
PRODUCT HIGHLIGHTS
- Limited Warranty5 Year
- Shipping Weight5 lbs.
- 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(s)
- 85% Efficiency
Thermaltake Smart BX3 Pro SPD-0850AH2NLB-3 850W Power Supply
PRODUCT HIGHLIGHTS
- Limited Warranty5 Year
- Shipping Weight5 lbs.
- 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(s)
- 85% Efficiency
Thermaltake Smart BX3 Pro SPD-0850AH2NLB-3 850W Power Supply
Overview
Smart BX3 Pro 850WEquipped 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 StandardThe 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 ReadyWith a native PCIe Gen 5.1 12V-2\u00d76 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 ProtectionsBuilt-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 designThe 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 CablesDesigned 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 EfficiencyCertified 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 InstallationWith 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.
OVERVIEW
Thermaltake Smart BX3 Pro SPD-0850AH2NLB-3 850W Power Supply

Smart BX3 Pro 850WEquipped 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 StandardThe 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 ...
PACKAGE CONTENTS
No package contents information available.
Key Features
- Converts Current To The Desired Voltage And Frequency To Manage Your Power Requirements
- 3.3 V DC Ensures The Safety Of Your Device
- The Maximum Output Power Of 850 W Boosts Up The Performance
FEATURES & DESIGN
Key Specifications
| 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 |