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Antec HCG850 Gold Extreme vs Corsair AX1600i: Comparison
Antec HCG850 Gold Extreme and Corsair AX1600i separate most on wattage: Antec HCG850 Gold Extreme at 850 W, Corsair AX1600i at 1600 W, 47% in favour of Corsair AX1600i. PCIe 8-pin Connectors splits them by another 40%, again favouring Corsair AX1600i. They match on 11 other specifications, including atx standard, form factor and 12v-2x6 connectors. On price, Antec HCG850 Gold Extreme sits at $119.99 against $579.99 for Corsair AX1600i.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Brand | Antec | Corsair |
| Wattage | 850 W-47% | 1600 W |
| 80 PLUS Rating | Gold | Titanium |
| ATX Standard | ATX 2.x | ATX 2.x |
| Form Factor | ATX | ATX |
| 12V-2x6 Connectors | 0 | 0 |
| Zero-RPM Mode | Yes | Yes |
| Sleeved Cables | No | No |
| PCIe 8-pin Connectors | 6-40% | 10 |
| Connector Count | 1x 24-pin ATX, 2x EPS 4+4, 6x PCIe 6+2-pin, 10x SATA, 6x Molex, 1x FDD | 1x 24-pin ATX, 2x EPS 4+4, 10x PCIe 6+2-pin, 16x SATA, 9x Molex, 2x FDD adapter |
| Fan Size | 135 mm | 140 mm |
| Fan Model / Bearing | 135mm fluid dynamic bearing | 140mm NR140P, fluid dynamic bearing |
| Japanese Capacitors | Yes | Yes |
| EPS 8-pin Connectors | 2 | 2 |
| SATA Connectors | 10 | 16 |
| Molex Connectors | 6 | 9 |
| Cable Lengths | 24-pin 600mm, EPS 650mm, PCIe 600mm, SATA 600-750mm | 24-pin 600mm, EPS 650mm, PCIe 650mm and 680+100mm, SATA 450+110+110+110mm and 550+110mm, Molex 450+100+100mm |
| Length | 160 mm | 200 mm |
| Colour | Black | Black |
| Fan Bearing | Fluid Dynamic | Fluid Dynamic |
| Modularity | Fully Modular | Fully Modular |
| Protections | OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO | OCP, OVP, OPP, SCP, OTP, UVP |
| Warranty | 10 years | 10 years |
| Model | HCG850 Extreme | AX1600i |
| Typical Price | $119.99 | $579.99 |
| Source URL | https://www.antec.com/product/power/hcg850-extreme | https://www.corsair.com/us/en/p/psu/cp-9020087-na/ax1600i-digital-atx-power-supply-1600-watt-fully-modular-psu-cp-9020087-na |
Price comparison
| Retailer | Antec HCG850 Gold Extreme | Corsair AX1600i |
|---|---|---|
| Amazon | $119.99 View on Amazon | $579.99 View on Amazon |
| Newegg | View on Newegg | View on Newegg |
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.
Corsair AX1600i
9 / 10 Expert Rating
Still the digital-monitoring benchmark for extreme multi-GPU and workstation builds, docked slightly for lacking a native 12V-2x6 connector.




