Thermaltake Toughpower GF3 1200W ATX 3.0 Power Supply: specs and fit

The Thermaltake Toughpower GF3 1200W (PS-TPD-1200FNFAGU-4) is a fully modular desktop power supply built to the ATX 3.0 specification. Its main feature is a native 12+4-pin connector for the newer PCIe 5.0 graphics cards, without needing an adapter. It also carries 80 PLUS Gold certification and a 10-year warranty.

What ATX 3.0 and PCIe 5.0 ready mean

ATX 3.0 is the revision of Intel's power supply design guide that added the 12VHPWR connector and better handling of short power spikes from graphics cards. Thermaltake says the unit is fully compatible with the Intel PSDG ATX 3.0 specification and is PCIe Gen 5.0 ready.

The native 12+4-pin lead can deliver up to 600W to a PCIe 5.0 graphics card, according to Thermaltake. Using one cable direct from the power supply means a card that takes this connector can plug straight in. Cards that use ordinary 8-pin power still have four PCIe 6+2-pin connectors available here.

Power and efficiency

The unit is rated at 1200W maximum output with active PFC and accepts 100 to 240V input at 50 to 60Hz. It meets 80 PLUS Gold at 115V input, an efficiency certification that means less energy is lost as heat while converting mains power. The MTBF is listed at 100,000 hours minimum, and the hold-up time is above 17 ms at full load.

For a PC with a high-end graphics card and a powerful processor, a 1200W unit leaves headroom. A typical gaming system draws far less, so work out your parts' needs first.

Fully modular, low-profile cables

Every cable detaches, so you fit only what the build needs. The cables are low-profile flat types, which are generally easier to route and bend inside the case and keep airflow clearer. Listed connectors include four PCIe 6+2-pin and one PCIe 12+4-pin.

Smart Zero fan and build

Cooling comes from a 13.5 cm fluid bearing fan. Thermaltake calls it an ultra quiet Smart Zero fan, which typically means the fan stays off at low loads and spins up when demand or temperature rises. Capacitors are described as Japanese 105°C types.

The listed protections are OCP, OVP, UVP, OPP, SCP and OTP: over-current, over-voltage, under-voltage, over-power, short-circuit and over-temperature. Safety approvals include CE, UKCA, cTUVus, TÜV, FCC, IC, BSMI, EAC, CB, BIS and KCC.

Size and operating range

The case is 150 x 86 x 180 mm and the unit weighs 1.88 kg. Operating temperature is listed as 0°C to 50°C and humidity 20% to 90%, non-condensing.

Who it suits

It suits builders of high-end desktops, especially those using, or planning to move to, a graphics card with the 12VHPWR or PCIe 5.0 power connector, and people who want fully modular cabling.

What to check before you buy

• Graphics card connector: confirm whether your card uses 12VHPWR or 8-pin leads.
• Case fit: a 180 mm depth needs space behind the power supply shroud.
• Motherboard and drive needs: count the CPU, SATA and peripheral leads required.
• Wattage: add up component requirements instead of choosing the largest unit.
• Installation: follow the manual and local electrical guidance, and seat connectors fully.

The short version

• A 1200W, 80 PLUS Gold, ATX 3.0 fully modular power supply.
• Native 12+4-pin PCIe 5.0 connector, up to 600W to the graphics card.
• Smart Zero 13.5 cm fan, flat low-profile cables, 10-year warranty.
• Protections: OCP, OVP, UVP, OPP, SCP and OTP.

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