Gigabyte 550 W Power Supply GP-P550SS

80 PLUS SILVER CERTIFICATION 80 Plus Silver certification (230 V EU) guarantees 90% efficiency at 50% load, reducing power losses, heat output, and fan noise. Intel ATX 3.0 Standard Support The P550SS can handle up to 2x derating of total power. It fully complies with Intel's ATX 3.0 Power Supply Design Guide (PSDG), supporting up to 200% power deviation, achieving 70% efficiency at low loads, and meeting required power supply synchronization standards. 120-MM FDB FAN WITH HYDRO DYNAMIC BEARING The high-performance fan with Fluid Dynamic Bearing (FDB) uses oil film damping technology to effectively reduce noise, making it quieter than standard sleeve fans and offering more than double the lifespan. Additionally, the fan monitors current power consumption and temperature, automatically adjusting fan speed to minimize noise.