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Antec HCG850 Gold Extreme vs Cougar GEX X2 850: Comparison
Antec HCG850 Gold Extreme and Cougar GEX X2 850 separate most on pcie 8-pin connectors: Antec HCG850 Gold Extreme at 6, Cougar GEX X2 850 at 3, 50% in favour of Antec HCG850 Gold Extreme. Warranty splits them by another 30%, again favouring Antec HCG850 Gold Extreme. They match on 9 other specifications, including wattage, 80 plus rating and form factor. On price, Antec HCG850 Gold Extreme sits at $119.99 against $150.00 for Cougar GEX X2 850.
Specs
| Specification |  |  |
|---|---|---|
| Brand | Antec | Cougar |
| Wattage | 850 W | 850 W |
| 80 PLUS Rating | Gold | Gold |
| ATX Standard | ATX 2.x | ATX 3.0 |
| Form Factor | ATX | ATX |
| Single +12V Rail | Yes | Yes |
| PCIe CEM Standard | None | PCIe 5.0 |
| 12V-2x6 Connectors | 0 | 1 |
| Zero-RPM Mode | Yes | Yes |
| PCIe 8-pin Connectors | 6 | 3-50% |
| Connector Count | 1x 24-pin ATX, 2x EPS 4+4, 6x PCIe 6+2-pin, 10x SATA, 6x Molex, 1x FDD | 1x 24-pin (20+4) ATX, 1x EPS 8-pin (4+4), 3x PCIe 6+2-pin, 1x 12V-2x6 (12+4, rated to 450W), 10x SATA, 2x 4-pin Molex (Cougar's own product page lists 3x PCIe 6+2-pin; hwbusters' physical teardown showed 4 connectors across 2 cables -- manufacturer spec used here, discrepancy noted) |
| Fan Size | 135 mm | 120 mm |
| Fan Model / Bearing | 135mm fluid dynamic bearing | 120mm Hydro Dynamic Bearing fan, model EFH-12E12H |
| Japanese Capacitors | Yes | Yes |
| SATA Connectors | 10 | 10 |
| Molex Connectors | 6 | 2 |
| Length | 160 mm | 140 mm |
| Colour | Black | Black |
| Fan Bearing | Fluid Dynamic | Hydro |
| Topology | Full-Bridge LLC + DC-DC | Not independently disclosed in available lab reviews as of September 2026 |
| Modularity | Fully Modular | Fully Modular |
| Protections | OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO | OCP, OVP, SCP, OTP, OPP, UVP |
| Warranty | 10 years | 7 years-30% |
| Model | HCG850 Extreme | GEX X2 850 |
| Typical Price | $119.99 | $150 |
| Source URL | https://www.antec.com/product/power/hcg850-extreme | https://cougargaming.com/products/psus/gex-x2-850/ |
Price comparison
| Retailer | Antec HCG850 Gold Extreme | Cougar GEX X2 850 |
|---|---|---|
| Amazon | $119.99 View on Amazon | |
| Newegg | View on Newegg | |
| Consumercarts listing | $150.00 View on Consumercarts listing |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
Antec HCG850 Gold Extreme
8.1 / 10 Expert Rating
A well-priced step below the HCG1000 with the same ATX 3.0 platform and 10-year warranty, right for RTX 4080-class builds.
Cougar GEX X2 850
7.6 / 10 Expert Rating
A Gold-badged PSU that tests like a Platinum/A+ unit in the one independent lab report we found.