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Thermaltake GF1 Fully Modular ATX 750W Power Supply

PSU • Thermaltake • $ 84.99

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Overview

The Thermaltake GF1 Fully Modular ATX 750W Power Supply delivers reliable, efficient power for high-performance gaming rigs and workstations. With 80 PLUS Gold certification (up to 92% efficiency at 220VAC), this PSU ensures lower energy consumption and reduced heat output, making it an eco-friendly choice for demanding builds.

Key Features

Fully Modular Design: Install only the cables you need for a clean, clutter-free build and improved airflow.
Single +12V Rail: Provides stable and consistent power delivery to the most demanding components, including high-end GPUs and CPUs.
Smart Zero Fan: The 140mm hydraulic bearing fan operates in fanless mode under low loads, ensuring silent operation during everyday tasks and light gaming. When needed, it automatically spins up for optimal cooling.
Comprehensive Protection: OVP, UVP, OPP, OCP, OTP, and SCP safeguards protect your valuable hardware from electrical anomalies.
Premium Components: Built with high-quality Japanese capacitors and a robust +12V rail design for long-term reliability.

Performance and Efficiency

With 750 watts of continuous power on a single +12V rail, the GF1 can easily handle multi-GPU setups, overclocked CPUs, and power-hungry peripherals. The 80 PLUS Gold efficiency rating means less wasted energy and lower electricity bills, while the fully modular cabling system simplifies installation and improves case airflow.

Who Is It For?

This power supply is ideal for gamers building a high-end PC, content creators running powerful workstations, or anyone upgrading their system with a reliable, future-proof PSU. Its compact ATX form factor (150×140×86mm) fits most mid-tower cases, and the included cable set covers all standard connections: 24-pin ATX, 8-pin EPS12V, 6+2-pin PCIe, SATA, and Molex.

Use Cases

Gaming PCs with RTX 4070 Ti or similar GPUs
Overclocked Intel Core i7/i9 or AMD Ryzen 7/9 processors
Workstations for video editing, 3D rendering, or AI workloads
Silent builds where fan noise is a concern

Backed by Thermaltake's reputation for quality and a 10-year warranty, the GF1 750W is a smart investment for any serious PC builder.

Key Specifications

Connector Type: ATX12V / EPS12V (fully modular)

Output Wattage: 750 Watts continuous (single +12 V rail)

Form Factor: ATX (150 × 140 × 86 mm)

Wattage: 750 W

Cooling Method: Air‑cooled, 140 mm hydraulic bearing fan with Smart Zero Fan (fanless / silent / cooling mode)

Design: Full Modular

Protections: OVP, UVP, OPP, OCP, OTP, SCP

Efficiency: 80 PLUS Gold certified (≈ 90 % @115 VAC / ≈ 92 % @220 VAC)

Cable Set: 1X 24‑pin ATX motherboard 1X 8‑pin EPS12V (4+4) CPU connector 2X 6+2‑pin PCIe 6X SATA 3X Four‑Pin Peripheral (Molex) 1X Floppy‑drive adapter

Detailed Parameters

Rated Power Output in Watts:: 750
Form Factor:: ATX, EPS

Where to Buy

Amazon

Pros

80 PLUS Gold efficiency for lower power bills
Fully modular cables for clean builds
Smart Zero Fan mode for silent operation
Single +12V rail provides stable power
Comprehensive protection suite

Cons

Not ATX 3.0 / PCIe 5.0 ready (no 12VHPWR connector)
Cables are not individually sleeved
Fanless mode only under low loads

Frequently Asked Questions

Is the Thermaltake GF1 750W compatible with ATX 3.0 GPUs?

No, the GF1 750W does not have the native 12VHPWR connector required for ATX 3.0 GPUs. However, you can use the included 6+2-pin PCIe cables with an adapter for most graphics cards.

Does the Smart Zero Fan feature work automatically?

Yes, the fan remains off under low loads (below ~30% load) and spins up gradually as needed. You can also switch to a constant-on mode via the included button for enhanced cooling.

What is the warranty period for this PSU?

Thermaltake offers a 10-year warranty on the GF1 series, covering defects in materials and workmanship.

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