There were four basic materials that the Egyptians used to build the pyramids: limestone, pink granite, basalt, and alabaster. Each type of material had a diverse use. Limestone had, for the most part, two uses.
To answer your question: The useful lifespan of a CPU is about 3-4 years. My guess on the technical lifespan under full load is closer to 8-10 years if nothing else breaks and takes the CPU with it. The reasons: High Performance Computing Clusters usually keep the computers for 3-4 years.
Hey guys! I was just wondering how long does a motherboard last on average? I run my computer ~8-10 hours a day mostly doing word processing and browsing and I have my CPU OC'd to 4.5Ghz boost with a 1.26Vcore. Running like this how long should I expect it to last? 2 years? 5 years?