- Home
- Products
- Power & Cooling
- Thermaltake

Thermaltake Toughpower GT 750W ATX 3.1 Standard Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 300W PCIe 5.1 Connector; PS-TPT-0750FNFAGU-3; 5 Year Warranty
Want the best price and purchase timing?
Our AI advisor analyzes real-time pricing across all channels to find you the best deal.
AI Verdict
This 750W ATX 3.1, 80 Plus Gold, fully modular power supply with a native 300W PCIe 5.1 connector is for mid-range builds needing modern GPU support.
This 750W power supply is a situational fit because it offers ATX 3.1 and PCIe 5.1 support with a native 300W 12V-2x6 connector, making it suitable for modern mid-range GPUs. However, its 300W PCIe 5.1 limit and reported stiffness of cables mean it's not ideal for all high-end builds or those prioritizing extreme ease of cable management.
If you need more power for a single GPU, look for PSUs with a native 12V-2x6 connector rated for 450W or 600W.
Regret Score™
Medium RiskLower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity
Issues discovered after purchase
Critically weak dimension
Amazon rating vs actual quality
Chance this product isn't for you
Pros
- Native 12V-2x6 (12+4 pin) connector supports modern GPUs with up to 300W delivery on this 750W model.
- Fully compatible with ATX 3.1 specifications, including support for 200% power excursion.
- 80 PLUS Gold efficiency provides up to 90% efficiency, reducing energy waste.
- Smart Zero Fan technology keeps the 120mm hydraulic bearing fan off during low loads for quiet operation.
- Fully modular design with flat black cables simplifies cable management and improves case airflow.
- Backed by a 5-year warranty.
Cons
- The 12V-2x6 connector delivers up to 300W, which might be limiting for some higher-end PCIe 5.1 GPUs.
- Some users report the fan can be louder than expected under load, or makes an annoying sound when switching on/off with Smart Zero Fan enabled.
- Modular cables lack part number labels, making future replacements or swaps potentially messy.
- Cables can be stiff, which complicates routing in some cases.
- Some users report the PSU struggles under heavy load.
Dimension Scores
It provides 80 PLUS Gold efficiency (up to 90%) and a single +12V rail, but the 300W limit on the PCIe 5.1 connector is a constraint for some higher-end GPUs.
The Smart Zero Fan technology allows for silent operation at low loads, but some users report the fan can be noisy under load or when it cycles on/off.
It includes industrial-grade protections (OCP, OVP, UVP, OPP, SCP, OTP) and a 5-year warranty, but some Reddit users classify it as 'B-tier' rather than top-tier.
The fully modular design with flat black cables helps with cable management, but the cables are reported to be stiff and lack individual labeling.
Best For
- Mid-range gaming PCs with a single modern GPU requiring a 12V-2x6 connector.
- Systems where quiet operation at low power draw is a priority.
- New PC builds prioritizing ATX 3.1 and PCIe 5.1 compliance without needing top-tier power delivery.
- Users who value a fully modular design for clean cable management.
Not Recommended For
- High-end systems with GPUs demanding over 300W from a single 12V-2x6 connector.
- Multi-GPU setups due to potentially limited PCIe connectors.
- Users who need absolute silence under all load conditions.
Watch Out For
- The native PCIe 5.1 12V-2x6 connector on this 750W model only delivers up to 300W, which may not be enough for some power-hungry GPUs.
- Some users experience an annoying fan on/off sound when Smart Zero Fan is active, or increased noise under load.
- Modular cables do not have part number stickers, making it difficult to identify specific cables for replacement or troubleshooting.
- The cables are reported to be stiff, making neat routing challenging in compact cases.
- Some users have reported performance struggles when the PSU is pushed to its limits.
Full Specifications
| ASIN | B0DJ6BM9X8 |
| Brand | Thermaltake |
| Color | Black |
| Series | Toughpower GT 750 |
| Voltage | 120 Volts |
| Wattage | 750 watts |
| Model Name | Toughpower GT 750 |
| Form Factor | ATX |
| Item Weight | 5.25 pounds |
| Manufacturer | Thermaltake |
| Connector Type | ATX, Molex, PCI Express, SATA |
| Cooling Method | Air |
| Output Wattage | 750 Watts |
| Item model number | PS-TPT-0750FNFAGU-3 |
| Compatible Devices | PC |
| Product Dimensions | 5.9 x 3.4 x 5.5 inches |
| Item Dimensions LxWxH | 5.9 x 3.4 x 5.5 inches |
| Item dimensions L x W x H | 5.9 x 3.4 x 5.5 inches |
What Buyers Say
Users frequently mention the quiet operation at low loads thanks to the Smart Zero Fan, but some are bothered by the fan's noise under heavier loads or its on/off cycling. The fully modular design is appreciated for cable management, though the stiffness of the cables and the absence of part numbers on them are recurring complaints. There's also discussion around its 'future-proof' claims, with the 300W limit on the PCIe 5.1 connector being a point of contention for those with very power-hungry GPUs.
“I bought this for my new 4070 build, and it works, but man, those cables are a pain to bend, and the fan makes a weird click sometimes when it starts up. I guess it's fine for the price, but not sure if it's really 'future-proof' for my next GPU.”
Common Praise
- Fan remains off during low power usage, making the system quiet.
- Fully modular design simplifies connecting only necessary cables.
- Flat black cables look clean inside the PC case.
- ATX 3.1 and PCIe 5.1 compatibility supports newer hardware.
- Provides stable power delivery with a single +12V rail.
Common Complaints
- Fan can be loud under load, or makes an annoying sound when cycling on/off.
- Cables are stiff and difficult to route neatly.
- Modular cables lack specific part number labels.
- The 12V-2x6 connector's 300W limit is insufficient for some high-power GPUs.
- Some users report the PSU struggles when pushed to its limits.
Ownership Tips
- The Smart Zero Fan feature is noticeable, but the fan's activation can be audible.
- Routing the stiff cables requires more effort than expected.
- The lack of labels on individual modular cables is a minor annoyance for organization.
- The 300W limit on the 12V-2x6 connector means you need to check your GPU's power draw carefully.
- The unit feels weighty, which can be a factor in smaller cases.
Frequently Asked Questions
Does this PSU support the latest graphics cards?
Yes, it supports modern GPUs with its native PCIe 12V-2x6 (12+4 pin) connector, which can deliver up to 300W for PCIe 5.1 graphics cards.
Is this power supply quiet?
It features Smart Zero Fan technology, which keeps the fan off during low loads for silent operation. However, some users report the fan can be louder than expected under load or make an audible sound when turning on/off.
Are the cables easy to manage?
It's fully modular with low-profile flat black cables, which generally aids cable management. However, some users find the cables stiff and difficult to route neatly.
What is the warranty period?
The Thermaltake Toughpower GT 750W comes with a 5-year warranty.
What is 80 PLUS Gold efficiency?
80 PLUS Gold certification means the power supply operates at up to 90% efficiency, converting more AC power into usable DC power and generating less waste heat.
Buying Guide
When buying a power supply, you're essentially getting the heart of your PC. You need enough wattage to power all your components, especially your graphics card. Efficiency ratings like 80 PLUS Gold tell you how much power is wasted as heat, which impacts your electricity bill and how hot your case gets. Modular designs mean fewer unused cables cluttering your case, improving airflow and aesthetics.
Wattage (750W)
This is the total power your PSU can deliver. Think of it like the horsepower of a car; you need enough to move your vehicle (PC components) efficiently. 750W is suitable for most mid-range to upper-mid-range gaming PCs with a single GPU.
80 PLUS Gold Efficiency
This certification indicates that the PSU converts at least 87% to 90% of the AC power from your wall into usable DC power for your PC. Higher efficiency means less wasted electricity as heat, similar to how a fuel-efficient car uses less gas for the same distance.
ATX 3.1 and PCIe 5.1 Connector
These are the latest standards for power supplies, designed to handle the power demands of modern, power-hungry graphics cards. The PCIe 5.1 connector (12V-2x6) is a dedicated cable for these new GPUs, ensuring stable power delivery without needing adapters.
Fully Modular
A fully modular PSU means you only plug in the cables you actually need for your components. This is like having custom-length cables for your electronics, reducing clutter and improving airflow inside your PC case compared to having a bundle of unused, permanently attached cables.
Alternatives
If this PSU doesn't fit, look for power supplies with higher wattage (850W or more) and a PCIe 5.1 connector rated for 450W or 600W if you have a very power-hungry GPU, or consider models known for quieter fan operation under load.



