I built my computer back in 2009, and have never had to take it to a repair shop, because I designed it to be reliable.
1) It has 4 HDDs, (3 SATA & 1 IDE), of which two are internal, (2 SATA drives), and the other two are in "Hot Swap Trays".
2) The "C" drive HDD is a SATA drive in a "Hot Swap Tray"; and I have a spare "C" drive in a "Hot Swap Tray" sitting on a shelf in the event of problems.
3) One of the internal SATA HDDs, has my "D" drive on it which is another identical boot partition which can be set as the boot drive by going into the bios and altering the sequence of the HDD priority.
4) The other internal SATA HDD has my "E" drive "Software" partition on it, because I prefer to install my software in a partition separate from the Windows partition, because 1) it is always the windows partition that gets screwed up with viruses and other problems, and 2) the machine runs faster if you are using two sets of read write heads silmultaneously, one to read Windows, and the other to read the program that you are running.
5) The other "Hot Swap Tray" has an IDE drive in it used for storage.
6) I have a total of 17 HDDs both SATA and IDE in "Hot Swap Trays" which can be used to import data to my machine and if necessary restore any given partition from "Ghost Image Files". (If data has to be imported from a SATA drive, then I shut down, remove the "C" drive tray from its bay, then insert the data storage SATA drive in the bay, then boot from "D" drive).
Further the machine has more fan power blowing air into the machine than it does blowing air out of the machine, so as to insure that any air leakage is air seeping out not in. This is because every fan blowing air into the machine has a custom made "Dust Filter" made from ladies nylon stocking material, so the machine always stays clean inside.
It's a 2.4 Gigahertz Intel Quadcore contraption, and so far it has worked pretty good.
Edited by hamluis, 13 May 2013 - 03:22 PM.
Moved from System Building to Tips/Tricks - Hamluis.