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Posted: 9/29/2024 8:09:15 PM EDT
I know they exist and that they fit in X4 PCIE slots but how many lanes are needed to take advantage of the 10Gpbs?
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Posted: 9/29/2024 9:14:19 PM EDT
[Last Edit: LatentUser]
[#1]
Originally Posted By farfromhome: I know they exist and that they fit in X4 PCIE slots but how many lanes are needed to take advantage of the 10Gpbs? you can plug most x8 cards into x4 slots. You could easily run a single Intel x520-DA1 10G x8 NIC at full line speed in a PCIe2.0+ x4 slot. PCIe 2.0 x4 has 2GB/s bandwidth, a 10Gbps nic will be about 1.28 GB/s. It wouldn't be able to run a DA2 card as it would need another x4 equivalent of bandwidth. |
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Posted: 10/2/2024 10:35:27 AM EDT
[Last Edit: The_Fly]
[#2]
I run a Mellanox 4x on a pcie 3.0 slot that only has 2x lanes, and it performs at 10gb no problem.
Intel 10gb and 25gb cards can be twitchy if you don't give them at least 4x lanes (its a design limit in their chipset). The Aquantia AQC113 based cards should work fine on a pcie 4.0 1x slot. Only downside to them is that they only support twisted pair cabling. |
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