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I’m in a rush but ive put Ethernet cards in both slots of my optiplex 3080 m.2 slots. The top right slot is vanilla and 4xpcie lanes,full speed. The bottom left is A+e keying and only 1x lane which is enough for 2.5gig Ethernet. This is ultimately what i used. For my prfesene box I added a second card, a 2 port Ethernet card to the top right m.2 slot and made it a four port beast.

I’m in a rush but ive out Ethernet cards in both slots of my optiplex 3080 m.2 slots. The top right slot is vanilla and 4xpcie lanes,full speed. The bottom left is A+e keying and only 1x lane which is enough for 2.5gig Ethernet. This is ultimately what i used. For my prfesene box I added a second card, a 2 port Ethernet card to the top right m.2 slot and made it a four port beast.

I’m in a rush but ive out Ethernet cards in both slots of my optiplex 3080 m.2 slots. The top right slot is vanilla and 4xpcie lanes and full sleep. The bottom left is A+e keying ans only 1x lane which is enough for 2.5gig Ethernet. This is ultimately what i used. For my prfesene box I added a second card, a 2 port Ethernet card to the top right m.2 slot and made it a four port beast.