5830 for 2 years and 2 months.
5770 2 years and 1 month.
I just retired them both last month after getting Block Erupters. Both GPU's are still functional.
Sam
hi, are you mining for 24/7 also?
No, GPU mining Bitcoin hasn't been profitable for a long time now.
If you want to mine alt coins post in the altcoin section instead of resurrecting outdated posts.