Antec GSK850 850W Gold: Stable, Efficient Power for Next-Gen Gaming Rigs
Antec GSK850 850W Gold: Stable, Efficient Power for Next-Gen Gaming Rigs is backordered and will ship as soon as it is back in stock.
Delivery and Shipping
Delivery and Shipping
Shipped within 3 business days
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| Manufacturer | Antec |
| Efficiency rating | 80 plus Gold |
| Modular | FULL |
| Wattage | 850W |
Payment & Security
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Unlock superior power delivery for your high-performance PC with the Antec GSK850 850W 80+ Gold PSU, engineered for gamers and builders demanding reliability. This fully modular ATX 3.1 unit provides stable 850W output, complete PCIe 5.1 compliance with a native 12V-2x6 connector for effortless RTX 40-series GPU integration. Featuring premium Japanese capacitors and PhaseWave design, it ensures minimal ripple and exceptional efficiency in demanding setups.
key features
- 850W Continuous Power - Fuels power-intensive components like RTX 40 GPUs and overclocked CPUs, supporting transient spikes up to 2x rated power for seamless 4K gaming.
- Fully Modular Design - Customizable flat cables simplify builds, enhance airflow, and reduce clutter for optimal cooling and aesthetics.
- 80+ Gold Efficiency - Up to 93% energy conversion cuts heat and electricity costs, paired with a 120mm FDB fan for whisper-quiet operation.
key specifications
| Feature | Specification |
|---|---|
| Brand | Antec |
| Model | GSK850 ATX3.1 |
| Total Power | 850W |
| Form Factor | ATX 12V 3.1 |
| Efficiency Certification | 80+ Gold (up to 93%) |
| Dimensions | 140 x 150 x 86 mm |
| Weight | 2.62 kg |
| Fan | 120mm FDB Silent Fan |
| Protection Features | OCP/OVP/UVP/SCP/OPP/OTP/SIP/NLO |
| Modular Design | Full Modular |
| Capacitors | Japanese |
| MTBF | >100,000 hours |
* Specifications may vary by region and model variant.
performance excellence
The Antec GSK850 delivers precise voltage regulation across all rails, handling up to 70.8A on +12V for rock-solid stability during ray-traced gaming or rendering workloads. Its PhaseWave DC-DC topology with synchronous rectification minimizes ripple under load, while Active PFC ensures efficient power factor correction for cooler, quieter performance even in extended sessions.
user experience & comfort
Equipped with a 120mm fluid dynamic bearing fan and Zero RPM mode below 40% load, it operates silently during light use and activates smoothly for heavy tasks, maintaining low temps without distraction. The flat, color-coded modular cables make installation intuitive, speeding up assembly and improving cable management in any chassis for a professional finish.
design & build quality
Crafted with high-quality Japanese electrolytic capacitors and a robust steel chassis, the GSK850 passes stringent durability tests for twice the lifespan of standard PSUs. Its standard ATX footprint fits most cases effortlessly, with universal 100-240V input and inrush protection for global reliability, including stable 220V operation in regions like Egypt.
connectivity & compatibility
- 24/20+4-pin ATX Motherboard (610mm) – Powers ATX boards with essential stability.
- 8/4+4-pin EPS CPU (x2, 650mm) – Dual connectors for robust CPU power in overclocked systems.
- PCIe 16/12+4-pin 12V-2x6 (675mm) – Native 600W support for PCIe 5.1 GPUs like RTX 40-series.
- PCIe 8/6+2-pin (x4, 675mm) – Compatible with Gen 4 and earlier graphics cards.
- SATA (x8, daisy-chain) & Peripheral (x4, daisy-chain) – Sufficient for multiple drives and peripherals.
perfect for
- Gaming Enthusiast Builds – Ideal for mid-to-high-end rigs with RTX 40 GPUs, delivering headroom for DLSS and high-refresh displays without compromise.
- Content Creation Workstations – Handles intensive editing and rendering with low-ripple power, ensuring crash-free operation in professional workflows.
- Overclocked Systems – CircuitShield protections safeguard components during extreme voltages, perfect for enthusiasts pushing limits safely.
why choose this product
Opt for the Antec GSK850 when seeking a PSU that merges ATX 3.1 innovation with PhaseWave efficiency, outperforming rivals in ripple control and transient response. It future-proofs your setup for PCIe 5.1 tech while offering an unmatched 7-year warranty, combining value, silence, and durability for long-term savings and peace of mind.
frequently asked questions
Q: Does the Antec GSK850 support PCIe 5.1 GPUs like the RTX 40-series?
A: Yes, it features a native 16-pin 12V-2x6 connector delivering up to 600W, fully compliant with ATX 3.1 and PCIe 5.1 for direct, adapter-free connection to NVIDIA RTX 40-series cards.
Q: What voltage range does this PSU handle for global compatibility?
A: With a universal 100-240V AC input and Active PFC, it auto-adjusts seamlessly, including for 220V in Egypt, with inrush current limiting for safe, flicker-free operation worldwide.
