16-layer storage server HDI PCB board is one of the series of high-frequency and high-speed HDI circuit boards developed and produced by Shenzhen Dafengwang Electronics Co. The storage server HDI board is made of r-5775 material with gold surface deposition production process, smaller aperture up to 0.25mm, smaller line width line spacing up to 3/3mil, which is the ideal board product for server storage field.