TR0-900S-C THERMALTAKE 900S PSU 800W BLACK POWER SUPPLY Thermaltake 900S 800W Power Supply, ATX design with 80 PLUS efficiency, 31A 12V Rail Current providing stable and reliable power for all your electronic components. Key Features: Model: TRO-900S-C TUTENG SERIES 800W Form Factor: ATX Wattage: 800W Efficiency Certification: 80 PLUS