Thermaltake Smart 700W 80 Plus or Thermaltake Dr. Power III Pro? Which Thermaltake Model to Buy
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This guide compares the thermaltake smart 700w 80 white vs dr power iii pro. Both devices come from Thermaltake and work with ATX desktop computer hardware. The core difference lies in their functions. The Smart 700W is an internal power supply designed to deliver continuous electrical power to your components. The Dr. Power III Pro is a diagnostic tool designed to test power supplies and identify voltage or continuity faults.
Key differences
| Aspect | Thermaltake Smart 700W 80 Plus White PSU | Thermaltake Dr. Power III Pro ATX PSU Tester |
|---|---|---|
| Device type | Power supply unit | Power supply tester |
| ATX version support | ATX 12V V2.3 | Up to ATX12V v3.1 |
| Efficiency rating | 80 Plus White (up to 86%) | not listed |
| Built-in display | not listed | Color screen with fault alerts |
| Cooling fan | 120mm ultra quiet fan | not listed |
Which one should you choose?
Choose Thermaltake Smart 700W 80 Plus White PSU if
- You need a 700W continuous internal power supply to run desktop PC hardware.
- You want an ATX unit with a 120mm cooling fan and an 80 Plus White rating.
Choose Thermaltake Dr. Power III Pro ATX PSU Tester if
- You need a diagnostic tool to read output voltages, PG signals, and continuity on power units.
- You work on PC builds and need to verify ATX 3.1 or PCIe Gen 5.1 connections.
Verdict: Choose the Thermaltake Smart 700W if you need an internal power supply to run your computer hardware. Choose the Thermaltake Dr. Power III Pro if you need a diagnostic meter to verify voltages and test power supply connections.
PSU vs Tester Comparison
Product Category
The Thermaltake Smart 700W is a power supply unit designed to deliver continuous power to your PC components. It operates at 700W and supports ATX 12V V2.3 standards. In contrast, the Thermaltake Dr. Power III Pro is not a power source. It is an ATX power supply tester. This device checks connections, voltage, and power good signals. It helps you diagnose issues with existing power supplies rather than powering a system itself. You are comparing an energy provider against a diagnostic tool. They serve entirely different roles in a PC build or maintenance workflow.
Efficiency Rating
The Thermaltake Smart 700W features an 80 PLUS White efficiency rating. This certification indicates it achieves up to 86% efficiency at typical loads. It also includes active power factor correction to improve power usage. The Thermaltake Dr. Power III Pro does not have an efficiency rating because it is a testing device. It consumes minimal power to run its own display and sensors. It measures the efficiency of other units rather than providing certified efficiency for your system. For your PC's energy costs and heat output, the Smart 700W provides the necessary efficiency data, while the Dr. Power III Pro offers no such metric.
ATX Version Support
The Thermaltake Smart 700W supports the ATX 12V V2.3 specification. This is a standard version for many mainstream systems. The Thermaltake Dr. Power III Pro supports up to the ATX12V v3.1 spec. This newer standard includes requirements for PCIe Gen 5.1 sideband sensing. The tester can identify power limits for modern GPUs, such as 150W, 300W, 450W, or 600W outputs. If you are building with the latest graphics cards, the Dr. Power III Pro has the advantage in compatibility with newer standards. The Smart 700W is limited to older V2.3 guidelines.
Physical Form Factor
The Thermaltake Smart 700W is an ATX form factor power supply. Its dimensions are approximately 5.8 inches wide, 3.5 inches high, and 5.9 inches long. It weighs 2.2 pounds. It is designed to fit inside standard PC cases. The Thermaltake Dr. Power III Pro is a handheld diagnostic tool. It measures 3 inches wide, 0.75 inches high, and 5.5 inches long. It weighs only 4.8 ounces. The tester is portable and fits in a toolbox. The Smart 700W is a large internal component. They differ significantly in size and installation requirements.
Display and Alerts
The Thermaltake Dr. Power III Pro includes a color display screen. It shows real-time voltage data for +12V, +5V, +3.3V, and +5Vsb outputs. It also displays the power good signal in milliseconds. The device provides audible beeps and visual red alerts when faults are detected. The Thermaltake Smart 700W has no display or user interface. It is a passive component that runs silently. It relies on the 120mm fan for cooling. If you need to monitor power delivery or troubleshoot faults, the Dr. Power III Pro offers clear feedback. The Smart 700W provides no visual data.
Warranty Coverage
The Thermaltake Smart 700W comes with a 5-year warranty. This covers the power supply unit against defects during normal operation. The Thermaltake Dr. Power III Pro warranty information is not listed in the provided data. Without specific details, we cannot compare the duration or terms of coverage for the tester. The Smart 700W offers a clear five-year protection period for your investment in power delivery. The lack of data for the Dr. Power III Pro means this aspect cannot be fully evaluated for both products.
Choose the right Thermaltake tool for your needs
PC builders needing a reliable power source
You need a power supply unit to energize your system. The Smart 700W delivers 700W of continuous power with 80 Plus White efficiency. It uses a 120mm fan for airflow and meets ATX 12V V2.3 standards. This is the component that actually powers your computer components during operation.
Technicians diagnosing PSU faults or voltages
You need to test power supply health without installing it. The Dr. Power III Pro checks voltage, continuity, and PG signals. It displays real-time data for +12V, +5V, and +3.3V outputs. It also detects PCIe Gen 5.1 sideband signals. This tool alerts you to faults with audible and visual warnings.
Users verifying modern GPU power delivery
You need to ensure your power supply can handle modern graphics cards. The Dr. Power III Pro detects sideband SENSE0/SENSE1 signals. It identifies power capabilities of 150W, 300W, 450W, or 600W for GPUs. It supports the latest ATX 12V v3.1 spec. This ensures your new GPU receives the correct power allowance.
The products compared
Thermaltake Smart 700W 80 Plus White PSU
Best for: Basic builds needing 700W output
- Wattage
- 700W
- Efficiency Rating
- 80+ White
- ATX Version
- ATX 12V V2.3
- Fan Size
- 120mm
- Warranty
- 5 Year
- Power Factor Correction
- Active PFC
View on Amazon: Thermaltake Smart 700W 80 Plus White PSU Affiliate link
The Thermaltake Smart 700W offers 700W of continuous power with 80 Plus White efficiency. It uses an active PFC and a 120mm fan for quiet airflow. This ATX unit measures 5.9 x 5.8 x 3.5 inches. It suits users needing reliable basic power delivery without premium features. The 5-year warranty provides standard coverage for this tier.
Pros
- 700W continuous power output
- 80 Plus White efficiency rating
- 120mm ultra quiet fan
- Active PFC included
- 5-year warranty coverage
Cons
- 80 Plus White is the lowest efficiency tier
- Non-modular cable management
- No digital display or monitoring
Good fit if
- You need a reliable 700W power supply
- You prioritize quiet operation with a 120mm fan
- You want a standard ATX form factor
Skip if
- You require high efficiency like Gold or Platinum
- You need modular cables for clean builds
- You want digital power monitoring features
Verdict: Thermaltake Smart 700W 80+ White PSU fits users who need dependable 700W output with standard efficiency. It is ideal for basic builds where quiet operation and a 5-year warranty matter more than premium features.
Thermaltake Dr. Power III Pro ATX PSU Tester
Best for: verifying PSU voltages and PCIe 5.1 signals
- Form Factor
- ATX
- Connector
- 12V-2x6 Connector
- Dimensions
- 5.5 × 3 × 0.75 inches
- Weight
- 4.8 ounces
View on Amazon: Thermaltake Dr. Power III Pro ATX PSU Tester Affiliate link
This is a dedicated ATX power supply tester, not a PSU. It checks voltage, continuity, and power-good signals for ATX12V v3.1 specs. You get real-time readings for +12V, +5V, +3.3V, and +5Vsb outputs. It also detects PCIe Gen 5.1 sideband signals to verify GPU power delivery. The color display and audible alerts help you spot faults quickly. It fits in your tool kit for PC building or repair.
Pros
- Tests ATX12V v3.1 spec power supplies
- Detects PCIe Gen 5.1 sideband SENSE0/SENSE1 signals
- Provides real-time voltage and PG readings
- Audible and visual fault alerts
- Compact 5.5 x 3 x 0.75 inch size
Cons
- Only tests power supplies, does not provide power
- No data logging or PC software mentioned
- Single unit cannot test multiple PSUs simultaneously
Good fit if
- You need to verify PSU voltages and power-good signals
- You want to check PCIe Gen 5.1 compatibility for new GPUs
- You prefer audible and visual fault alerts
Skip if
- You are looking for a power supply unit to run your PC
- You need to test multiple PSUs at the same time
- You require data logging or software integration
Verdict: Thermaltake Dr. Power III Pro PSU Tester is a specialized tool for verifying PSU health and PCIe 5.1 compatibility. It suits builders and technicians who need precise voltage and signal checks without the complexity of full diagnostic software.
Specifications side by side
| Spec | Thermaltake Smart 700W 80 Plus White PSU | Thermaltake Dr. Power III Pro ATX PSU Tester |
|---|---|---|
| Wattage | 700W | not stated |
| Efficiency Rating | 80+ White | not stated |
| ATX Version | ATX 12V V2.3 | not stated |
| Fan Size | 120mm | not stated |
| Warranty | 5 Year | not stated |
| Form Factor | ATX | ATX |
| Connector | not stated | 12V-2x6 Connector |
| Power Factor Correction | Active PFC | not stated |
| Dimensions | 5.9 × 5.8 × 3.5 inches | 5.5 × 3 × 0.75 inches |
| Weight | 2.2 pounds | 4.8 ounces |
| Size | 700W | III Pro |
| Color | Black | Black |
| Model | SPD-0700NP | AC-083-OO1NAN-A1 |
Frequently asked questions
Can I use the Thermaltake Dr. Power III Pro to power my computer?
No. The Dr. Power III Pro is a diagnostic tester, not a power supply. It checks voltages and PCIe 5.1 signals. It cannot energize your PC components. You need the Smart 700W PSU for that. The tester is a tool for verification, not for running your system.
Does the Smart 700W support the latest PCIe 5.1 connectors?
The product data does not specify PCIe 5.1 support for the Smart 700W. It lists Active PFC and 80 Plus White efficiency. The Dr. Power III Pro explicitly supports 12V-2x6 connectors. If you need to verify new GPU power signals, the tester is the appropriate tool for checking compatibility.
What is the difference in size between the Smart 700W and the Dr. Power III Pro?
The Smart 700W is a standard ATX unit measuring 5.8 by 3.5 by 5.9 inches. It weighs 2.2 pounds. The Dr. Power III Pro is a small handheld tester. It measures 3 by 0.75 by 5.5 inches. It weighs only 4.8 ounces. The PSU is much larger and heavier.
Is the Smart 700W efficient enough for a modern build?
The Smart 700W carries an 80 Plus White rating. This indicates standard efficiency for basic builds. It uses Active PFC for power factor correction. It is suitable for users who need dependable 700W output. It is not a premium efficiency unit like Gold or Platinum rated models.
Why would I need the Dr. Power III Pro instead of just using the Smart 700W?
You use the Smart 700W to power your PC. You use the Dr. Power III Pro to verify its health. The tester checks voltages and PCIe 5.1 signals. It helps technicians confirm compatibility without complex software. It is a specialized tool for diagnostics, not a replacement for a power supply.
What model numbers identify these Thermaltake products?
The Smart 700W model is SPD-0700NP. Its ASIN is B014W3EAX8. The Dr. Power III Pro model is AC-083-OO1NAN-A1. Its ASIN is B0H1XM8VKS. These identifiers help you find the correct item. They distinguish the power supply from the diagnostic tester.

