A DDR4 motherboard remains a practical and cost-effective choice for users building mid-range systems, prioritizing affordability without sacrificing performance. Supporting the fourth generation of Double Data Rate memory, these motherboards are compatible with Intel's LGA 1151/1200 and AMD's AM4/AM5 (via hybrid support) platforms, making them ideal for budget gaming, office work, and entry-level content creation. DDR4 offers a mature ecosystem with stable performance and a wide range of memory options, from 2400 MT/s budget modules to 4800 MT/s overclocked kits. While slower than DDR5, DDR4 remains sufficient for most applications: 16GB of DDR4-3600 can handle 1080p gaming, multitasking, and even 4K video editing when paired with a powerful GPU. Motherboards leverage this through optimized memory controllers, supporting XMP profiles for easy overclocking and dual-channel configurations to maximize bandwidth. Compatibility is a key advantage. DDR4 motherboards work with older CPUs (e.g., Intel i5-10400F, AMD Ryzen 5 5600X), allowing users to reuse existing components or build a capable system on a tight budget. They also offer a mix of modern and legacy features: PCIe 4.0 slots for GPUs and NVMe SSDs, USB 3.2 Gen 2 ports, and Wi-Fi 6 support on mid-range models, ensuring they don't feel outdated. Form factors range from full ATX to Mini-ITX, catering to both expandable desktop builds and compact HTPCs. Budget DDR4 motherboards (e.g., MSI B550M PRO-VDH WiFi) offer essential features like HDMI 2.1, Gigabit Ethernet, and M.2 slots, while mid-range models (ASUS TUF Gaming Z590-PLUS) add robust VRM cooling, PCIe 4.0 x16, and 2.5Gbps Ethernet for better gaming performance. Power delivery is optimized for non-overclocked or mildly overclocked CPUs, with VRM designs ranging from 6+2 phases in budget boards to 12+2 phases in high-end models (e.g., ASUS ROG Strix Z590-E), supporting even the most powerful Ryzen 9 or Core i9 processors. Thermal solutions like passive VRM heatsinks or chipset fans ensure stable operation during extended use. While DDR4 motherboards lack the future-proofing of DDR5, they excel in value and reliability. They are perfect for users who don't need the absolute highest performance, such as casual gamers, students, or small businesses, and they offer a smooth upgrade path for those who may transition to DDR5 in the future. With a wide range of options available from manufacturers like Gigabyte, ASRock, and ASUS, DDR4 motherboards continue to be a staple in the PC building community, proving that performance and affordability can coexist.