Last updated at 02/11/2026 19:02:37
Thermaltake Smart BX3 Bronze 550W Power Supply
Delivery $16
Thermaltake Smart BX3 Bronze 550W Power Supply (PS-SPD-0550NNFABA-3)
Delivery between Wed – Fri $16
Thermaltake Smart BX3 550W Bronze
Delivery between 6–13 Nov $33.15
| 80 PLUS Rating | 80 PLUS Bronze certified |
| Certifications | cTUVus, BSMI, CB, CCC, CE |
| Protection Features | UVP, OCP, OPP, OTP, OVP |
| Connectors | PCI-E 6+2pin (2) |
| Modular | No |
Thermaltake Smart BX3 Bronze 550W Power Supply
Delivery $16
Thermaltake Smart BX3 Bronze 550W Power Supply (PS-SPD-0550NNFABA-3)
Delivery between Wed – Fri $16
Thermaltake Smart BX3 550W Bronze
Delivery between 6–13 Nov $33.15
| 80 PLUS Rating | 80 PLUS Bronze certified |
| Certifications | cTUVus, BSMI, CB, CCC, CE |
| Protection Features | UVP, OCP, OPP, OTP, OVP |
| Connectors | PCI-E 6+2pin (2) |
| Modular | No |
Thermaltake Smart BX3 80+ Bronze ATX 3.1 Power Supply 550 W
Unmatched Reliability ATX 3.1 Power Supply The Smart BX3 series is designed to meet ATX 3.1 standards, offering 550W, 650W, and 750W options. ATX 3.1 Ready Smart BX3 series is fully compatible with ATX 3.1 specifications which supports up to 200% power excursion, reaches 60% low load efficiency and complies with required power supply timing standards. Be Smart, Stay Quiet Equipped with a 120mm fluid bearing fan for superior airflow. Additionally, the built-in Smart Zero Fan spins only when the load reaches a certain percentage to minimize unwanted noise. High Quality 105DegC/221DegF Main Capacitor High quality main capacitor greatly improves the power supplies durability and ensures the Smart BX3 series is stable and reliable. High Amperage Single +12V Rail & DC to DC Design Powerful single +12V rail can properly deliver the power you need for the best compatibility. The use of DC to DC circuit design provides very stable operation and enhanced voltage regulation. Built-in Industrial Grade Protection To protect the hardware, Smart BX3 is built with industry grade protections: OCP(Over Current Protection), OVP (Over Voltage Protection), UVP(Under Voltage Protection), OPP(Over Power Protection), SCP(Short Circuit Protection), OTP(Over Temperature Protection). Non-Modular Flat Cable Design Smart BX3 series comes with soft black cables, designed to make cable installation an easy task while fully powering the system at optimal voltages. 80 PLUS Bronze-Certified and Intel C6/C7 States Ready Smart BX3 Bronze series saves energy through its high energy efficiency up to 85% and is certified to 80 PLUS Bronze.
Unmatched Reliability ATX 3.1 Power Supply The Smart BX3 series is designed to meet ATX 3.1 standards, offering 550W, 650W, and 750W options. ATX 3.1 Ready Smart BX3 series is fully compatible with ATX 3.1 specifications which supports up to 200% power excursion, reaches 60% low load efficiency and complies with required power supply timing standards. Be Smart, Stay Quiet Equipped with a 120mm fluid bearing fan for superior airflow. Additionally, the built-in Smart Zero Fan spins only when the load reaches a certain percentage to minimize unwanted noise. High Quality 105DegC/221DegF Main Capacitor High quality main capacitor greatly improves the power supplies durability and ensures the Smart BX3 series is stable and reliable. High Amperage Single +12V Rail & DC to DC Design Powerful single +12V rail can properly deliver the power you need for the best compatibility. The use of DC to DC circuit design provides very stable operation and enhanced voltage regulation. Built-in Industrial Grade Protection To protect the hardware, Smart BX3 is built with industry grade protections: OCP(Over Current Protection), OVP (Over Voltage Protection), UVP(Under Voltage Protection), OPP(Over Power Protection), SCP(Short Circuit Protection), OTP(Over Temperature Protection). Non-Modular Flat Cable Design Smart BX3 series comes with soft black cables, designed to make cable installation an easy task while fully powering the system at optimal voltages. 80 PLUS Bronze-Certified and Intel C6/C7 States Ready Smart BX3 Bronze series saves energy through its high energy efficiency up to 85% and is certified to 80 PLUS Bronze.
Unmatched Reliability ATX 3.1 Power Supply The Smart BX3 series is designed to meet ATX 3.1 standards, offering 550W, 650W, and 750W options. ATX 3.1 Ready Smart BX3 series is fully compatible with ATX 3.1 specifications which supports up to 200% power excursion, reaches 60% low load efficiency and complies with required power supply timing standards. Be Smart, Stay Quiet Equipped with a 120mm fluid bearing fan for superior airflow. Additionally, the built-in Smart Zero Fan spins only when the load reaches a certain percentage to minimize unwanted noise. High Quality 105DegC/221DegF Main Capacitor High quality main capacitor greatly improves the power supplies durability and ensures the Smart BX3 series is stable and reliable. High Amperage Single +12V Rail & DC to DC Design Powerful single +12V rail can properly deliver the power you need for the best compatibility. The use of DC to DC circuit design provides very stable operation and enhanced voltage regulation. Built-in Industrial Grade Protection To protect the hardware, Smart BX3 is built with industry grade protections: OCP(Over Current Protection), OVP (Over Voltage Protection), UVP(Under Voltage Protection), OPP(Over Power Protection), SCP(Short Circuit Protection), OTP(Over Temperature Protection). Non-Modular Flat Cable Design Smart BX3 series comes with soft black cables, designed to make cable installation an easy task while fully powering the system at optimal voltages. 80 PLUS Bronze-Certified and Intel C6/C7 States Ready Smart BX3 Bronze series saves energy through its high energy efficiency up to 85% and is certified to 80 PLUS Bronze.
Unmatched Reliability ATX 3.1 Power Supply The Smart BX3 series is designed to meet ATX 3.1 standards, offering 550W, 650W, and 750W options. ATX 3.1 Ready Smart BX3 series is fully compatible with ATX 3.1 specifications which supports up to 200% power excursion, reaches 60% low load efficiency and complies with required power supply timing standards. Be Smart, Stay Quiet Equipped with a 120mm fluid bearing fan for superior airflow. Additionally, the built-in Smart Zero Fan spins only when the load reaches a certain percentage to minimize unwanted noise. High Quality 105DegC/221DegF Main Capacitor High quality main capacitor greatly improves the power supplies durability and ensures the Smart BX3 series is stable and reliable. High Amperage Single +12V Rail & DC to DC Design Powerful single +12V rail can properly deliver the power you need for the best compatibility. The use of DC to DC circuit design provides very stable operation and enhanced voltage regulation. Built-in Industrial Grade Protection To protect the hardware, Smart BX3 is built with industry grade protections: OCP(Over Current Protection), OVP (Over Voltage Protection), UVP(Under Voltage Protection), OPP(Over Power Protection), SCP(Short Circuit Protection), OTP(Over Temperature Protection). Non-Modular Flat Cable Design Smart BX3 series comes with soft black cables, designed to make cable installation an easy task while fully powering the system at optimal voltages. 80 PLUS Bronze-Certified and Intel C6/C7 States Ready Smart BX3 Bronze series saves energy through its high energy efficiency up to 85% and is certified to 80 PLUS Bronze.
in 3 offers
The lowest price for Thermaltake Smart BX3 80+ Bronze ATX 3.1 Power Supply 550 W right now is $79.00 at Scorptec, compared across 3 retailers.
The all-time low was $65.00 on 23 May 2026 — today's price is 22% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 2 Nov 2026.
