THERMALTAKE Smart BM3 650W 80+ Bronze Semi Modular ATX 3.0 Power Supply

The Thermaltake Smart BM3 650W is an 80 PLUS Bronze certified, semi-modular ATX power supply built to Intel ATX 3.0 specifications. Whether you are assembling a new mid-range gaming PC or upgrading an existing system to support a modern graphics card, this unit provides a dependable and feature-rich power platform without unnecessary complexity. Designed for the current generation of PC hardware, the Smart BM3 650W includes a native 16-pin PCIe Gen 5.0 (12VHPWR) connector capable of delivering up to 300W directly to compatible RTX 40-series and other PCIe 5.0 graphics cards. Additionally, four 6+2-pin PCIe connectors cater to AMD graphics cards and entry-level NVIDIA configurations that rely on traditional power connections. The unit operates on a high-amperage single +12V rail paired with a DC-to-DC circuit design, which provides stable voltage regulation across connected components. Active PFC (Power Factor Correction) ensures efficient power draw from the mains, and the PSU meets 80 PLUS Bronze efficiency at 115 Vac input — delivering up to approximately 85% efficiency under typical loads. Thermal management is handled by a 120mm Fluid Dynamic Bearing (FDB) fan that operates quietly under normal conditions. The Smart Zero Fan function keeps the fan stationary until system load surpasses 20%, further reducing noise during light workloads such as browsing or media playback. Reliability is reinforced by a high-quality Japanese 105°C-rated main electrolytic capacitor, a MTBF rating of 100,000 hours minimum, and comprehensive built-in protection circuits: OCP (Over Current), OVP (Over Voltage), UVP (Under Voltage), OPP (Over Power), SCP (Short Circuit), and OTP (Over Temperature). The unit is backed by a 5-year manufacturer warranty and carries multiple safety certifications including CE, FCC, TUV, CB, and cTUVus. The semi-modular flat cable design means essential cables such as the 24-pin ATX motherboard connector are hardwired, while peripheral cables are detachable — reducing cable clutter and improving airflow inside the chassis. Key Verified Specifications: - Model: SPD-650AH2CLB | P/N: PS-SPD-0650MNFABD-3 - Max Output Capacity: 650W - ATX Standard: ATX 3.0 - Efficiency: 80 PLUS Bronze (up to ~85% at 115 Vac) - Cooling: 120mm (12cm) FDB Fan with Smart Zero Fan - PCIe 12+4-pin (12VHPWR): 1 x 300W - PCIe 6+2-pin: 4 - Input Voltage: 100–240V~ | Input Frequency: 50/60 Hz - PFC: Active PFC - Operating Temperature: 5°C to 45°C - MTBF: 100,000 hours minimum - Dimensions (W×H×D): 150mm × 86mm × 140mm - Color: Black - Warranty: 5 years - Safety: CE / UKCA / LVD / FCC / ICES / TUV / CB / cTUVus / BSMI / CCC