this post was submitted on 21 May 2024
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[Jellyfin] PCIe x4 graphic card for transcoding (self.selfhosted)
submitted 6 months ago* (last edited 6 months ago) by peregus to c/selfhosted
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I have only a PCIe 2.0 x4 and a PCIe 3.0 x16 free and I need to install a 10Gbps SFP+ card and a graphic card for transcoding with Jellyfin (the CPU is an old E5-2620 v2). Since I can't find any SFP+ card that is x4, do you know a graphic card with decent transcoding capabilities (I'd day 2 4K simultaneously) that is only PCIe 2.0 x4?

Edit: the x4 slot is full length.

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[–] roofuskit 10 points 6 months ago* (last edited 6 months ago) (2 children)

Is the x4 slot full length? Because the graphics card will likely work fine in an x4 slot. Especially if you are just using it for transcoding. PCI Express is backwards compatible, is just going to limit performance.

PCIe 2.0 with 4 lanes gets you 2GB/s. Which should be more than enough for video transcoding.

If it's not a full length slot you can buy a riser that converts it. Some x4 slots have a cutout at the end though to allow them to accept full length cards.

[–] peregus 2 points 6 months ago (1 children)

Yes, it's full lenngth. Thanks!

[–] roofuskit 3 points 6 months ago (1 children)

Re-reading your post, I just realized you're probably trying to put a video card in the second PCI-E slot and you need to make sure your board will support that. Some boards will not boot if the only video device is not in the primary slot. If you have onboard video from the CPU this won't be an issue. But definitely double check the manual for your motherboard.

[–] peregus 1 points 6 months ago (1 children)

Yes, I would install the video cars in the second PCI slot, but the motherboard has an integrated video card, does that count? By the way, I don't have alternatives, if it will not boot, I will not use the graphic card. Thanks!

[–] roofuskit 2 points 6 months ago (1 children)

It should work as long has you have integrated graphics. Make sure you have the integrated graphics set as default in your bios.

[–] peregus 1 points 6 months ago

Thanks!

[–] theit8514 2 points 6 months ago (1 children)

I was thinking this too, if you have an open-ended 4x slot it can fit a 16x card but only runs at 4x.

TBH if you're running 10Gb you may want to look for a board with on-board 10Gb rather than a PCIE which will save you the slot. My HP server has a swapable daughter board for the nic so you can chose 4x1Gb or 4x10Gb.

[–] peregus 2 points 6 months ago

I already have the server, it doesn't make any sense to change it. Above all, as someone else has pointed, the 4 lanes are enough for transcoding.