PCIe Gen 5.0 Ready! Designed with a native PCIe 12+4pin modular connector, the Toughpower GF3 series is built for the next-gen PCIe 5.0 graphics cards and is compatible with Intel ATX 3.0 specifications. The fully modular Toughpower GF3 series comes in 1650W, 1350W, 1200W, 1000W, 850W and 750W and is built to deliver 80 PLUS Gold efficiency. Aimed at providing the best performance, the Toughpower GF3 1200W includes all the critical features such as < 30mV low ripple noise design, extremely strict voltage regulation < �2%, hold up time> 17 milliseconds, and comes with 100% high quality Japanese capacitors and other premium components to help deliver continuous and stable power.Toughpower GF3 series is fully compatible with Intel ATX 3.0 Specifications which supports up to 200% power excursion, reaches 70% low load efficiency and complies with required power supply timing standards. The GF3 series can sustain up to 3x GPU power excursion and 2x total power excursion.
Q: Is the power supply fully modular?
A: The Toughpower GF3 series power supply is fully modular.
Q: Does the power supply come with a fan?
A: The Thermaltake Toughpower GF3 1200W power supply has one 135mm fluid bearing fan for cooling.
Q: What is the efficiency rating of the power supply?
A: The Toughpower GF3 series is built to deliver 80 PLUS Gold efficiency.
Q: What is the weight of the power supply?
A: The product weight is 65.6 ounces.
Q: Can the power supply handle power excursions?
A: The GF3 series can sustain up to 3 times the GPU power excursion and 2 times the total power excursion.

PCIe Gen 5.0 Ready! Designed with a native PCIe 12+4pin modular connector, the Toughpower GF3 series is built for the next-gen PCIe 5.0 graphics cards and is compatible with Intel ATX 3.0 specifications. The fully modular Toughpower GF3 series comes in 1650W, 1350W, 1200W, 1000W, 850W and 750W and is built to deliver 80 PLUS Gold efficiency. Aimed at providing the best performance, the Toughpower GF3 1200W includes all the critical features such as 17 milliseconds, and comes with 100% high quality Japanese capacitors and other premium components to help deliver continuous and stable power.Toughpower GF3 series is fully compatible with Intel ATX 3.0 Specifications which supports up to 200% power excursion, reaches 70% low load efficiency and complies with required power supply timing standards. The GF3 series can sustain up to 3x GPU power excursion and 2x total power excursion.

The CORSAIR RM1200e Fully Modular Low-Noise Power Supply provides quiet, reliable power with 80 PLUS Gold efficiency to your PC. Compliant with the ATX 3.1 power standard from Intel, RMe PSUs have the connections needed to power today’s demanding PC hardware. Industrial-grade, 105°C-rated 100% Japanese Electrolytic capacitors deliver superb electrical performance, backed by a ten-year warranty. Wake your computer faster and consume less power with support for the new Modern Standby sleep mode. Fully modular cables make PC builds easy, as you connect only the cables your system requires. With a more compact 150mm casing, you get more room for your cables to fit comfortably in any power supply compartment.

CORSAIR RMx Series Fully Modular Low-Noise Power Supplies deliver quiet, dependable power with Cybenetics Gold efficiency to your PC. Fully modular, ultra-flexible embossed cables make PC builds easy, as you connect only the cables your system requires. Compliant with the ATX 3.1 power standard from Intel, RMx PSUs have the connections needed to power today’s demanding PC hardware including a native 12V-2x6 connector. 100% Japanese 105°C-rated electrolytic capacitors deliver fantastic electrical performance, while a 140mm FDB fan provides low noise cooling. Backed by a ten-year warranty, RMx PSUs are the gold standard for many years to come.

Toughpower GF A3 series is 80 PLUS Gold certified and compatible with Intel’s ATX 3.0 specifications. Designed with a native PCIe Gen 5.0 connector, it can power up next-gen technology with one new 12VHPWR cable.
| Pros for Thermaltake - Toughpower GF3 1200W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black | |||
|---|---|---|---|
| There were no pros for this product— | Overall Performance, Power Capacity, Noise Level, Installation Ease | Overall Performance, Power Capacity, Noise Level, Installation Ease, Fan Control | Overall Performance, Power Capacity, Noise Level, Installation Ease, Cable Management |
| Cons for Thermaltake - Toughpower GF3 1200W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black | |||
| There were no cons for this product— | There were no cons for this product— | Coil Whine | There were no cons for this product— |
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Excellent PSU to run my new gaming pc. Thank you Best Buy go always having what I need.
This review is from Thermaltake - Toughpower GF3 1200W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black
BenjaminY Posted
Came as advertised, well packaged, and had all the cabling I needed. Haven't had any issues with it, have had it for about a year now.
This review is from Thermaltake - Toughpower GF3 1200W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black
MatthewV Posted
When i buy a new PC i always want more from the power supply. The 800 was fine, but i think the 1300 is much better so nothing has to over compensate. Or over work. The PC is so quiet i have to check if its still turned on. Always make sure your power supply is what you want.
This review is from Thermaltake - Toughpower GF3 1200W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black
TwirlBabii Posted