Thermaltake Smart BX1 650W 80 Plus Bronze SMPS

The Thermaltake Smart BX1 650W 80 Plus Bronze Power Supply (P/N: PS-SPD-0650NNSABD-1, Model: SPD-650AH2NKB) is a value-oriented ATX power supply designed to deliver dependable, continuous power for mainstream desktop builds. Certified to 80 PLUS Bronze efficiency, it achieves up to 88% power conversion efficiency at 115 Vac input, helping keep electricity consumption in check during everyday use. The unit is part of Thermaltake's Smart Series, available across a 450W–750W wattage range, making it a scalable choice for budget-conscious builders. At the heart of the Smart BX1's reliability story are its Japanese main capacitors, chosen for their longevity and stable electrical characteristics. Cooling is handled by a 120mm hydraulic bearing fan with intelligent RPM controls. This fan design runs quietly under low and moderate loads, only ramping up speed when thermal demands require it, keeping noise levels unobtrusive during typical desktop workloads. The power supply operates on a high-amperage single +12V rail configuration, which helps distribute clean power to components such as discrete GPUs and modern CPUs. Ripple noise is tightly controlled: below 80 mV on the +12V rail and below 40 mV on the +5V and +3.3V rails across the full 0–100% load range, supporting stable operation for performance-sensitive hardware. Active PFC circuitry improves power factor and ensures compatibility with a wide AC input range of 100V–240V at 50–60 Hz. Connectivity includes two PCIe 6+2-pin connectors for graphics card power, six SATA connectors, and four 4-pin peripheral connectors. Cables feature soft sleeving for easier routing inside a chassis. The ATX 12V v2.3 and EPS v2.92 compliance makes this unit compatible with a broad range of current and past-generation Intel platforms. Thermaltake backs the Smart BX1 with a 5-year warranty and rates it for a minimum MTBF of 100,000 hours. Safety certifications include CE, CB, TUV, UL, FCC, and BSMI. Verified Specifications: Form Factor: ATX | Max. Output: 650W | Peak Output: 780W | Efficiency: 80 PLUS Bronze (up to 88% at 115 Vac) | PFC: Active | Input Voltage: 100V–240V~ | Input Frequency: 50–60 Hz | Input Current: 12A max. | Cooling: 120mm Hydraulic Bearing Fan | Dimensions (W×H×D): 150mm × 86mm × 140mm | Operating Temperature: 5°C to 40°C | MTBF: 100,000 hrs minimum | PCIe 6+2-pin: 2 | SATA: 6 | 4-pin Peripheral: 4 | Warranty: 5 Years | Safety: CE/CB/TUV/UL/FCC/BSMI | Color: Black | RGB Fan: No