Thermaltake
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Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power Supply (PCI-E 5.1/ATX 3.1 Standard); 600W 12V-2x6 Connector Included; Full Modular; 90mm FDB Fan; ; PS-STP-1000FNFAPU-1
Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power Supply (PCI-E 5.1/ATX 3.1 Standard); 600W 12V-2x6 Connector Included; Full Modular; 90mm FDB Fan; ; PS-STP-1000FNFAPU-1
Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power Supply (PCI-E 5.1/ATX 3.1 Standard); 600W 12V-2x6 Connector Included; Full Modular; 90mm FDB Fan; ; PS-STP-1000FNFAPU-1
Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power Supply (PCI-E 5.1/ATX 3.1 Standard); 600W 12V-2x6 Connector Included; Full Modular; 90mm FDB Fan; ; PS-STP-1000FNFAPU-1
Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power Supply (PCI-E 5.1/ATX 3.1 Standard); 600W 12V-2x6 Connector Included; Full Modular; 90mm FDB Fan; ; PS-STP-1000FNFAPU-1
Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power Supply (PCI-E 5.1/ATX 3.1 Standard); 600W 12V-2x6 Connector Included; Full Modular; 90mm FDB Fan; ; PS-STP-1000FNFAPU-1
Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power Supply (PCI-E 5.1/ATX 3.1 Standard); 600W 12V-2x6 Connector Included; Full Modular; 90mm FDB Fan; ; PS-STP-1000FNFAPU-1
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Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power Supply (PCI-E 5.1/ATX 3.1 Standard); 600W 12V-2x6 Connector Included; Full Modular; 90mm FDB Fan; ; PS-STP-1000FNFAPU-1
Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power Supply (PCI-E 5.1/ATX 3.1 Standard); 600W 12V-2x6 Connector Included; Full Modular; 90mm FDB Fan; ; PS-STP-1000FNFAPU-1
Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power Supply (PCI-E 5.1/ATX 3.1 Standard); 600W 12V-2x6 Connector Included; Full Modular; 90mm FDB Fan; ; PS-STP-1000FNFAPU-1
Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power Supply (PCI-E 5.1/ATX 3.1 Standard); 600W 12V-2x6 Connector Included; Full Modular; 90mm FDB Fan; ; PS-STP-1000FNFAPU-1
Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power Supply (PCI-E 5.1/ATX 3.1 Standard); 600W 12V-2x6 Connector Included; Full Modular; 90mm FDB Fan; ; PS-STP-1000FNFAPU-1
Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power Supply (PCI-E 5.1/ATX 3.1 Standard); 600W 12V-2x6 Connector Included; Full Modular; 90mm FDB Fan; ; PS-STP-1000FNFAPU-1
Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power Supply (PCI-E 5.1/ATX 3.1 Standard); 600W 12V-2x6 Connector Included; Full Modular; 90mm FDB Fan; ; PS-STP-1000FNFAPU-1
A golden choice for your next system, delivering stable power with 80 Plus Gold Efficiency.
Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power Supply (PCI-E 5.1/ATX 3.1 Standard); 600W 12V-2x6 Connector Included; Full Modular; 90mm FDB Fan; ; PS-STP-1000FNFAPU-1
Item #: 251307756

Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power Supply (PCI-E 5.1/ATX 3.1 Standard); 600W 12V-2x6 Connector Included; Full Modular;

81% of respondents would recommend this to a friend

Item #: 251307756

GBP 444

Price Details

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What Stands Out

High Efficiency
Certified 80+ Gold, ensuring over 90% energy efficiency, reducing electricity costs while providing stable power for demanding systems.
Full Modularity
Allows for customized cable management, minimizing clutter and promoting improved airflow, making system builds cleaner and more efficient.
Advanced Connectivity
Includes PCIe Gen.5 12VHPWR connector for next-gen GPUs, ensuring readiness for high-performance configurations and maximizing gaming or workstation capabilities.

Product Details

Shop Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power Supply (PCI-E 5.1/ATX 3.1 Standard); 600W 12V-2x6 Connector Included; Full Modular; 90mm FDB Fan; ; PS-STP-1000FNFAPU-1 online at a best price in Guernsey. B0D28HRHSG
Compatible DevicesPC
Connector Type Used on CableATX
Output Wattage1000
Form FactorSFX
Wattage1000 watts
Cooling MethodAir
Power Supply DesignFull Modular
Number of Fans1
Fan Size9 centimeters
Maximum Input Voltage240 volts_of_alternating_current
Minimum Input Voltage115 volts
System Bus Connector TypeATX
Item Dimensions4.05 x 4.9 x 2.5 inches (10.3 x 12.4 x 6.4 cm)
Item Weight3 pounds (1.36 kg)
Model NameToughpower SFX 1000W
BrandThermaltake
Number of Items1
Unit Count1 Count
ManufacturerThermaltake
UPC841163093658
Model NumberPS-STP-1000FNFAPU-1
Mfr Part NumberPS-STP-1000FNFAPU-1
EU Spare Part Availability Duration7 years
Connector TypeATX
Item dimensions L x W x H4.05 x 4.9 x 2.5 inches (10.3 x 12.4 x 6.4 cm)

Who Should Buy?

Suitable For
  • Gaming Enthusiasts

    Ideal for high-performance gaming rigs requiring robust power supply with premium efficiency and stability.

  • Overclockers

    Designed for users who push their hardware limits needing reliable and consistent power delivery.

  • Workstation Users

    Perfect for professionals using demanding applications that require high wattage and multiple GPU support.

Not Suitable For
  • Casual Users

    Not suitable for low-power systems or basic users who do not require high wattage capabilities.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What makes the Thermaltake Toughpower GF3 1200W a good choice for my gaming PC?

    Answer: The Thermaltake Toughpower GF3 1200W is an excellent choice for gamers due to its high power capacity and 80 Plus Gold certification, ensuring energy efficiency. Its ATX 3.1 compatibility and native PCIe 5.1 connectors allow for future-proofing your system, accommodating high-performance components without compatibility issues. The Japanese main capacitors enhance durability and reliability, making it suitable for extended usage in demanding gaming scenarios.
  • Question: How does the 135mm fan in the Toughpower GF3 enhance performance?

    Answer: The 135mm fan in the Toughpower GF3 is designed for optimal airflow and cooling efficiency, which is crucial in high-performance settings like gaming or heavy computations. It operates quietly, reducing noise levels compared to smaller fans, and ensures that the PSU runs cool even under load. This is particularly beneficial when you push your system to its limits, as it helps maintain thermal stability and prolongs the lifespan of the components.
  • Question: Are the flat cables in the Toughpower GF3 1200W worth it?

    Answer: Yes, the flat cables of the Toughpower GF3 1200W are designed for better cable management, allowing for a cleaner build in your PC case. They offer improved airflow within the case and make it easier to install components without clutter. This is especially valuable in systems with limited space, as it not only enhances aesthetics but also aids in thermal performance by minimizing airflow obstruction.
  • Question: What is the significance of having Japanese main capacitors?

    Answer: Japanese main capacitors are known for their reliability and high-quality performance. They endure high temperatures and have a longer lifespan compared to standard capacitors. This added durability is crucial in high-performance power supplies like the Toughpower GF3, as it contributes to stable output and enhances the overall reliability of your gaming or work rig. It ensures that you get consistent power delivery even during intense usage.
  • Question: Can the Toughpower GF3 1200W support multiple GPUs?

    Answer: Absolutely! The Toughpower GF3 1200W comes with dual native PCIe 5.1 connectors, making it suitable for multi-GPU configurations needed by gamers and creative professionals. It can easily handle the power demands of multiple graphics cards, ensuring stable performance across various applications. This is particularly advantageous in demanding scenarios such as 4K gaming, video editing, or 3D rendering.
  • Question: What does ATX 3.1 compatibility mean for this PSU?

    Answer: ATX 3.1 compatibility signifies that the Toughpower GF3 1200W adheres to the latest standards for power supply units, which includes enhanced connectors and signaling standards for greater efficiency and reliability. This ensures better integration with modern motherboards and components, offering improved power distribution and system performance overall. It's an essential feature for users looking to build cutting-edge systems.
  • Question: How can I ensure my system runs efficiently with this power supply?

    Answer: To ensure efficiency with the Toughpower GF3 1200W, maintain proper airflow in your PC case, keep cables organized, and utilize the PSU's efficiency features by not overloading individual rails. The 80 Plus Gold certification indicates that it will operate efficiently, converting a significant amount of AC power into usable DC power. Pairing it with quality components that match your PSU's ratings can help you maximize its performance.
  • Question: Is the Toughpower GF3 1200W suitable for overclocking?

    Answer: Yes, the Toughpower GF3 1200W is well-suited for overclocking due to its robust design and excellent power delivery. With sufficient wattage and stable current outputs, it empowers users to push their CPUs and GPUs beyond stock speeds. This capability is crucial for gamers and enthusiasts looking to extract maximum performance from their hardware, providing the necessary headroom for demanding applications.
  • Question: What types of systems can benefit from the Toughpower GF3 1200W?

    Answer: The Toughpower GF3 1200W is ideal for high-performance gaming PCs, workstations for content creation, and systems intended for heavy computational tasks. Its high wattage, efficiency, and modern connector options make it versatile for various user needs, providing robust power for both gaming and professional applications. Whether you're a gamer or a professional, this PSU ensures your system remains stable under heavy loads.
  • Question: Where can I buy the Thermaltake Toughpower GF3 1200W in Guernsey?

    Answer: You can purchase the Thermaltake Toughpower GF3 1200W from Ubuy in Guernsey. Ubuy offers a user-friendly shopping experience with a wide selection of electronic components, including this high-performance power supply. You’ll find competitive options and promotions available, ensuring you can make a strategic purchase for your build. Explore Ubuy’s platform for more details on availability.

Thermaltake Internal Power Supplies PS-STP-1000FNFAPU-1 Editorial Review

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Thermaltake Toughpower SFX 850W 80Plus Platinum ATX 3.1 Standard Power Supply delivers robust performance with its full modular design and ultra-quiet 90mm fan, ensuring a great cooling solution for gaming rigs. Its compatibility with PCIe 5.0 and ATX 3.0 allows users to upgrade seamlessly, supporting power-hungry components like the latest GPUs. Users have praised its efficiency and low noise levels, noting that the fan remains almost silent under load. However, some feedback highlights that the cables can be a bit stiff, which might affect installation for some builds.

Customer Reviews & Ratings

245 customers ratings
  • 5 Star
    67%
  • 4 Star
    8%
  • 3 Star
    8%
  • 2 Star
    4%
  • 1 Star
    13%

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Pros

  • Fully modular design for easy cable management
  • Silent operation, producing minimal noise
  • Compatible with high-end gaming components
  • Solid build quality with a long warranty
  • Efficient power delivery with Platinum rating

Cons

  • Cables can be a bit stiff, needing extra care during installation

Platform Trust & Buyer Confidence

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4.2/5 9477 reviews
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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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Anke
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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Hazel
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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Opaleye
Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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Adele
Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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GBP 444

Order now and get it around Friday, October 09

QTY:

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Fastest cross-border delivery

Features & Benefits

  • Stable power delivery with 80 Plus Gold Efficiency.
  • Compact size designed to fit modern setups.
  • Includes native 12V-2x6 connectors for high GPU power demands.
  • Features advanced protections (OCP, OVP, UVP, OPP, OTP, SCP) for safety.
  • Equipped with a stylish and efficient Future Dusk 135mm fan.
  • Full modular cable set with flat cables for better flexibility in routing.

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