Consumercarts is reader-supported. Learn more
Antec HCG1000 Gold Extreme vs Cooler Master GX3 850W: Comparison
Antec HCG1000 Gold Extreme and Cooler Master GX3 850W separate most on pcie 8-pin connectors: Antec HCG1000 Gold Extreme at 8, Cooler Master GX3 850W 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. On price, Cooler Master GX3 850W sits at $109.99 against $149.99 for Antec HCG1000 Gold Extreme.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Brand | Antec | Cooler Master |
| 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 | Platinum |
| Cybenetics Noise | A- | A- |
| 12V-2x6 Connectors | 0 | 1 |
| Zero-RPM Mode | Yes | Yes |
| Sleeved Cables | No | No |
| Measured Avg Efficiency | 89.7 % | 89.61 % |
| PCIe 8-pin Connectors | 8 | 3-62% |
| Measured Average Noise | 28.31 dBA | 26.28 dBA |
| 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, 1x EPS 4+4, 1x EPS 8-pin, 1x 12V-2x6, 3x PCIe 6+2-pin, 8x SATA, 4x Molex |
| Fan Size | 135 mm | 135 mm |
| Fan Model / Bearing | Hong Hua HA13525H12F-Z, fluid dynamic bearing | 135mm (Hong Hua HA13525H12F-Z) |
| EPS 8-pin Connectors | 2 | 2 |
| SATA Connectors | 12 | 8 |
| Molex Connectors | 6 | 4 |
| Cable Lengths | ATX 550mm, EPS 650mm, PCIe 550mm and 550+100mm, SATA 400+90+90+90mm, Molex 500+100+100+100mm | 24-pin 610mm, EPS 600mm, PCIe 550mm, 12V-2x6 650mm, SATA 500+120+120+120mm, Molex 500+120+120+120mm |
| Length | 160 mm | 160 mm |
| Colour | Black | Black |
| Modularity | Fully Modular | Fully Modular |
| Protections | OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO | OPP, OVP, OTP, OCP, SCP, UVP, Surge & Inrush |
| Warranty | 10 years | 10 years |
| Model | HCG1000 Extreme | GX III Gold 850 |
| Typical Price | $149.99 | $109.99 |
| Source URL | https://www.antec.com/product/power/hcg1000-extreme | https://www.coolermaster.com/en-global/products/gx-iii-gold-850-atx-3-1.html |
Price comparison
| Retailer | Antec HCG1000 Gold Extreme | Cooler Master GX3 850W |
|---|---|---|
| Consumercarts listing | $149.99 View on Consumercarts listing | $109.99 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.
Cooler Master GX3 850W
8.3 / 10 Expert Rating
A solid 850W Gold-rated ATX unit for a popular RTX 4070 Ti / RTX 5070-class gaming build, held back only by the usual mid-tier compromises on cabling and OEM sourcing.
More comparisons in Power Supplies
- Antec HCG1000 Gold Extreme vs Corsair RM1200x SHIFT
- Antec HCG1000 Gold Extreme vs Fractal Design Ion+ 2 Platinum 760W
- Antec HCG1000 Gold Extreme vs Corsair HX1500i
- Antec HCG1000 Gold Extreme vs Super Flower Leadex VII XG 850W
- Antec HCG1000 Gold Extreme vs ASUS ROG Thor 1200W Platinum II
- Antec HCG1000 Gold Extreme vs Montech Century 750W Gold




