SilverStone SX800-LTI PSU Review
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Page 1:Features & Specifications
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Page 2:Packaging, Contents, Exterior & Cabling
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Page 3:Teardown & Component Analysis
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Page 4:Load Regulation, Hold-Up Time & Inrush Current
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Page 5:Efficiency, Temperature & Noise
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Page 6:Protection Features
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Page 7:Cross-Load Tests & Infrared Images
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Page 8:Transient Response Tests
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Page 9:Ripple Measurements
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Page 10:EMC Pre-Compliance Testing
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Page 11:Performance, Value, Noise & Efficiency
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Page 12:Final Analysis
Cross-Load Tests & Infrared Images
Our cross-load tests are described in detail here.
To generate the following charts, we set our loaders to auto mode through our custom-made software before trying more than 25,000 possible load combinations with the +12V, 5V and 3.3V rails. The load regulation deviations in each of the charts below were calculated by taking the nominal values of the rails (12V, 5V and 3.3V) as point zero. The ambient temperature was between at 30°C (86°F) to 32°C (89.6°F).
Load Regulation Charts
- CL_12V
- CL_5V
- CL_33V
Efficiency Chart
The is a highly efficient PSU, as evidenced from the graph above. For a very large region, efficiency lands within the 92-94% range, even with full load on the minor rails.
Ripple Charts
- CL_ripple_12V1
- CL_ripple_5V
- CL_ripple_33V
- CL_ripple_5VSB
Infrared Images
We applied half-load for 10 minutes with the PSU's top cover, along with its cooling fan, removed before taking photos with our modified FLIR E4 camera that delivers 320x240 IR resolution (76,800 pixels).
- FLIR0650
- FLIR0651
- FLIR0653
- FLIR0655
- FLIR0657
- FLIR0658
- FLIR0661
- FLIR0664
High efficiency levels allow for low temperatures inside the PSU.
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- Features & Specifications
- Packaging, Contents, Exterior & Cabling
- Teardown & Component Analysis
- Load Regulation, Hold-Up Time & Inrush Current
- Efficiency, Temperature & Noise
- Protection Features
- Cross-Load Tests & Infrared Images
- Transient Response Tests
- Ripple Measurements
- EMC Pre-Compliance Testing
- Performance, Value, Noise & Efficiency
- Final Analysis
When bean-counters run the show, products will suffer, just so the price-point isn't exceeded and (now days particularly, immediate) profits are maximized. Makes me wonder if Silverstone listened to their bean-counters a little too much.
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If bean-counters had their way, a PSU like this would have never been released in the first place! It's a very niche product that will not sell in significant quantities. Implementing sleeve bearing fan was not a cost-cutting move, it was out of necessity to keep the PSU noise low for the intended applications. At the time of development, FDB version of this fan was not yet available to us.