I bought the 750W variant for a small build. Unfortunately, when my GPU booted up, my system showed a black screen without an automatic restart. This was a clear indication that the PSU was defective (confirmed when I replaced it). I don't think Cooler Master makes terrible products, including their power line, but mine was definitely a failure. I wish I had given them another chance, but I really wanted to finish my build and chose another manufacturer instead (I was able to find one that shipped same day for free). I will say that the CM PSU was easier to assemble. The cables weren't unnecessarily thick or stiff, which is a big deal when you're trying to make a console-sized gaming PC. For the price (around $135) you really get a lot of performance for an SFX power supply.
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