Antec HCG850 Gold Extreme
Expert rating8.1 / 10
- Wattage:
- 850 W
- 80 PLUS Rating:
- Gold
- Modularity:
- Fully Modular
- ATX Standard:
- ATX 2.x
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Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Manufacturer: Antec Last updated: 2026-09-12
Where to buy
- AmazonGo to store
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Antec HCG850 Gold Extreme (850W/80+ Gold/Fully Modular/ATX 3.0/High-End Tier) Review
Wanting a step down from the Antec HCG1000 Gold Extreme already in this catalog, the Antec HCG850 Gold Extreme brings the same ATX 3.0 platform and 10-year warranty to a more common 850W tier.
We think this is a strong pick for RTX 4080-class builds: native 12V-2x6, Zero RPM mode, and the same 10-year warranty as Antec's higher-wattage units, at a lower price than stepping up to 1000W you don't need.
Shared Platform, Lower Wattage
The HCG850 uses the same CWT-built ATX 3.0 platform as the HCG1000, just tuned for a lower wattage ceiling, which keeps efficiency and transient handling consistent across the HCG Extreme line.
Comparison to Alternatives
Against the Antec HCG1000 Gold Extreme already in the catalog, the HCG850 drops 150W of headroom to hit a lower price on the identical platform and warranty terms. Against the Cooler Master GX III 750, the HCG850 offers 100W more headroom at a similar native-12V-2x6 spec and matching 10-year warranty.
Specifications
Identity
| Brand | Antec |
|---|---|
| Model Number | HCG850 Extreme |
Output and rails
| Single +12V Rail | Yes |
|---|
Standards and compliance
| PCIe CEM Standard | None |
|---|
GPU power delivery
| 12VHPWR Connectors | 0 |
|---|
Connector inventory
| EPS 8-pin Connectors | 2 |
|---|---|
| SATA Connectors | 10 |
| Molex Connectors | 6 |
Form factor and fit
| Length | 160 mm |
|---|---|
| Colour | Black |
Cooling
| Fan Bearing | Fluid Dynamic |
|---|
Build quality
| Topology | Full-Bridge LLC + DC-DC |
|---|
Cables
| Modularity | Fully Modular |
|---|
Monitoring, protection and price
| Protections | OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO |
|---|---|
| Price | 119.99 USD |
| Warranty | 10 years |
| Wattage | 850 W |
|---|---|
| 80 PLUS Rating | Gold |
| ATX Standard | ATX 2.x |
| Form Factor | ATX |
| 12V-2x6 Connectors | 0 |
| Zero-RPM Mode | Yes |
| Sleeved Cables | No |
| PCIe 8-pin Connectors | 6 |
| Connector Count | 1x 24-pin ATX, 2x EPS 4+4, 6x PCIe 6+2-pin, 10x SATA, 6x Molex, 1x FDD |
| Fan Size | 135 mm |
| Fan Model / Bearing | 135mm fluid dynamic bearing |
| Japanese Capacitors | Yes |
| Cable Lengths | 24-pin 600mm, EPS 650mm, PCIe 600mm, SATA 600-750mm |
| Source URL | https://www.antec.com/product/power/hcg850-extreme |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Expert rating8.1 / 10
A well-priced step below the HCG1000 with the same ATX 3.0 platform and 10-year warranty, right for RTX 4080-class builds.
Best for
- RTX 4080-class single-GPU builds
- Buyers wanting a 10-year warranty at 850W
- Native ATX 3.0/12V-2x6 requirements
Not for
- Multi-GPU or extreme workstation loads
- SFF builds needing SFX
- Buyers wanting sleeved cables stock
FAQs
What are the key specifications of the Antec HCG850 Gold Extreme (850W/80+ Gold/Fully Modular/ATX 3.0/High-End Tier)?
The Antec HCG850 Gold Extreme (850W/80+ Gold/Fully Modular/ATX 3.0/High-End Tier) is a power supply from Antec. Key specs: Wattage 850 W, 80 PLUS Rating Gold, Cybenetics Efficiency Gold, Cybenetics Noise A-, Modularity Fully Modular.
Will the Antec HCG850 Gold Extreme (850W/80+ Gold/Fully Modular/ATX 3.0/High-End Tier) work with my current setup?
The Antec HCG850 Gold Extreme (850W/80+ Gold/Fully Modular/ATX 3.0/High-End Tier) lists Wattage is 850 W. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.
Who is the Antec HCG850 Gold Extreme (850W/80+ Gold/Fully Modular/ATX 3.0/High-End Tier) best suited to?
It suits rtx 4080-class single-gpu builds, buyers wanting a 10-year warranty at 850w, native atx 3.0/12v-2x6 requirements.
What are the drawbacks of the Antec HCG850 Gold Extreme (850W/80+ Gold/Fully Modular/ATX 3.0/High-End Tier)?
It is a poor fit for multi-gpu or extreme workstation loads, sff builds needing sfx, buyers wanting sleeved cables stock.
Compare and read more
- Antec HCG850 Gold Extreme (850W/80+ Gold/Fully Modular/ATX 3.0/High-End Tier) vs Cooler Master GX III 750 (750W/80+ Gold/Fully Modular/ATX 3.1/Mainstream Gaming Tier)
- Antec HCG850 Gold Extreme (850W/80+ Gold/Fully Modular/ATX 3.0/High-End Tier) vs Corsair RM750e (750W/80+ Gold/Fully Modular/ATX 3.1/Zero RPM/2025 Revision CP-9020295-NA)
- Antec HCG850 Gold Extreme (850W/80+ Gold/Fully Modular/ATX 3.0/High-End Tier) vs EVGA SuperNOVA 750 GA (750W/80+ Gold/Fully Modular/ATX 2.x/Mainstream Gaming Tier)
- Antec HCG850 Gold Extreme (850W/80+ Gold/Fully Modular/ATX 3.0/High-End Tier) vs Gigabyte UD850GM PG5 (850W/80+ Gold/Fully Modular/ATX 3.1/Mainstream Gaming Tier)
- Antec HCG850 Gold Extreme (850W/80+ Gold/Fully Modular/ATX 3.0/High-End Tier) vs Montech Century 750W Gold (750W/80+ Gold/Fully Modular/ATX 3.0/Mainstream Value Pick)