Maxsun Challenger B850M-K is a compact and efficient motherboard built for AMD’s latest processor lineup, delivering an ideal balance of performance, expansion, and affordability. Designed on the AMD B850 chipset, it supports Ryzen 7000, 8000, and even next-generation 9000 Series CPUs through the AM5 socket, making it future-ready for both gaming and productivity builds. Its M-ATX form factor ensures wide case compatibility without sacrificing key features. Processor & Chipset Support Powered by the AMD B850 chipset, this board offers enhanced stability and modern platform capabilities. Its AM5 CPU support provides access to cutting-edge Zen architectures, ensuring excellent compute performance and longevity for builds that need future CPU upgrades. High-Speed DDR5 Memory The motherboard comes equipped with 2× DDR5 DIMM slots, supporting up to 96GB total memory capacity. With support for AMD EXPO profiles and high memory frequencies ranging from 4800MHz to OC+, users can take advantage of extremely fast memory bandwidth, benefiting gaming, rendering, and multitasking workloads. Storage & Connectivity For storage, the board provides a PCIe 4.0 x4 M.2 slot compatible with 2280 form factor NVMe SSDs, ensuring fast read/write performance. Additionally, two SATA 6Gb/s ports offer support for HDDs and SATA SSDs. Networking is powered by a Realtek RTL8111M Gigabit Ethernet controller, suitable for online gaming and daily networking needs. Expansion & Display Output A PCIe 5.0 x16 slot ensures next-gen GPU upgrade potential, while a PCIe 3.0 x1 slot provides additional expansion options for third-party cards. HDMI 2.1 output supports up to 4K@30Hz resolution, enabling builds that utilize integrated graphics from supported Ryzen processors. I/O Ports and Internal Headers Front panel I/O includes one USB 5G Type-A and one USB 2.0 port. Rear I/O adds four USB 5G Type-A and two USB 2.0 Type-A ports for peripherals. Internal headers include CPU and chassis fan connectors, an RS232 COM header, and standard 24-pin and 8-pin power inputs. Form Factor & Build With a compact M-ATX 225 × 220mm layout, the board fits mid-tower and smaller chassis builds, offering flexibility without compromising functionality.