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Thermaltake Smart BX1 550W Bronze SLI/ CrossFire Ready Continuous Power ATX12V V2.3/ EPS V2.92 80 Plus Bronze Certified 5 Year Warranty Non Modular Power Supply PS-SPD-0550NNFABU-1

+ $5 off w/ promo code TT5345379, limited offer

In stock.
Ships from United States.
  • 550W
  • 650W
  • 750W
  • Non-LED
  • RGB
  • ATX 12V v2.3 and EPS v2.92
  • Non-Modular
  • 80 PLUS BRONZE Certified
  • 100 - 240 V 50/60 Hz
  • +3.3V@21A, +5V@16A, +12V@38A, -12V@0.5A, +5VSB@2.5A

Smart BX1 550W

Built to deliver 80 PLUS Bronze with 88% power efficiency, the Smart BX1 series is available in 450W-750W models. Constructed with a 120mm hydraulic-bearing fan, Japanese-made main capacitors and other premium components to help deliver a continuous and stable power output at 40℃, near-silent operation and reliable performance. With an ample 5-year warranty, the Smart BX1 is able to satisfy the market, where value-oriented users are looking for a new power supply with all the latest features.

Thermaltake Smart BX1 550W PS-SPD-0550NNFABU-1 Power Supply Angled Down to the Left, Next to the Thermaltake 5-Year Warranty

Ultra-Quiet 120mm Hydraulic-Bearing Fan

Featuring a 120mm hydraulic bearing fan with intelligent RPM controls to help guarantee superior cooling performance and near silent operation.

Thermaltake Smart BX1's Hydraulic Bearing Fan Thermaltake Smart BX1 Fan Noise Graph

Low Ripple Noise

All ripples are lower than 80mV on +12V, and lower than 40mV on +5V or +3.3V from 0% to 100% load to ensure a stable operation and keep your performance-critical components, such as high-end graphics cards, functioning reliably for longer.

Low Ripple Noise Graph - Intel Specification versus Smart BX1

Premium Japanese-Made Main Capacitor

Providing great durability as well as offering the highest stability, while remaining reliable.

Thermaltake Smart BX1's Japanese-Made Main Capacitor Premium Japanese Main Capacitor Graphic

High-Amperage Single +12V Rail

Powerful single +12V rail ensures a stable and reliable supply to other PC components.

Thermaltake Smart BX1's High Amperage Single +12V Rail Powerful single +12V rail graphic Smart BX1 550W power supply's AC input - Input Voltage: 100V-240Vac, Input Current: 12A max., Frequency: 50Hz-60Hz

Multiple Connectors

Soft black cables come with sleeve cabling, designed to make cable installation an easy task while fully powering the system at optimal voltages

Multiple Connectors for the Thermaltake Smart BX1 550W - Main power connector 600mm 24-pin, ATX 12V (4 + 4 pin) 650mm cable length, SATA (4-pin) 500mm+150mm+150mm+150mm, PCI-E (6 + 2-Pin) 500mm+150mm, Peripheral (4-Pin) & Floppy Adapter (4-Pin) 500mm+150mm+150mm+150mm+150mm

80 PLUS Gold Certified and Intel C6/C7 States Ready

Smart BX1 series saves energy through its high energy efficiency up to 88% and is certified to 80 PLUS® Bronze. It has been optimized to work with all generations of Intel’s processors to achieve maximum energy saving.

80 PLUS Gold Certified and Intel C6/C7 States Ready Badges


Model SPD-550AH2NKB
Type ATX 12V v2.3 and EPS v2.92
Max. Output Capacity 550W
Peak Output Capacity 660W
Color Black
Dimension (H x W x D) 150mm(W) x 86mm(H) x 140mm(D)
PFC (Power Factor Correction) Active PFC
Power Good Signal 100-500 msec
Hold Up Time > 16 msec at 70% of Full Load
Input Current 10A max.
Input Frequency Range 50 Hz-60 Hz
Input Voltage 100Vac–240Vac
Operating Temperature 5℃ to +40℃
Operating Humidity 20% to 85%,Non-Condensing
Storage Temperature -40℃ to + 55℃
Storage Humidity 10% to 95%, Non-Condensing
Cooling System 12cm Hydraulic-Bearing fan
Efficiency Meet 80 PLUS® Gold at 115Vac Input
MTBF 100,000 hrs Minimum
Safety Approval CE/CB/TUV/UL/FCC/BSMI
PCI-E 6 + 2-Pin 2

Warranty & Returns

Warranty, Returns, And Additional Information


  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years
  • Read full details

Return Policies

  • Return for refund within: 30 days
  • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy