It's a good PSU but it's not meant for high performance systems. The CX line is very good and reliable but it is not optimized for high performance builds like gaming. Your build is not high-performance so the PSU will be fine for you. But under heavy load, the CX PSU will not perform as efficient as it should.
Corsair is a great brand, but know that Corsair does NOT manufacture their own power supplies. They outsource other companies to build them. Some of their PSUs, especially the high end HX and AX series are built by Seasonic and are really good because Seasonic is arguably the most reputable and most reliable PSU OEM in today's market. XFX is also a good PSU brand because Seasonic makes all of their PSUs. So not all PSUs in Corsair's line is great. Some are not as good. Some are really good for low-end builds, but not great for high-performance builds.
Most of EVGAs PSUs are kind of crappy, but their new line, the EVGA Supernova G2 series, is arguably one of the top brands on the market today. Super Flower, the PSU OEM for the EVGA Supernova G2 series, did a great job on those.
So again, when deciding on a PSU, it really helps to read reviews for them. jonnyguru.com and hardwaresecrets.com are a few good places to find them. Each PSU is rated differently. Just because a company is notable for a few bad PSUs, it doesn't mean that they won't have a good quality one. Customer reviews are NOT credible. Do not base a PSU's performance based on customer reviews. Most customers have no idea what makes a PSU good or bad. They only speak about whether or not it works and for how long. That doesn't mean anything. Even the best PSU can fail and to the customer, that's a thumbs down. What they don't understand is that PSUs can die and this isn't necessarily the worst possible scenario. A worse case is the PSU dying and ALSO destroying other components in your build. This happens a lot with crappy PSUs. Since the PSU is connected to every component and powers every component, it is serious business. I rather spend more money on a quality PSU knowing that if it dies, my other components are not likely to die with it because it has better build material and have many layers of protection. That said, most top PSUs do not die often and do have very long warranty.
P.S.: my nick is ksham. "B strong" is my avatar. Just wanted to clarify that.