Electrically? As long as it is kept clean, cool, has stable power and has no significant material or manufacturing defects, 15-20 years.
For gaming? Already long past its prime by most people's standards.
Electrically? As long as it is kept clean, cool, has stable power and has no significant material or manufacturing defects, 15-20 years.
For gaming? Already long past its prime by most people's standards.