Last Updated: August 3, 2026
SS Grade vs. S Grade Circuit Boards | Ohata
Compare SS Grade and S Grade circuit boards under the Ohata Board Scrap Classification System. Learn how to identify their typical sources, CPU and BGA configurations, socket requirements, component density, recycling value, acceptance standards, downgrade conditions, and rejection risks. This guide explains why complete, clean, undamaged, and properly sorted telecom, enterprise, server, desktop, legacy computer, and non-SATA hard drive boards receive better recycling value, while stripped, broken, burned, corroded, contaminated, or mixed circuit board loads may be downgraded or rejected.