Super Flower Leadex III Gold UP
A well-specified Gold unit with a 10-year warranty, though it hasn't had a full lab test yet.
- Efficiency
- 80+ Gold
- Modular
- Full
- Standard
- ATX 3
- Form factor
- ATX
- Outputs
- 650 / 1000W
The verdict
Super Flower builds power supplies for other brands as well as its own, and the Leadex III line has a strong reputation. This is the ATX 3.1 version with the 12V-2x6 connector, in 650W and 1000W on my list.
So far I can only find hands-on reviews rather than full lab tests. Both found it quiet, with fan modes that keep it silent at lighter loads, and both like the 10-year warranty. Super Flower says it uses Japanese capacitors throughout.
It's a solid choice on paper. Until a full lab review lands, I'd lean towards units with more test data at the same price.
Super Flower Leadex III Gold UP reviews
There's no full lab review of this unit yet. Two hands-on reviews found it quiet and well specified, with a 10-year warranty.
Both labs agree
- Quiet, with fan modes that keep it silent at lighter loads. VortezFunkyKit
- Fully modular and ATX 3.1, with a 10-year warranty. VortezFunkyKit
Also worth knowing
- Tight 12V regulation in Vortez’s testing. Vortez
- Super Flower says it uses 100% Japanese capacitors, and it carries Cybenetics Platinum efficiency. FunkyKit
an ideal PSU for builders today looking to adopt the 12V-2x6 standardLeadex III Gold UP ATX 3.1 850W (hands-on test)FunkyKitDecember 2025
It should be more than enough to satisfy most users, including gamers, content creators and high-end users.Leadex III Gold UP ATX 3.1 1000W (hands-on test)
Both are hands-on reviews without full lab measurements, so they carry less weight. Vortez tested the 850W model, FunkyKit the 1000W.
Pick your output
- 650WMid-range builds, up to an RTX 5070 class card.Check 650W price
- 1000WThe most power-hungry cards, RTX 5090 class.Check 1000W price
Sizes assume a typical processor. Check your build in the wattage guide.
Other Tier A at 1000W
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Specs
| Tier on my list | A · High-end builds |
|---|---|
| Wattages | 650W, 1000W |
| Efficiency | 80 Plus Gold |
| Modular | Fully modular |
| Standard | ATX 3 |
| Size | ATX |
| Released | 2024 |
Super Flower Leadex III Gold UP questions
What does the ECO switch do?
It changes the fan mode so the fan stays off or slow at lighter loads, for quieter running.
Which Super Flower Leadex III Gold UP wattage should I get?
It comes in 650W, 1000W. Match it to your graphics card using the output guide above, or the calculator for your exact parts.
Is this the same as the older Leadex III Gold?
No. Vortez notes the ATX 3.1 model is a separate product from the older Leadex III Gold PCIe 5.1.