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Antec HCG1000 Gold Extreme vs Corsair RM850x: Comparison
Antec HCG1000 Gold Extreme and Corsair RM850x separate most on pcie 8-pin connectors: Antec HCG1000 Gold Extreme at 8, Corsair RM850x at 3, 63% in favour of Antec HCG1000 Gold Extreme. Wattage splits them by another 15%, again favouring Antec HCG1000 Gold Extreme. They match on 13 other specifications, including 80 plus rating, form factor and single +12v rail.
Specs
| Specification |  |  |
|---|---|---|
| Brand | Antec | Corsair |
| Wattage | 1000 W | 850 W-15% |
| 80 PLUS Rating | Gold | Gold |
| ATX Standard | ATX 2.x | ATX 3.1 |
| Form Factor | ATX | ATX |
| +12V Rail Amperage | 83 A | 70.8 A |
| Single +12V Rail | Yes | Yes |
| Cybenetics Efficiency | Platinum | Gold |
| Cybenetics Noise | A- | A |
| PCIe CEM Standard | None | PCIe 5.1 |
| 12V-2x6 Connectors | 0 | 1 |
| Zero-RPM Mode | Yes | Yes |
| Sleeved Cables | No | No |
| PCIe 8-pin Connectors | 8 | 3-62% |
| Connector Count | 1x 24-pin ATX, 2x EPS 4+4, 8x PCIe 6+2-pin, 12x SATA, 6x Molex, 1x FDD adapter | 1x 24-pin ATX, 2x EPS 4+4, 3x PCIe 6+2-pin, 1x 12V-2x6, 8x SATA, 3x Molex |
| Fan Size | 135 mm | 140 mm |
| Fan Model / Bearing | Hong Hua HA13525H12F-Z, fluid dynamic bearing | 140mm fluid dynamic bearing (NR140HP) |
| OEM / Platform | Seasonic | CWT |
| Japanese Capacitors | Yes | Yes |
| EPS 8-pin Connectors | 2 | 2 |
| SATA Connectors | 12 | 8 |
| Molex Connectors | 6 | 3 |
| Length | 160 mm | 160 mm |
| Colour | Black | Black |
| Fan Bearing | Fluid Dynamic | Fluid Dynamic |
| Topology | Full-Bridge LLC + DC-DC | Half-Bridge LLC + DC-DC |
| 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 | HCG1000 Extreme | RM850x (2024, ATX 3.1) |
| Typical Price | $149.99 | $149.99 |
| Source URL | https://www.antec.com/product/power/hcg1000-extreme | https://www.corsair.com/us/en/p/psu/cp-9020270-na/rmx-series-rm850x-fully-modular-power-supply-cp-9020270-na |
Price comparison
| Retailer | Antec HCG1000 Gold Extreme | Corsair RM850x |
|---|---|---|
| Consumercarts listing | $149.99 View on Consumercarts listing | $149.99 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 HCG1000 Gold Extreme
8.3 / 10 Expert Rating
A solid 1000W Gold-rated ATX unit for an RTX 4080/4090 or RTX 5080/5090-class high-end gaming build, held back only by the usual mid-tier compromises on cabling and OEM sourcing.
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