Cassandra database architecture, modern data center, complex network infrastructure, rows of servers, sleek metal racks, blinking LED lights, futuristic atmosphere, neon-lit background, intricate circuit boards, wires and cables, central processing units, memory modules, storage devices, distributed systems, nodes and clusters, 3D visualization, wireframe model, abstract digital space, low-poly aesthetic, blue and white hues, high-tech ambiance, atmospheric lighting.