Since the launch of NVIDIA’s top ADA models and the tiresome wrangling over the 12VHPWR connection, many enthusiasts are looking for potent power supplies according to the new ATX 3.0 standard. Thermaltake offers a real ATX v3.0 power supply with Toughpower GF3 1200W, which could be a serious alternative for many owners of a GeForce RTX 4090 or RTX 4080 with a current street price of around 250 Euros. Because you know what it’s like with the adapter: If you don’t put it in properly, you’re dead…
Reason enough for me to once again let my friend Aris from Hardwarebusters have his say (and picture) in this regard on our site as well, because he not only tested this power supply intensively, but also officially certified it accordingly via his company Cybenetics. Since it is also interesting for you for sure, I like to offer him here from case to case also the platform to share his findings with you. And don’t forget, also his Website and the YouTube channel offer real gems of really well-founded reviews!
The Thermaltake Toughpower GF3 1200W ATX v3.0
The Thermaltake Toughpower GF3 1200W power supply offers top performance and is ATX v3.0 and PCIe 5.0 ready. So it’s ideal if you plan to buy an NVIDIA RTX 4090 and combine it with a powerful CPU, an AMD Ryzen 9 7950x or an Intel 13900K. In the coming months, we will definitely see more and more ATX v3.0 and PCIe 5.0 capable power supplies. Thermaltake’s entire GF3 line already follows the guidelines of the latest ATX specification and features 12VHPWR connectors, which make transient testing a bit difficult since you have to load the PSU up to 200% of its maximum rating.
The GF3 1200W is the most powerful model in this series and is based on a CWT platform. By the way, the GF3 1350 and 1650 use a platform provided by High Power, so the design is completely different. Even the modular cables are not electrically compatible. I tried changing cables to run EMI tests, and the GF3 1350 I was testing politely refused to start because its monitoring IC detected a short.
The GF3 1200W is rated Gold and 80 PLUS by Cybenetics, and it also has a Cybenetics standard noise rating, which shows that it is not an extremely quiet power supply. The liquid bearing fan is driven by a very aggressive speed profile under load. The compact dimensions of the device with a depth of 160 mm are not exactly conducive for the internal airflow. For this reason, the maximum operating temperature during continuous full-load operation is limited to 40°C, while it is normally 50°C for high-end power supplies. But a disadvantage can also be an advantage, because there will be quite a few users who do not have room for extra-long monsters of 20 cm and more.
| Technical data | |
| Manufacturer (OEM): | CWT |
| Max Power: | 1200W |
| Cybenetics Efficiency: | [115V] Gold (87-89%) |
| 80 Plus Efficiency: | Gold |
| Noise: | Cybenetics Standard (40 – 45 dBA) |
| Compliance: | ATX12V v3.0 |
| Alternative Low Power Mode support: | yes |
| Power 12V: | 1200 W |
| Power 5V + 3.3v: | 120 W |
| Power 5VSB: | 15 W |
| Cooling: | 135mm Fluid Dynamic Bearing Fan (HA13525H12SF-Z) |
| Semi-Passive Operation: | Yes (Scalable) |
| Modular Design: | Yes (Fully) |
| High Power Connectors: | 2x EPS (2x cables), 4x PCIe 6+2 pin (2x cables), 1x PCIe 12+4 pin (600W) |
| Peripheral Connectors: | 12x SATA (3x cables), 4x 4-pin Molex (single cable) |
| ATX/EPS Cable Length: | 600/700 mm |
| Distance between SATA connectors: | 115 mm |
| Distance between 4-pin Molex connectors: | 100 mm |
| In-cable capacitors: | No |
| Dimensions (W x H x D): | 150 mm x 85 mm x 160 mm |
| Weight: | 1.81 kg (3.99 lb) |
| Warranty: | 10 years |
Before we get to the unboxing, the description and the individual tests on the next pages, I also have the test protocol (Cybenetics Report) for you for the readers of igor’sLAB. Here you can find all the important results of the certification. Of course, it cannot replace this review including an explanation of the individual results.
cybenetics_TLu
- 1 - Introduction, technical data and test report
- 2 - Unboxing, cables and protection circuits
- 3 - Teardown: topology, components, workmanship
- 4 - Load Regulation, Ripple Suppression, Transient Resonse
- 5 - Hold-Up Time, Timings, Inrush-Current
- 6 - Average Efficiency and PF
- 7 - Noise and fan
- 8 - ´Summary and conclusion
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