Super Flower Leadex Titanium 1600W Power Supply Review
Corsair's mighty AX1500i PSU must now face some stiff competition, as Super Flower's new Leadex Titanium 1600W offers even more power and efficiency.
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Ripple Measurements
To learn how we measure ripple, please click here.
The following table includes the ripple levels we measured on the SF-1600F14HT's rails. The limits are, according to the ATX specification, 120mV (+12V) and 50mV (5V, 3.3V and 5VSB).
| Ripple Measurements | |||||
|---|---|---|---|---|---|
| Test | 12V (mV) | 5V (mV) | 3.3V (mV) | 5VSB (mV) | Pass/Fail |
| 10% Load | 8.3 | 7.6 | 11.4 | 7.8 | Pass |
| 20% Load | 10.3 | 11.8 | 12.7 | 10.1 | Pass |
| 30% Load | 12.4 | 13.9 | 15.2 | 11.6 | Pass |
| 40% Load | 15.2 | 16.1 | 17.4 | 13.1 | Pass |
| 50% Load | 16.6 | 19.4 | 19.0 | 14.9 | Pass |
| 60% Load | 16.8 | 21.4 | 25.3 | 15.3 | Pass |
| 70% Load | 17.1 | 24.6 | 27.4 | 17.0 | Pass |
| 80% Load | 17.4 | 27.5 | 28.4 | 18.7 | Pass |
| 90% Load | 18.2 | 29.4 | 29.3 | 20.9 | Pass |
| 100% Load | 18.5 | 30.1 | 30.1 | 21.9 | Pass |
| 105% Load | 19.2 | 32.0 | 32.4 | 23.1 | Pass |
| Cross-Load 1 | 7.9 | 8.1 | 12.1 | 13.1 | Pass |
| Cross-Load 2 | 20.2 | 30.6 | 35.5 | 20.3 | Pass |
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Ripple suppression is excellent on the +12V rail. However, on the minor rails (5V and 3.3V), we would like to see even lower ripple. The performance of the Gold- and Platinum-rated versions of this platform made us a bit more critical in this area, since both of them registered significantly lower ripple values on the minor rails.
Ripple
The following oscilloscope screenshots illustrate the AC ripple and noise that we registered on the main rails (+12V, 5V, 3.3V and 5VSB). The bigger the fluctuations on the screen, the bigger the ripple/noise. We set 0.01V/Div (each vertical division/box equals 0.01V) as the standard for all measurements.
Ripple At Full Load
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Ripple At 110-Percent Load
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Ripple At Cross-Load 1
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Ripple At Cross-Load 2
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Aris Mpitziopoulos is a contributing editor at Tom's Hardware, covering PSUs.