
Antec GSK ATX3.1 power supply unit 850 W 20+4 pin ATX ATX White
by Antec
£103.45from 5 retailers
GTIN00761345200936
EAN0761345200936
MPN0-761345-20093-6
Prices updated 17 Mar 2026
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Product Description
850 W 100 - 240 V 50/60 Hz. Motherboard power connector: 20+4 pin ATX. PC ATX 80 PLUS Gold. Active 12 cm. White. Introducing our GSK ATX3.1 power supply, designed with the ultimate performance and stability in mind for the gaming and enthusiast market. With advanced features like ATX 3.1, PCIe 5.1, high-quality JP capacitors, unparalleled stability, and 80 PLUS® Gold-certified efficiencies, you can expect brilliant performance from your system. The PhaseWave™ Design ensures steady power output, while the 120mm FDB Silent Fan offers quiet cooling. The power supply is also 100% modular, allowing for easy cable management and customization. The Zero RPM Manager enables advanced thermal control, ensuring the optimal balance between silent operation and efficient cooling. The CircuitShield™ suite of industrial-grade protections provides safe and reliable power delivery in any environment. The GSK ATX3.1 is the perfect choice for building a reliable and efficient PC system for gamers and professionals alike.. ATX 3.1 & PCIe 5.1 Compatible. Our new GSK ATX3.1 power supplies are formally certified for ATX 3.1 compliance, meeting the high standards for reliability and power efficiency, and ensuring the utmost level of quality and performance. The included PCIe 5.1 12V-2x6 GPU cable enables seamless compatibility with the latest graphics cards, such as the NVIDIA® GeForce RTX™ 40 Series.. High-Quality JP Capacitors. Equipped with high-quality JP capacitors, our power supplies achieve unprecedented tight voltage regulation and minimal ripple and noise, maximizing your system's performance.. PhaseWavetm Design. Introducing our PhaseWavetm Design, a server-class LLC design featuring synchronous rectification based on a DC-DC topology. This design ensures unparalleled power delivery efficiency and stability for your system.. CircuitShieldTM. The full suite of industrial-grade protections includes OCP, OVP, UVP, SCP, OPP, OTP, SIP, and NLO, ensuring the safety and reliability of your power supply in any situation.. 120mm FDB Silent Fan. The whisper-quiet, 120mm fluid-dynamic bearing (FDB) fan provides high airflow with the durability and longevity that is a signature of Antec quality.. Zero RPM Manager. With the Zero RPM fan mode, our PSU ensures a longer lifespan and quieter o peration. The thermal sensors activate the fan only when necessary, providing optimal cooling while minimizing noise levels.. Full Modular Cable Management. Allows users to use only the necessary cables and eliminates excess cables that can obstruct and reduce airflow for improved cooling performance.. Compact Size. Compared to large power supplies on the market, it is smaller in size and can be used with a wider range of computer cases.. Power. Power protection features. No load operation, Over current, Over power, Over voltage, Short circuit, Surge & inrush protection (SIP), Under voltage. Max output current (+5Vsb). 3 A. Max output current (-12V). 0.3 A. Max output current (+5V). 20 A. Max output current (+12V). 70.8 A. Max output current (+3.3V). 20 A. Combined power (+5Vsb). 15 W. Combined power (-12V). 3.6 W. Combined power (+5V). 100 W. Combined power (+12V). 849.6 W. Combined power (+3.3V). 100 W. Power Factor Correction (PFC) type. Active. Input current. 10 A. AC input frequency. 50/60 Hz. AC input voltage. 100 - 240 V. Total power. 850 W. Ports & interfaces. Cabling type. Fully-Modular. ATX power connector (20+4 pin). Yes. CPU power connector (4+4 pin). Yes. PCI Express power connectors (12+4 pin) cable length. 600 mm. PCI Express power connectors (12+4 pin). 1. PCI Express power connectors (6+2 pin). 4. Peripheral (Molex) power cable length. 500,650,800,950 mm. Peripheral (Molex) power connectors (4-pin). 4. SATA power cable length. 500,650,800,950 mm. Number of SATA power connectors. 8. Motherboard power cable length. 60 cm. Motherboard power connector. 20+4 pin ATX. Performance. Silent mode. Yes. ATX version. 3.1. 80 PLUS certification. 80 PLUS Gold. Power supply unit (PSU) form factor. ATX. Purpose. PC. Design. On/off switch. Yes. Fan location. Top. Number of fans. 1 fan(s). Fan diameter. 12 cm. Cooling type. Active. Product colour. White. Operational conditions. Operating temperature (T-T). 0 - 40 °C. Certificates. Certification. cTUVus / TUV / CB / RCM / CE / FCC / BSMI / KC/ UKCA / ICES. Weight & dimensions. Weight. 2.62 kg. Height. 86 mm. Depth. 140 mm. Width. 150 mm. Packaging data. Package type. Box. Package weight. 2.84 kg. Package height. 130 mm. Package depth. 296 mm. Package width. 203 mm
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