There are too many computer cases for sale in the market that makes the selection process takes longer than it should.There are also too many decisions to make. Choose a computer case that you could stand looking at or even appreciate having.After doing so,you can check what other attributes of it you should know about. Does it have space for USB ports on the front panel? These ports are very practical as they offer easier access for your USB flash drives. It just is not sensible to keep sticking the drive at the back as it would require you to move the PC and sort through all the cables and dust bunnies back there. Newer motherboards have USB ports for the front and back panel. How big is the power supply you will be using? The power supplies in computer cases may be too small and inadequate for your application.The problem with small power supplies is that it may not be sufficient to run your system smoothly.You will notice your computer suddenly rebooting. You must select a power supply that could match the needs of your system or it just would not run right and may damage your hardware. How many drives of what size will you be installing? Get a computer case that can fit in all of these devices. You will need one that has as many external bays as you require and can fit in all the hard drives and CD or DVD-ROM drives.Would you still use floppy disks? You will not need a case that has a bay for this if you will not be using floppies. Will the size of the computer case fit in the spot where you will place it? If you have specific space requirements, make sure you get the dimensions of the case before you get it. Both the height and the depth are very important. Is there enough cooling space? If your computer will be placed in a closed space like a cabinet, you have to consider if it has sufficient cooling. You may need additional cooling for certain applications so select the case that could accommodate such additions. Aluminum Computer Case