When did this PSU come out?

[Atomwolf]

I would like to know when the cooler master rs-500-asab-l3 came out. Release dates make the product's age blatant which is a helpful factor in determining whether the product is still good to use. thanks

 

[Colif]

released 2011

See product sheet on this page: http://www.coolermaster.com/service/support/model/RS-500-ASAB/