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PCI 3.0 Graphics Card on a PCI 2.0 Motherboard

AtemBoi
By AtemBoi
in Graphics Cards
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Go to solution Solved by Kilrah,

It'll work just fine, just at PCIe2 speeds.

 

Shared memory is about the integrated GPU in the CPU if any. 

Posted

So, I recently ordered a RX550 4GB (scroll a bit upwards for specs https://www.powercolor.com/product?id=1585713590#spe) and I just found out that my mobo (https://www.asus.com/me-en/Motherboards/P7H55DM_EVO/specifications/) doesn't support PCIE 3.0. It also mentions: "Maximum shared memory of 1748 MB", does that mean that the card is going to perform like it has 2GB VRAM? And am I going to get major performance issues because of the motherboard?

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  • Solution

It'll work just fine, just at PCIe2 speeds.

 

Shared memory is about the integrated GPU in the CPU if any. 

F@H
Desktop: i9-13900K, ASUS Z790-E, 64GB DDR5-6000 CL36, RTX3080, 2TB MP600 Pro XT, 2TB SX8200Pro, 2x16TB Ironwolf RAID0, Corsair HX1200, Antec Vortex 360 AIO, Thermaltake Versa H25 TG, Samsung 4K curved 49" TV, 23" secondary, Mountain Everest Max

Mobile SFF rig: i9-9900K, Noctua NH-L9i, Asrock Z390 Phantom ITX-AC, 32GB, GTX1070, 2x1TB SX8200Pro RAID0, 2x5TB 2.5" HDD RAID0, Athena 500W Flex (Noctua fan), Custom 4.7l 3D printed case

 

Asus Zenbook UM325UA, Ryzen 7 5700u, 16GB, 1TB, OLED

 

GPD Win 2

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7 minutes ago, AtemBoi said:

am I going to get major performance issues because of the motherboard?

Nah, it should work just fine

I run modern GPU on old systems for fun, never had any issues

-sigh- feeling like I'm being too negative lately

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3 minutes ago, Kilrah said:

It'll work just fine, just at PCIe2 speeds.

 

Shared memory is about the integrated GPU in the CPU if any. 

Thanks for the quick reply!

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I've been running for years a graphic card PCI-e 3 on a PCI-e 2 motherboard and I never had any problem, you don't get the max perf on the gpu but that's it.

My computer

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