80 PLUS® Silver - Certified PSUs

80 PLUS® Silver certifies that a 115V internal non-redundant power supply unit is at least 85% efficient at 20%, 88% efficient at 50% and 85% efficient at 100% load. A 230 V EU internal non-redundant must be 87% efficient at 20%, 90% efficient at 50% and 87% efficient at 100% load. See the 80 PLUS Certification Rating Chart for full information.