Summary: cpu works fine, haven't found an unlock for the 4th core yet. The heat sink and fan that came with it were tiny, much to small to keep this unit cool.The base of the heat sink barely covered 50% of the surface area of the processor.
Summary: I installed onto a "As Rock N68C-S UCC" motherboard. In the bios settings, I switched it to unlock the 4th core. So it's not jus simply X3. It's now X4. Significant improvements in computer. I still need to upgrade RAM, power supply and even graphics card.
Summary: I chose this CPU for several reasons: 1) It is cheap. 2) You can, with the right motherboard, unlock the fourth core. This makes a it a wee bit more powerful and means more power for your dollar. 3) It's an AM3 socket and my motherboard supports AM3+ so it is possibly to keep upgrades in mind for the future without completely having to rebuild the rig. That can make a big difference when upgrading.
Summary: Haven't had it very long, but am quite pleased so far; it has done everything I have asked it to do so far - and with reasonable speed. I give it 4 because I don't know what perfect is on processors.. But, again, I am quite pleased with it.
Summary: A friend of mine needed to upgrade his single core processor but didn't have a gaming motherboard, so this one is just powerful enough that it handles most games but not so powerful that the motherboard is strained in any way. Fantastic price, quick delivery, pre-applied thermal paste(however I scrape it off and replace it with arctic silver, I think it's a handy idea), all around a fantastic deal.
Summary: Needed a change over the old 4200+ 939 chip I was using for my work PC. Didnt want to spend a lot, just wanted something a little more up to date that would give me a better motherboard selection. I like budget AMD boards over Intel ones as you can get eSATA/USB3/HDMI etc. when on the Intel board you still get useless serial and parallel ports. Anyway I'm used to unlocking as I've run a old Phenom II 720 as a quad at 3.6GHZ for a few years.