Summary: I have owned 2 of these in a 10 year span, and only had to buy a second psu because I sold my PC with the first antec. The 1st one is 7 years old now and I still haven't gotten a call to replace it. The second one is a year old and of course runs perfectly fine.
Pros: -80mm rear exhaust fan which keeps airflow in mind for top mounted psu cases -80+ Certified helps the electric bill...but most of all converts power efficiently to reduce heat. -A great replacement for retail PCs with dead power supplies (leaves plenty of room) -Very quiet for a 80mm ball bearing...
Cons: -No mesh sheeths to cover the psu cables (at this point I'm nitpicking)
Summary: This PS was recommended by Dell as an upgrade for my computer. It is working very smooth. Power is very consistante. If you are looking to upgrade your Inspiron, this is a very important and accurate upgrade.