Can PCIe x8 Fit Into x16 Slots?

slot btv 16 8 btv 16 8 slot BTV-speedy7 Login Speedy 7 1000353 Login Fan Tan BTV-wheeloffortune Login Classic Speed Blackjack 8 1000222 Login Blackjack Classic 69 1000043 btv 168 slot btv 16 8 slot login Open media 1 in modal btv 16 8 slot login Open media 2 in modal btv 16 8 slot login

btv slot BIGGEST JACKPOT Of My LIFE On Konami Slot Machine, biggest win on youtube on Rawhide