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Antec HCG1000 Gold Extreme vs Corsair CX650M: Comparison
Antec HCG1000 Gold Extreme vs Corsair CX650M: the wattage difference
Wattage is where these two genuinely part company, Antec HCG1000 Gold Extreme 1000 W against Corsair CX650M 650 W, a 35% lead for Antec HCG1000 Gold Extreme. Warranty runs the same way, 10 years on the Antec HCG1000 Gold Extreme versus 5 years on the Corsair CX650M, another win for Antec HCG1000 Gold Extreme. Add pcie 8-pin connectors to that, 8 on the Antec HCG1000 Gold Extreme versus 2 on the Corsair CX650M, and the pattern holds.
Antec HCG1000 Gold Extreme vs Corsair CX650M: which one fits your build
The Antec HCG1000 Gold Extreme is the one to take for anyone who wants fully modular cabling with native 12V-2x6 support and systems where a 10-year warranty and Gold-tier efficiency matter, though it is the wrong buy for builds needing more than 1000W of continuous headroom and buyers who need the smallest possible SFX/SFX-L footprint. It also earns its place with builders targeting an RTX 4080/4090 or RTX 5080/5090-class high-end gaming build. Buy the Corsair CX650M for builders targeting a mainstream single-GPU gaming build and anyone who wants semi-modular cabling with standard PCIe connectors, though it is not the pick for builds needing more than 650W of continuous headroom and buyers who need the smallest possible SFX/SFX-L footprint.
Antec HCG1000 Gold Extreme vs Corsair CX650M price
The Antec HCG1000 Gold Extreme asks 114% more, $150 against $69.99 for the Corsair CX650M.
What Antec HCG1000 Gold Extreme and Corsair CX650M have in common
The common ground is wider than the gap: atx standard, form factor, single +12v rail, 12v-2x6 connectors and sleeved cables are identical here. They match on 3 further specifications as well.
Frequently asked questions
Do the Antec HCG1000 Gold Extreme and Corsair CX650M differ on modularity?
Yes. Modularity reads Fully Modular on the Antec HCG1000 Gold Extreme versus Semi-Modular on the Corsair CX650M.
Is the Japanese Capacitors the same on the Antec HCG1000 Gold Extreme and Corsair CX650M?
It is. Both are listed at Yes, so it is not a reason to pick one over the other.
Which is cheaper, Antec HCG1000 Gold Extreme or Corsair CX650M?
The Antec HCG1000 Gold Extreme asks 114% more, $150 against $69.99 for the Corsair CX650M.
Specs and benchmarks
Brand
- Antec HCG1000 Gold Extreme
- Antec
- Corsair CX650M
- Corsair
Wattage
- Antec HCG1000 Gold Extreme
- 1000 WBest
- Corsair CX650M
- 650 W-35%
80 PLUS Rating
- Antec HCG1000 Gold Extreme
- Gold
- Corsair CX650M
- Bronze
Model Number
- Antec HCG1000 Gold Extreme
- HCG1000 Extreme
- Corsair CX650M
- CX650M
ATX Standard
- Antec HCG1000 Gold Extreme
- ATX 2.x
- Corsair CX650M
- ATX 2.x
Form Factor
- Antec HCG1000 Gold Extreme
- ATX
- Corsair CX650M
- ATX
+12V Rail Amperage
- Antec HCG1000 Gold Extreme
- 83 A
- Corsair CX650M
- 54 A
Single +12V Rail
- Antec HCG1000 Gold Extreme
- Yes
- Corsair CX650M
- Yes
Cybenetics Efficiency
- Antec HCG1000 Gold Extreme
- Platinum
- Corsair CX650M
- Silver
Cybenetics Noise
- Antec HCG1000 Gold Extreme
- A-
- Corsair CX650M
- Standard++
12V-2x6 Connectors
- Antec HCG1000 Gold Extreme
- 0
- Corsair CX650M
- 0
Zero-RPM Mode
- Antec HCG1000 Gold Extreme
- Yes
- Corsair CX650M
- No
Sleeved Cables
- Antec HCG1000 Gold Extreme
- No
- Corsair CX650M
- No
Measured Avg Efficiency
- Antec HCG1000 Gold Extreme
- 89.7 %Best
- Corsair CX650M
- 85.65 %
PCIe 8-pin Connectors
- Antec HCG1000 Gold Extreme
- 8
- Corsair CX650M
- 2-75%
Measured Average Noise
- Antec HCG1000 Gold Extreme
- 28.31 dBABest
- Corsair CX650M
- 33.39 dBA
Connector Count
- Antec HCG1000 Gold Extreme
- 1x 24-pin ATX, 2x EPS 4+4, 8x PCIe 6+2-pin, 12x SATA, 6x Molex, 1x FDD adapter
- Corsair CX650M
- 1x 24-pin ATX (fixed), 2x EPS 4+4 (1 fixed, 1 modular), 2x PCIe 6+2-pin, 6x SATA, 4x Molex
Fan Size
- Antec HCG1000 Gold Extreme
- 135 mm
- Corsair CX650M
- 120 mm
Fan Model / Bearing
- Antec HCG1000 Gold Extreme
- Hong Hua HA13525H12F-Z, fluid dynamic bearing
- Corsair CX650M
- 120mm rifle bearing (HA1225H12F-Z)
OEM / Platform
- Antec HCG1000 Gold Extreme
- Seasonic
- Corsair CX650M
- CWT
Japanese Capacitors
- Antec HCG1000 Gold Extreme
- Yes
- Corsair CX650M
- Yes
EPS 8-pin Connectors
- Antec HCG1000 Gold Extreme
- 2
- Corsair CX650M
- 2
SATA Connectors
- Antec HCG1000 Gold Extreme
- 12
- Corsair CX650M
- 6
Molex Connectors
- Antec HCG1000 Gold Extreme
- 6
- Corsair CX650M
- 4
Length
- Antec HCG1000 Gold Extreme
- 160 mm
- Corsair CX650M
- 140 mm
Colour
- Antec HCG1000 Gold Extreme
- Black
- Corsair CX650M
- Black
Fan Bearing
- Antec HCG1000 Gold Extreme
- Fluid Dynamic
- Corsair CX650M
- Rifle
Modularity
- Antec HCG1000 Gold Extreme
- Fully Modular
- Corsair CX650M
- Semi-Modular
Protections
- Antec HCG1000 Gold Extreme
- OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO
- Corsair CX650M
- OCP, OVP, OPP, SCP, OTP
Price
- Antec HCG1000 Gold Extreme
- 149.99 USD
- Corsair CX650M
- 69.99 USD
Warranty
- Antec HCG1000 Gold Extreme
- 10 yearsBest
- Corsair CX650M
- 5 years-50%
Which one should you pick?
Choose Antec HCG1000 Gold Extreme if you want the higher wattage (1000 W vs 650 W), the higher PCIe 8-pin connectors (8 vs 2) and the higher warranty (10 years vs 5 years).
Choose Corsair CX650M if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | Antec HCG1000 Gold Extreme | Corsair CX650M |
|---|---|---|
| Consumercarts listing | $149.99 View on Consumercarts listing | |
| Newegg | $69.99 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 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.
Corsair CX650M
7 / 10 Expert Rating
A solid 650W Bronze-rated ATX unit for a mainstream single-GPU gaming build, held back only by the usual mid-tier compromises on cabling and OEM sourcing.




