4-5 years? My old backup server has almost been running for 15 years now, 6x 500GB hard drives, one is even running on PATA. 8GB ECC ram, Athlon II. I could sav

4-5 years? My old backup server has almost been running for 15 years now, 6x 500GB hard drives, one is even running on PATA. 8GB ECC ram, Athlon II. I could save some money replacing those 6 drives with 2x 14TB hard drives today. But as long it is working fine I ain't gonna do something before I run out of hard drive space.