Thermaltake ToughPower GF A3 Snow Gold 850 Watt ATX 3.1 Fully Modular SMPS

The Thermaltake Toughpower GF A3 Snow 850W is a fully modular power supply built for next-generation PC builds that demand both high performance and a clean aesthetic. Sporting an all-white Snow finish, this unit integrates seamlessly into white-themed builds without compromising on capability. At its core, the GF A3 Snow 850W carries 80 Plus Gold certification, meaning it operates at high efficiency across a wide load range, reducing wasted energy and heat inside your chassis. It is fully compatible with Intel ATX 3.1 specifications, supporting up to 200% power excursion tolerance and meeting required power supply timing standards — a critical requirement for pairing with modern CPUs and GPUs that draw transient power spikes far exceeding their rated TDP. The unit ships with a native 12+4-pin (12VHPWR) PCIe Gen 5.1 connector capable of delivering up to 450W to a single graphics card, making it a suitable foundation for NVIDIA RTX 40-series and AMD Radeon RX 7000-series flagship GPUs. Four 6+2-pin PCIe connectors are also included for cards that use legacy connectors. Cable management is simplified by the fully modular design — attach only the cables your build requires, reducing clutter and improving airflow. Noise levels are kept in check by a 120mm fluid dynamic bearing fan paired with Thermaltake's Smart Zero Fan mode, which keeps the fan completely idle until the system load exceeds 30%, ensuring near-silent operation during light tasks and gaming at moderate settings. Reliability is underpinned by a high-quality Japanese main electrolytic capacitor and an LLC resonant converter with DC-to-DC circuitry, contributing to tight voltage regulation across the +12V, +5V, and +3.3V rails. A single high-amperage +12V rail design maximises compatibility with modern hardware. Built-in industrial-grade protection features include Over Current Protection (OCP), Over Voltage Protection (OVP), Under Voltage Protection (UVP), Over Power Protection (OPP), Short Circuit Protection (SCP), and Over Temperature Protection (OTP), guarding your components against electrical faults. Verified Specifications: - Wattage: 850W - Efficiency Certification: 80 Plus Gold - Form Factor: ATX 3.1 - Modular: Fully Modular - PCIe Connector: 1 x 12+4-pin 12VHPWR (PCIe Gen 5.1), up to 450W - PCIe 6+2-pin Connectors: 4 - SATA Connectors: 4 - Peripheral (4-pin) Connectors: 8 - Fan: 120mm Fluid Dynamic Bearing with Smart Zero Fan mode (activates above 30% load) - Capacitors: Japanese main electrolytic capacitor - Rail Design: Single +12V - Circuit Design: LLC + DC-to-DC - Protections: OCP, OVP, UVP, OPP, SCP, OTP - Color: Snow White - Warranty: 10 Years