptional visual fidelity and elite high-refresh-rate performance.
Built on AMD Zen 5 architecture with AMD 3D V-Cache technology, 8 cores, 16 threads, boost speeds up to 5.6GHz, and 96MB of L3 cache. Its large cache and fast clock speeds deliver exceptional high-FPS gaming performance with the multitasking power for streaming and everyday creation.
Built around standard ATX hardware including 32GB DDR5-6000 memory, a 2TB Gen4 NVMe SSD, an X870E motherboard, and a 1250W 80+ Gold power supply for straightforward future upgrades. Reinforced construction, expanded airflow, an improved component layout, and refined RGB lighting elevate the MG-1 from the inside out.
Start with a clean Windows 11 installation free from unnecessary preinstalled software. A 360mm AIO liquid cooler, seven chassis fans, and custom fan curves balance cooling and noise, while CPU, GPU, and memory stress testing verifies reliable performance under demanding loads.
Hand-assembled by enthusiast technicians in New Jersey and supported by the same in-house team. Includes a 1-year limited warranty, award-winning lifetime technical support, protective double-layer packaging, and a custom GPU support bracket.
