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Antec HCG850 Gold Extreme vs Thermaltake Smart BX3 650W: Comparison
Antec HCG850 Gold Extreme and Thermaltake Smart BX3 650W separate most on pcie 8-pin connectors: Antec HCG850 Gold Extreme at 6, Thermaltake Smart BX3 650W at 2, 67% in favour of Antec HCG850 Gold Extreme. Warranty splits them by another 50%, again favouring Antec HCG850 Gold Extreme. They match on 8 other specifications, including form factor, single +12v rail and 12v-2x6 connectors. On price, Thermaltake Smart BX3 650W sits at $74.99 against $119.99 for Antec HCG850 Gold Extreme.
Specs
| Specification |  |  |
|---|---|---|
| Brand | Antec | Thermaltake |
| Wattage | 850 W | 650 W-24% |
| 80 PLUS Rating | Gold | Bronze |
| ATX Standard | ATX 2.x | ATX 3.1 |
| Form Factor | ATX | ATX |
| Single +12V Rail | Yes | Yes |
| 12V-2x6 Connectors | 0 | 0 |
| Zero-RPM Mode | Yes | Yes |
| Sleeved Cables | No | No |
| PCIe 8-pin Connectors | 6 | 2-67% |
| Connector Count | 1x 24-pin ATX, 2x EPS 4+4, 6x PCIe 6+2-pin, 10x SATA, 6x Molex, 1x FDD | 1x 24-pin ATX, 2x EPS 4+4, 2x PCIe 6+2-pin, 4x SATA, 4x Molex (all fixed) |
| Fan Size | 135 mm | 120 mm |
| Fan Model / Bearing | 135mm fluid dynamic bearing | 120mm FDB (fluid dynamic bearing) fan with Smart Zero Fan |
| EPS 8-pin Connectors | 2 | 2 |
| SATA Connectors | 10 | 4 |
| Molex Connectors | 6 | 4 |
| Cable Lengths | 24-pin 600mm, EPS 650mm, PCIe 600mm, SATA 600-750mm | 24-pin 500mm, EPS 500mm, PCIe 450mm, SATA 500mm |
| Length | 160 mm | 140 mm |
| Colour | Black | Black |
| Fan Bearing | Fluid Dynamic | Fluid Dynamic |
| Topology | Full-Bridge LLC + DC-DC | DC-DC with active PFC |
| Modularity | Fully Modular | Non-Modular |
| Protections | OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO | OCP, OVP, OPP, OTP, SCP, UVP |
| Warranty | 10 years | 5 years-50% |
| Model | HCG850 Extreme | Smart BX3 650W |
| Typical Price | $119.99 | $74.99 |
| Source URL | https://www.antec.com/product/power/hcg850-extreme | https://thermaltakeusa.com/products/smart-bx3-bronze-650w-ps-spd-0650nnfabu-3 |
Price comparison
| Retailer | Antec HCG850 Gold Extreme | Thermaltake Smart BX3 650W |
|---|---|---|
| Amazon | $119.99 View on Amazon | $74.99 View on Amazon |
| Newegg | View on Newegg | 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 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.
Thermaltake Smart BX3 650W
7.3 / 10 Expert Rating
One of the most affordable routes to a native 12V-2x6 connector, at the cost of Gold-tier efficiency and acoustics.