The Ultra X4 1050 watt is certainly a cabable PSU, but is it the best PSU in its range? The short answer is no. While we praise Ultra for improving the efficency, the voltages and PFC where not as good as the Corsair HX850 PSU. It really is too much...
Ultra’s return from litigation to the world of building power supplies can be hailed as a success, and a welcome one at that. Their latest X4 line of power supplies seem to represent the culmination of four generations of products and...
The 1050 watt flavor of the X4 line functioned about as we expected. It’s good to see Ultra is consistent in quality control across their whole line. The fully modular design is a refreshing experience for someone used to dealing will the jungle...
Pricing for the X4 power supplies could not be obtained at press time, however if it follows typical retail for the previous X3 series that would put the 1050W around the $250 mark, with the 600W somewhere under $100. That certainly puts both in the top...
Environmental Factors: For its packaging, use of foam inserts and no mention whatsoever of the use of recycled materials, the Ultra X4 1050W scores zero points. For its high efficiency and power factor levels it pulls a some back, so let's call it a...
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