SilverStone SX800-LTI PSU Review

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5 Comments

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.

MORE: Best Power Supplies

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SilverStone SX800-LTI
$175Amazon

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Summary
  1. Features & Specifications
  2. Packaging, Contents, Exterior & Cabling
  3. Teardown & Component Analysis
  4. Load Regulation, Hold-Up Time & Inrush Current
  5. Efficiency, Temperature & Noise
  6. Protection Features
  7. Cross-Load Tests & Infrared Images
  8. Transient Response Tests
  9. Ripple Measurements
  10. EMC Pre-Compliance Testing
  11. Performance, Value, Noise & Efficiency
  12. Final Analysis
About the author
Aris Mpitziopoulos

Aris Mpitziopoulos is a Contributing Editor at Tom's Hardware US, covering PSUs.

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  • shrapnel_indie
    I know a guy that used to work for SLM at one time in his life. On one of the products for the company brands owned, he could mod it (it was a musical instrument amplifier) for just a couple of pennies and could have saved the company large sums of money on warranty work and improve reliability. He proposed the change, and it was denied because it broke the price-point, and warranties would cover any issues anyway.

    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.
  • Aris_Mp
    The thing I appreciate in SilverStone is that they didn't follow the marketing war in the warranty periods. For me it is really weird to see 10-12 years warranty in PSUs. Now with the mining craziness many companies are trying to find ways to get out of this.
  • seanwilson5274
    why did an ad leading to this article popped up automatically on my windows 10 screen? I don't like being spammed, and even less so, when it comes in as sneaky as this.
  • derekullo
    It is Tom's way of encouraging you to block ads.

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    Any of those 3 can make Toms ad free.
  • SilverStone Guy
    Anonymous said:
    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.


    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.
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