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Antec Signature 1300 Platinum vs Super Flower Leadex VII XG 850W: Comparison
Antec Signature 1300 Platinum and Super Flower Leadex VII XG 850W separate most on pcie 8-pin connectors: Antec Signature 1300 Platinum at 12, Super Flower Leadex VII XG 850W at 3, 75% in favour of Antec Signature 1300 Platinum. Wattage splits them by another 35%, again favouring Antec Signature 1300 Platinum. They match on 10 other specifications, including form factor, single +12v rail and cybenetics efficiency. On price, Super Flower Leadex VII XG 850W sits at $149.99 against $289.99 for Antec Signature 1300 Platinum.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Brand | Antec | Super Flower |
| Wattage | 1300 W | 850 W-35% |
| 80 PLUS Rating | Platinum | Gold |
| ATX Standard | ATX 2.x | ATX 3.1 |
| Form Factor | ATX | ATX |
| +12V Rail Amperage | 108 A | 70.8 A |
| Single +12V Rail | Yes | Yes |
| Cybenetics Efficiency | Platinum | Platinum |
| Cybenetics Noise | None | A |
| 12V-2x6 Connectors | 0 | 1 |
| Hold-Up Time | 21 ms-30% | 29.8 ms |
| Zero-RPM Mode | Yes | Yes |
| Sleeved Cables | Yes | No |
| Measured Avg Efficiency | 89.97 % | 90.61 % |
| PCIe 8-pin Connectors | 12 | 3-75% |
| Measured Average Noise | 47.79 dBA | 20.26 dBA |
| Connector Count | 1x 24-pin ATX, 2x EPS 4+4, 12x PCIe 6+2-pin, 14x SATA, 5x Molex, 1x FDD | 1x 24-pin ATX, 2x EPS 4+4, 1x 12V-2x6 (600W), 3x PCIe 6+2-pin, 12x SATA, 4x Molex |
| Fan Size | 135 mm | 140 mm |
| Fan Model / Bearing | Hong Hua HA13525H12F-Z, fluid dynamic bearing | 140mm fluid dynamic bearing |
| OEM / Platform | Seasonic | In-house |
| Japanese Capacitors | Yes | Yes |
| EPS 8-pin Connectors | 2 | 2 |
| SATA Connectors | 14 | 12 |
| Molex Connectors | 5 | 4 |
| Cable Lengths | ATX 600mm, EPS 650mm, PCIe 670+70mm, SATA 400+115+115+115mm and 350+150+150+150mm, Molex 450+120+120mm and 350+120mm | 24-pin 600mm, EPS 700mm, PCIe 700mm, 12V-2x6 700mm, SATA 550+120+120+120mm, Molex 550+150+150+150mm |
| Length | 170 mm | 150 mm |
| Colour | Black | Black |
| Fan Bearing | Fluid Dynamic | Fluid Dynamic |
| Topology | Full-Bridge LLC + DC-DC | Full-Bridge LLC + DC-DC |
| Modularity | Fully Modular | Fully Modular |
| Protections | OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO | OCP, OVP, OPP, SCP, OTP, UVP |
| Warranty | 10 years-17% | 12 years |
| Model | Signature Platinum 1300 | Leadex VII XG 850W |
| Typical Price | $289.99 | $149.99 |
| Source URL | https://www.antec.com/product/power/signature-platinum-1300 | https://www.cybenetics.com/evaluations/psus/2180/ |
Price comparison
| Retailer | Antec Signature 1300 Platinum | Super Flower Leadex VII XG 850W |
|---|---|---|
| Consumercarts listing | $289.99 View on Consumercarts listing | |
| Amazon | $149.99 View on Amazon | |
| 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 Signature 1300 Platinum
8.8 / 10 Expert Rating
A best-in-class 1300W Platinum-rated ATX unit for a workstation or multi-GPU build with serious headroom, held back only by its premium price.
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.
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