Power Supply Thermaltake Smart BX1 PS-SPD-0650NNSABE-1 (650 W; Active; 120 mm)

The Thermaltake Smart BX1 650W is a non-modular power supply unit certified 80 PLUS Bronze, delivering up to 650 W with an AC input range of 100–240 V. It is built with a 120 mm hydraulic bearing fan, Japanese main capacitors and a high-amperage single +12V rail to provide stable power delivery and reliable operation. The unit includes standard connectors such as a 24-pin ATX motherboard plug, CPU and PCIe connectors, SATA and Molex adapters, and comes in black with sleeved cables. It carries a multi-year warranty and is designed for value-conscious PC builders who need efficient, quiet and dependable power.

Advantages

The Smart BX1 650W offers up to 88% efficiency under typical loads, ensuring lower energy loss and reduced heat output. Its 120 mm hydraulic bearing fan with intelligent RPM control provides effective cooling with near-silent operation. Low ripple noise on the +12V, +5V and +3.3V rails protects sensitive components, while premium Japanese main capacitors improve durability and long-term stability. Sleeved soft-black cables simplify installation and maintain clean cable routing.

Suitable for

• Home and office desktop PCs
• Mid-range gaming systems with a single graphics card
• Upgrades to replace aging or lower-efficiency PSUs
• Budget-focused system builds requiring reliable continuous power

Key specifications

• Total power: 650 W
• 80 PLUS certification: 80 PLUS Bronze (up to 88% efficiency)
• Fan diameter: 120 mm hydraulic bearing fan
• Motherboard connector: 24-pin ATX
• Input voltage: 100–240 V AC
• Product colour: Black

How to use

Install the Smart BX1 650W into a compatible ATX chassis, secure it with the supplied screws and connect the 24-pin ATX cable to the motherboard. Attach the CPU and PCIe power connectors to the appropriate components, and use the SATA and Molex cables for drives and peripherals. Ensure the PSU switch (if present) is off before connecting mains power, then set the mains input and turn the unit on. Verify that all connectors are fully seated and route cables to avoid obstructing airflow.

Recommendations

For reliable performance, operate the power supply in a well-ventilated case, avoid overloading beyond its rated 650 W, and periodically check connections and dust buildup around the fan and vents. Match the unit to systems that require a single strong +12V rail and use a UPS if protecting against unstable mains is necessary.