Geforce GT7100 (used for a small while, mainly as backup), 8800GTX (used for 4 or 5 years), GTX670 (used for 5 or so years by me - still used by a friend, although not very often), GTX1060 (used for 4 years) & RTX 2070 (still using - about 9 months old and bought as B-stock from here) all still...