Tech Chinese DIY PC builders turn to DDR3 as memory prices rise Pcgamer reports that members of China's DIY PC community are reverting to older DDR3 motherboards as DDR4 and DDR5 memory prices climb. The piece said DDR5-7200 prices have surged and sales have dipped. Citing TrendForce, it noted the average spot price of mainstream DDR4 chips (DDR4 1Gx8 3200