A high capacity, high throughput strong anion exchange chromatography membrane designed for single-use per batch biomolecule purification. The unique Natrix® Q membrane contains a high density of quaternary amine ligands that are directly polymerized within the porous membrane scaffold. The interconnected pore structure and high ligand density enables fast flow rates with impressive throughput to extremely high loads while maintaining excellent impurity reduction. The Natrix® Q membrane design delivers improvements in productivity, flexibility, and process robustness for any bioprocess design.