Compatibility of PCIe 4.0 x16 slots with GPU GPUs

F5F Stay Refreshed Hardware Desktop Compatibility of PCIe 4.0 x16 slots with GPU GPUs

157

08-18-2019, 03:26 PM

I noticed the confusion about GPU compatibility with PCIe 4.0 x16 slots. The original message was about PCIe 3.0 GPUs in 4.0 slots, but the current version seems to address a different scenario.

KariibikUrlxub

08-18-2019, 03:26 PM #1

I noticed the confusion about GPU compatibility with PCIe 4.0 x16 slots. The original message was about PCIe 3.0 GPUs in 4.0 slots, but the current version seems to address a different scenario.

PsychosistX
Member

111

08-20-2019, 10:54 PM

PCI-E supports both backward and forward compatibility. Therefore, a PCI-E 3.0 x16 GPU will function properly in a PCI-E 4.0 x16 slot.
x16 indicates the slot or GPU utilizes 16 PCI-E lanes for operation.

PsychosistX

08-20-2019, 10:54 PM #2

GameGirl70
Member

08-23-2019, 01:35 AM

Yes, the BUS data rate is adjusted automatically by the BIOS and may also be influenced by the driver.

GameGirl70

08-23-2019, 01:35 AM #3

Yes, the BUS data rate is adjusted automatically by the BIOS and may also be influenced by the driver.

Bartekdwarf
Posting Freak

791

08-25-2019, 07:59 PM

Yes, the PC (BIOS/UEFI) identifies the GPU PCI-E revision automatically without requiring manual steps. This includes installing the correct GPU drivers.

Bartekdwarf

08-25-2019, 07:59 PM #4

Yes, the PC (BIOS/UEFI) identifies the GPU PCI-E revision automatically without requiring manual steps. This includes installing the correct GPU drivers.