Gigabyte has quietly introduced two new micro-ATX motherboards for AMD’s veteran AM4 platform: the B450M D3HP and B450M D3HP WIFI6E. Launching eight years after AMD’s B450 chipset debuted, the boards target budget builders and existing Ryzen users seeking affordable DDR4 support as DDR5 prices remain elevated.
Key takeaways
- The B450M D3HP and B450M D3HP WIFI6E use AMD’s B450 chipset and Socket AM4.
- Both boards support four DDR4 DIMMs and up to 128GB of memory.
- Storage includes one PCIe 3.0 x4 M.2 slot, one PCIe 2.0 x2 M.2 slot, and four SATA ports.
- The WIFI6E model adds 6GHz wireless networking and Bluetooth support.
- Gigabyte has not announced pricing or regional availability.
Gigabyte’s return to B450 is unusual, but it reflects the continued relevance of AM4 among PC builders. Many users already own DDR4 memory and Ryzen processors, while new buyers may prefer the lower platform cost over moving to AM5 and DDR5.
Specifications and compatibility
Both boards use a Micro-ATX design with a 4+2-phase digital VRM, four DDR4 memory slots, and support for memory kits up to 32GB per module. Gigabyte’s product information officially lists Ryzen 3000, Ryzen 4000, and Ryzen 5000 processors, including their integrated-graphics variants. CPU-support documentation reportedly extends compatibility to some older Ryzen 1000-, Ryzen 2000-, and Athlon-series chips, although buyers should verify the final BIOS support list before purchasing.
The boards include a single PCIe 3.0 x16 slot for a graphics card and an additional slot for smaller expansion cards. Integrated graphics outputs comprise one DisplayPort 1.2 connector and two HDMI 2.0b ports.
Storage and connectivity
Storage is handled by two M.2 2280 slots. The CPU-connected slot operates at PCIe 3.0 x4, while the chipset-connected slot is limited to PCIe 2.0 x2. Four SATA 6Gb/s ports provide additional capacity for hard drives and 2.5-inch SSDs, but neither board supports PCIe 4.0 or PCIe 5.0 storage.
Rear connectivity includes four USB 3.2 Gen 1 ports, three USB 2.0 ports, Gigabit Ethernet, and three analog audio connectors. A front-panel USB-C header supports 5Gbps transfers. Gigabyte also includes Q-Flash Plus, allowing BIOS updates without a processor or memory installed, along with Smart Fan 6 and three addressable RGB headers.
Wi-Fi 6E option and market position
The B450M D3HP WIFI6E shares the same core design but adds a Realtek wireless controller with Wi-Fi 6E support, access to the 6GHz band, claimed speeds of up to 2.4Gbps, and Bluetooth connectivity. The standard B450M D3HP relies on wired Gigabit Ethernet.
Pricing and launch timing have not been disclosed. The boards will need to remain close to traditional entry-level B450 pricing to compete with newer B550 alternatives. However, for users reusing DDR4 memory or an existing Ryzen 3000, 4000, or 5000 processor, Gigabyte’s new models could provide a practical low-cost path to an AM4 system in 2026.