When sourcing gaming PCs, the GPU (Graphics Processing Unit) is the most critical component; ensure a minimum of NVIDIA RTX 30 or 40 series for modern titles. Pair this with a CPU (Central Processing Unit) such as Intel Core i5/i7 or AMD Ryzen 5/7 to avoid bottlenecks. For memory, 16GB DDR4/DDR5 RAM is the industry standard for gaming, and storage must include at least a 512GB NVMe SSD for fast boot times. Additionally, verify the Power Supply Unit (PSU) has an 80 Plus Gold certification to ensure energy efficiency and system stability.