I think it is a good idea to also replace the computer case on some cheaper retail pre-built desktop pc when replacing its Desktop PC's motherboard which is screwed onto the motherboard tray which is part of the case. Some pre-built desktop computers also have weird motherboards which are hard to find, so it maybe simpler to buy an ATX motherboard which work with your CPU, and CPU cooler, and install the new motherboard into an ATX motherboard compatible computer case made for ATX motherboards, and PCI cards which can fix in an ATX case.
Computer cases are not very expensive. You can buy a mid size ATX tower case for $40 on eBay or Amazon. Custom cases usually have more space for adding a bigger size video card, more hard drives and disc drives, bigger CPU heatsink cooler, and a bigger size motherboard with more PCI, PCI-E and PCI-Express expansion cards.
There are also a lot of Used Gaming computer cases which cost a 20 dollars or less which you can buy or get for free from Craigslist.
Many of computer cases from pre-built desktop computers are too small to fit a bigger motherboard, a larger CPU cooling system, with more PCI slots, PCI-Express graphics slots, a larger video card, and there is not enough hard drive, and disc drive holders to install more than one hard drive, and disc drive. Plus, installing hard drives, and disc drives can sometimes be very difficult on some pre-built cases where you need to take out the front faceplate, and unscrew a lot of screws and parts to access the drive holders.
A lot of pre-built PC cases are hard to install parts like hard drives, and video cards in your PC because the case are very small, and has a lot of wires in them which make it even harder.
Some of the cheaper cases on pre-built PCs also don't have a good cooling system because the cooling fan is too slow or there is no cooling fan except for the cooling fan on the power supply, so your PC can overheat more easily. The bad cooling in cheaper computer cases found in smaller pre-built computer cases can make computer parts break faster, and overheat a lot.
Many of the cases for pre-built desktop computers don't look good, and don't have enough front USB ports, so replacing the case to a better case can be nice.
Computer cases are not very expensive. You can buy a mid size ATX tower case for $40 on eBay or Amazon. Custom cases usually have more space for adding a bigger size video card, more hard drives and disc drives, bigger CPU heatsink cooler, and a bigger size motherboard with more PCI, PCI-E and PCI-Express expansion cards.
There are also a lot of Used Gaming computer cases which cost a 20 dollars or less which you can buy or get for free from Craigslist.
Many of computer cases from pre-built desktop computers are too small to fit a bigger motherboard, a larger CPU cooling system, with more PCI slots, PCI-Express graphics slots, a larger video card, and there is not enough hard drive, and disc drive holders to install more than one hard drive, and disc drive. Plus, installing hard drives, and disc drives can sometimes be very difficult on some pre-built cases where you need to take out the front faceplate, and unscrew a lot of screws and parts to access the drive holders.
A lot of pre-built PC cases are hard to install parts like hard drives, and video cards in your PC because the case are very small, and has a lot of wires in them which make it even harder.
Some of the cheaper cases on pre-built PCs also don't have a good cooling system because the cooling fan is too slow or there is no cooling fan except for the cooling fan on the power supply, so your PC can overheat more easily. The bad cooling in cheaper computer cases found in smaller pre-built computer cases can make computer parts break faster, and overheat a lot.
Many of the cases for pre-built desktop computers don't look good, and don't have enough front USB ports, so replacing the case to a better case can be nice.
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