GPU sag. Don't make a horizontal setup
Super cheese sandwich
Posts: 633
Hi! I always have the curiosity about why gpu servers have their gpus vertically. Now I know why. Today I were cleaning my pc and I found that one graphic card is going down. The pci slot is twisted/broken but still working. I'm looking for pc cases that have their gpus vertically with space for four cards. The only I could find was "Thermaltake x9". I'm not looking for fancy lights. I don't care the apparence. I'm looking for practicity. I have a Corsair 900d. I was thinking in change the position horizontally but it would suck too much space. I buy that case for the space that it's has but I realized that now that it's un-practical. If I put my cards vertically changing the case would I have the same problem with the pci slots? Which case do you recommend me?
Thanks A LOT for the advice and merry Christmas to all 
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*I'm sorry for my english

Comments
I have a Asus Motherboard Rampage V Edition 10. I bought it new and it have 2 month of use. The cards have 1-2 years of use. All cards are 980 ti. All cards were installed properly. I don't know why happened this but I assume that it's because the position of the cards
I think they call it GPU sag. You can find GPU support brackets on Amazon if you think your cards are too heavy. Most are made of acrylic, since obviously you don't want anything metal touching your cards.
They also sell cables called PCI riser extenders. They let you mount your card away from your PCI slot, which could let you mount it vertically. Some people actually use zip ties. You can find lots of videos on Youtube about these subjects.
Got mine tied with fishing line, works pretty good
Thanks for all the answers. I recently readed on internet that using the gpu vertically will prevent sagging. So, I'm going for a vertical case
It's the reason why many gaming motherboards come with reinforced PCIe slots.
https://www.google.co.uk/search?q=reinforced+pcie+slot