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Thermaltake Smart BX3 Pro SPD-0850AH2NLB-3 850W Power Supply Black ATX 120 V AC 230 V AC Input 3.3 V DC 5 V DC 12 V DC -12 V DC 5 V SB Output 850 W Active PFC 1 +12V Rails PCI Express Connector 5.1 1 Fan 85% Efficiency PSSPD0850NNFABU7

Thermaltake Smart BX3 Pro SPD-0850AH2NLB-3 850W Power Supply Black ATX 120 V AC 230 V AC Input 3.3 V DC 5 V DC 12 V DC -12 V DC 5 V SB Output 850 W Active PFC 1 +12V Rails PCI Express Connector 5.1 1 Fan 85% Efficiency PSSPD0850NNFABU7
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General Information

Smart BX3 Pro 850W

Equipped with a high-quality 105°C main capacitor, it ensures outstanding durability and consistent performance even under high temperatures. With comprehensive protection mechanisms and a 5-year warranty, the Smart BX3 Pro 850W is designed to deliver dependable performance and long-lasting value for users who demand efficiency and reliability.

Built for Intel ATX 3.1 Standard

The Smart BX3 Pro 850W fully complies with the Intel ATX 3.1 specification, supporting Intel C6/C7 low power states and ErP readiness for enhanced energy efficiency. It delivers 850W of continuous power at 40°C, meeting strict power timing standards to ensure system stability and full compatibility with modern PC builds.

PCIe Gen 5.1 Ready

With a native PCIe Gen 5.1 12V-2×6 connector and low-profile etched flat cables, the Smart BX3 Pro 850W ensures better airflow and easier cable management for modern GPUs. Its high-amperage +12 V rail, high-quality 105°C main capacitor, and DC-to-DC design delivers stable and efficient power to meet next-gen performance demands.

Industry-Grade Safety Protections

Built-in protections including Over Current Protection (OCP), Over Voltage Protection (OVP), Under Voltage Protection (UVP), Over Power Protection (OPP), Over Temperature Protection (OTP), and Short Circuit Protection (SCP) safeguards your system against electrical faults, providing peace of mind and reliable operation.

High amperage single +12V rail design

The Smart BX3 Pro series features a powerful single +12V rail combined with an advanced DC-to-DC design, delivering precise voltage regulation and stable power output for every component.

Low-Profile Etched Flat Cables

Designed with low-profile etched flat cables, the Smart BX3 Pro 850W makes cable management effortless and enhances overall system airflow. The streamlined cable layout not only helps users achieve a clean and organized build but also ensures efficient power delivery to all key components for a stable, clutter-free setup.

80 PLUS Bronze Efficiency

Certified for 80 PLUS Bronze with up to 85% efficiency, the Smart BX3 Pro 850W delivers continuous and stable power output at 40 °C. It minimizes energy loss and enhances system performance, making it a reliable and efficient choice for modern PC builds.

Compact Size for Easy Installation

With a compact design of 150mm (W) x 86mm (H) x 140mm (D), the Smart BX3 Pro 850W fits seamlessly into most PC cases. Its standard ATX dimensions make installation simple and space-efficient, providing users with a clean, organized build layout without compromising power performance.

Technical Information
Specification Compliance:ATX 3.1
Efficiency:85%
Power Factor Correction (PFC):Active
Number of Fans:1
Fan Bearing Type:Fluid Dynamic Bearing
Fan Diameter:120 mm
Protection Type:Over Current
Protection Type:Over Voltage
Protection Type:Over Power
Protection Type:Over Temperature
Protection Type:Under Voltage
Protection Type:Short Circuit

Power Description
Number of +12V Rails:1
Input Voltage:120 V AC
Input Voltage:230 V AC
Input Voltage Range:100 V AC - 240 V AC
Output Voltage:3.3 V DC
Output Voltage:5 V DC
Output Voltage:12 V DC
Output Voltage:-12 V DC
Output Voltage:5 V SB
Output Voltage Detail:3.3 V DC @ 18 A
Output Voltage Detail:5 V DC @ 18 A
Output Voltage Detail:-12 V DC @ 0.3 A
Output Voltage Detail:5 V SB @ 3 A
Output Voltage Detail:12 V DC @ 70.8 A
Output Current:18 A
Output Current:70.80 A
Output Current:300 mA
Output Current:3 A
Output Power:850 W
Input Frequency:50-60 Hz

Interfaces/Ports
Number of SATA Power Connectors:4
PCI Express Connector:Yes
PCI Express Version:5.1
Number of (6+2 pin) PCI Express Power Connectors:3
Number of (4+4 pin) CPU Power Connectors:2

Environmental Conditions
Minimum Operating Temperature:41°F (5°C)
Maximum Operating Temperature:113°F (45°C)
Product Color:Black

Physical Characteristics
Color Family:Black
Form Factor:ATX
Height:3.4"
Width:5.9"
Depth:5.5"

Miscellaneous
Certifications & Standards:
  • CE
  • UKCA
  • LVD
  • UKCA
  • FCC
  • ICES
  • TUV
  • CB
  • cTUVus
  • BSMI
  • CCC
Energy Efficiency Certification:80 Plus Bronze

Warranty
Limited Warranty:5 Year

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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Shipping Restrictions
  • This item cannot be shipped to PO Boxes.
  • This item can be shipped only within the U.S.


  • UPC: 840480308001 
  • Mfr's Part #: PS-SPD-0850NNFABU-7