ASUS ROG CROSSHAIR X870E EXTREME AMD motherboard with Ryzen 9 9900X3D CPU

AM5 Socket Combo with Ryzen 9 9900X3D

This bundle pairs the ASUS ROG CROSSHAIR X870E EXTREME motherboard with an AMD Ryzen 9 9900X3D processor in the AM5 socket. The board delivers 20+2+2 power stages rated at 110A each for stable current delivery. It supports DDR5 memory up to 256GB across four 288-pin slots with dual-channel architecture and AEMP profiles. The CPU provides 128MB L3 cache and 12MB L2 cache on a TSMC 4nm Zen 5 design with a 120W TDP and integrated Radeon graphics.

Built for AI Workloads and Extreme Overclocking

The platform targets users who need AI-ready compute, high-speed networking and maximum overclocking headroom. AI Overclocking, AI Cooling II and AI Networking II automate tuning, while Dynamic OC Switcher, Core Flex and Asynchronous Clock give manual control. Dual 5G and 10G LAN plus Wi-Fi 7 handle heavy data movement. Builders who only need mainstream gaming performance or a smaller form factor should consider more focused boards.

PCIe 5.0 Storage and Connectivity Headroom

Five M.2 slots provide three PCIe 5.0 x4 and two PCIe 4.0 x4 interfaces, all with substantial heatsinks including a 3D VC design on the primary slot. Two PCIe 5.0 x16 slots operate at x16 or x8/x8 modes for multi-GPU or accelerator setups. Four SATA 6Gb/s ports and USB4 Type-C round out peripheral support. The 10Gbps LAN ceiling and 256GB memory limit define the practical boundaries for storage arrays and large-model workloads.