If you are investing a lot on upgrade and modifications for you PC and not investing in a good quality case then you are not doing justice with the machine you have assembled, best tempered glass PC cases can elevate that look to the maximum and these provide that amazing look that modified PCs have always lacked, big, bulky casings which were really heavy and made up of materials which would lose their texture and shine in just a short while were not really helping the aesthetics of a modified machine, but tempered glasses have allowed these machines to have all those modifications but with the casing with smooth tempered glass it now does look amazing as well.
If you have bought a good quality tempered glass case then rest assure that the glass would be tough enough to take a few knocks and not break, usually the tempered glass used in PC cases is thick and it is required to be, people complain about its weight and it being heavier but that is a requirement and manufacturers can use a thinner glass but that will not provide that level of safety, a thick glass can withhold a small knock, you will not have to worry about it all the time because a small sharp item will not be able to break neither small unintentional leg bump or a kick that we deliver to our systems, you should be careful with it though and not be absolutely careless with it.
The best tempered glass PC cases come with expansion packs so that you can increase the size of the tower, by buying one with an expansion option you don’t have to worry about any addition to the machine in the future and that is such an advantage.