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SilverStone has a huge portfolio of SFX and SFX-L products since it is a pioneer in this form factor. The SX750 is not among its best offerings, though, and it needs several changes to increase its performance and become competitive enough to meet products like the Corsair SF750 Platinum eye-to-eye. It has good build quality, using top-notch Japanese electrolytic caps and a double-ball bearing fan which will easily cope with harsh operating conditions. Still, the SX750 needs more tuning to achieve higher efficiency levels. Moreover, the fan speed profile could be more relaxed and an efficiency boost will make this easier since thermal loads will decrease.
There are not many choices in the 750W SFX category. So far, the Corsair SF750 Platinum dominates this category, and if you need more power, there is also the Cooler Master V850 SFX Gold, which we didn't have the chance to evaluate yet. The SilverStone SX750 has many good aspects, but it needs several changes to increase its performance and get closer or even surpass the SF750 Platinum. If you need more power and your chassis can accommodate an SFX-L unit, you could also take a look at the SilverStone SX1000 Platinum.
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Disclaimer: Aris Mpitziopoulos is Tom's Hardware's PSU reviewer. He is also the Chief Testing Engineer of Cybenetics and developed the Cybenetics certification methodologies apart from his role on Tom's Hardware. Neither Tom's Hardware nor its parent company, Future PLC, are financially involved with Cybenetics. Aris does not perform the actual certifications for Cybenetics.
