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Antec HCG850 Gold Extreme vs Super Flower Leadex VII XG 850W: Comparison
What is the difference between Antec HCG850 Gold Extreme and Super Flower Leadex VII XG 850W?
Start with warranty, because it is the widest measured gap between them: Antec HCG850 Gold Extreme 10 years against Super Flower Leadex VII XG 850W 12 years, 17% in favour of Super Flower Leadex VII XG 850W. Add pcie 8-pin connectors to that, 6 on the Antec HCG850 Gold Extreme versus 3 on the Super Flower Leadex VII XG 850W, and the pattern holds.
Which should you buy, Antec HCG850 Gold Extreme or Super Flower Leadex VII XG 850W?
Buy the Antec HCG850 Gold Extreme for RTX 4080-class single-GPU builds and buyers wanting a 10-year warranty at 850W, though it is not built for Multi-GPU or extreme workstation loads and SFF builds needing SFX. The Super Flower Leadex VII XG 850W suits enthusiasts who research PSU platform quality closely and RTX 4080-class builds wanting native ATX 3.0, though it is the wrong buy for buyers who only shop by brand recognition and Multi-GPU workstation loads above 850W. Our rating of the Antec HCG850 Gold Extreme (8.1/10): A well-priced step below the HCG1000 with the same ATX 3.0 platform and 10-year warranty, right for RTX 4080-class builds.
What Antec HCG850 Gold Extreme and Super Flower Leadex VII XG 850W have in common
Where they agree, they agree completely, wattage, modularity, 80 plus rating, form factor and single +12v rail included, so the decision does not turn on any of those. They match on 7 further specifications as well.
Antec HCG850 Gold Extreme vs Super Flower Leadex VII XG 850W price
Cost splits them too. Antec HCG850 Gold Extreme sits at $120, Super Flower Leadex VII XG 850W at $150, 25% more.
Frequently asked questions
Do the Antec HCG850 Gold Extreme and Super Flower Leadex VII XG 850W differ on fan size?
Yes. Fan Size reads 135 mm on the Antec HCG850 Gold Extreme versus 140 mm on the Super Flower Leadex VII XG 850W.
Is the Zero-RPM Mode the same on the Antec HCG850 Gold Extreme and Super Flower Leadex VII XG 850W?
It is. Both are listed at Yes, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- Antec HCG850 Gold Extreme
- Antec
- Super Flower Leadex VII XG 850W
- Super Flower
Wattage
- Antec HCG850 Gold Extreme
- 850 W
- Super Flower Leadex VII XG 850W
- 850 W
80 PLUS Rating
- Antec HCG850 Gold Extreme
- Gold
- Super Flower Leadex VII XG 850W
- Gold
Model Number
- Antec HCG850 Gold Extreme
- HCG850 Extreme
- Super Flower Leadex VII XG 850W
- Leadex VII XG 850W
ATX Standard
- Antec HCG850 Gold Extreme
- ATX 2.x
- Super Flower Leadex VII XG 850W
- ATX 3.1
Form Factor
- Antec HCG850 Gold Extreme
- ATX
- Super Flower Leadex VII XG 850W
- ATX
Single +12V Rail
- Antec HCG850 Gold Extreme
- Yes
- Super Flower Leadex VII XG 850W
- Yes
12V-2x6 Connectors
- Antec HCG850 Gold Extreme
- 0
- Super Flower Leadex VII XG 850W
- 1
Zero-RPM Mode
- Antec HCG850 Gold Extreme
- Yes
- Super Flower Leadex VII XG 850W
- Yes
Sleeved Cables
- Antec HCG850 Gold Extreme
- No
- Super Flower Leadex VII XG 850W
- No
PCIe 8-pin Connectors
- Antec HCG850 Gold Extreme
- 6
- Super Flower Leadex VII XG 850W
- 3-50%
Connector Count
- Antec HCG850 Gold Extreme
- 1x 24-pin ATX, 2x EPS 4+4, 6x PCIe 6+2-pin, 10x SATA, 6x Molex, 1x FDD
- Super Flower Leadex VII XG 850W
- 1x 24-pin ATX, 2x EPS 4+4, 1x 12V-2x6 (600W), 3x PCIe 6+2-pin, 12x SATA, 4x Molex
Fan Size
- Antec HCG850 Gold Extreme
- 135 mm
- Super Flower Leadex VII XG 850W
- 140 mm
Fan Model / Bearing
- Antec HCG850 Gold Extreme
- 135mm fluid dynamic bearing
- Super Flower Leadex VII XG 850W
- 140mm fluid dynamic bearing
Japanese Capacitors
- Antec HCG850 Gold Extreme
- Yes
- Super Flower Leadex VII XG 850W
- Yes
EPS 8-pin Connectors
- Antec HCG850 Gold Extreme
- 2
- Super Flower Leadex VII XG 850W
- 2
SATA Connectors
- Antec HCG850 Gold Extreme
- 10
- Super Flower Leadex VII XG 850W
- 12
Molex Connectors
- Antec HCG850 Gold Extreme
- 6
- Super Flower Leadex VII XG 850W
- 4
Cable Lengths
- Antec HCG850 Gold Extreme
- 24-pin 600mm, EPS 650mm, PCIe 600mm, SATA 600-750mm
- Super Flower Leadex VII XG 850W
- 24-pin 600mm, EPS 700mm, PCIe 700mm, 12V-2x6 700mm, SATA 550+120+120+120mm, Molex 550+150+150+150mm
Length
- Antec HCG850 Gold Extreme
- 160 mm
- Super Flower Leadex VII XG 850W
- 150 mm
Colour
- Antec HCG850 Gold Extreme
- Black
- Super Flower Leadex VII XG 850W
- Black
Fan Bearing
- Antec HCG850 Gold Extreme
- Fluid Dynamic
- Super Flower Leadex VII XG 850W
- Fluid Dynamic
Topology
- Antec HCG850 Gold Extreme
- Full-Bridge LLC + DC-DC
- Super Flower Leadex VII XG 850W
- Full-Bridge LLC + DC-DC
Modularity
- Antec HCG850 Gold Extreme
- Fully Modular
- Super Flower Leadex VII XG 850W
- Fully Modular
Protections
- Antec HCG850 Gold Extreme
- OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO
- Super Flower Leadex VII XG 850W
- OCP, OVP, OPP, SCP, OTP, UVP
Price
- Antec HCG850 Gold Extreme
- 119.99 USD
- Super Flower Leadex VII XG 850W
- 149.99 USD
Warranty
- Antec HCG850 Gold Extreme
- 10 years-17%
- Super Flower Leadex VII XG 850W
- 12 yearsBest
Which one should you pick?
Choose Antec HCG850 Gold Extreme if you want the higher wattage (850 W vs 850 W) and the higher PCIe 8-pin connectors (6 vs 3).
Choose Super Flower Leadex VII XG 850W if you want the higher warranty (12 years vs 10 years).
Price comparison
| Retailer | Antec HCG850 Gold Extreme | Super Flower Leadex VII XG 850W |
|---|---|---|
| Amazon | $119.99 View on Amazon | $149.99 View on Amazon |
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.
Super Flower Leadex VII XG 850W
8.7 / 10 Expert Rating
A Gold-badged unit that tests like a Platinum one, backed by a 12-year warranty and full Japanese capacitors, our pick for enthusiasts who read the fine print.




