does hp z800 support rtx 3090 ?

[x_boy951]

hello guys , recently i wanted to buy a brand new rtx 3090 for my hp z800. im wondering if any one knows rtx 3090 is working on hp z800 mother board ? or how can i use rtx 3090 in my hp z800 ?

[DGroves]

while it's possible to install a 3090 (370 watt power draw)  in a z800 physically, even  with the optional1100 watt power supply

you will exceed the z800's pwr supplies GPU rail limits not to mention the card will be severely bottlenecked speed wise due to the z800's pci-e 2.0 bus and the available cpu's in short the 3090 will perform somewhat better than a 1070-1080 (non TI)