Is there a way to determine the max bandwidth the card will need to see if x8 is sufficient? Since the card is PCI Express 2.0, I know the slot will be running at PCIe 2.0 speeds, not PCIe 3.0 speeds.

In most Mac Pros the PCI-express slots are set up such that the first two are capable of x16 speeds, and the last two are only capable of x8 speeds at a maximum.

Apple has posted a Knowledge Base document offering some interesting details about the PCI Express (PCI-E) slots found in the Mac Pro. All four of the Mac Pro's PCI-E slots are 16-"lane" or "x16 ...

To interconnect the expansion cards to the motherboard, PCI Express uses physical slots. The common PCI Express slots we see on motherboards are PCIe x1, PCIe x4, PCIe x8, and PCIe x16. The number ...

If you multiply then 16 GT/s per lane bandwidth translates into 1.97 GB/s for x1 devices, 7.87 GB/s for x4, 15.75 GB/s for x8, and 31.5 GB/s for x16 devices. PCI Express has moved well beyond ...

Basic adapters, which simply run traces from each m.2 connector directly to corresponding lanes on the PCIe slot. i.e., m.2 #1 goes to the first x4 lanes, #2 to the second set of x4, etc.

I have a ROG STRIX B450 build running like a champ, my GPU takes up the top slot, but I have a x8 slot under it that I feel I should be using for something to speed up or add functionality to my PC.

The PCI Express MegaCore, Altera said, is delivered with an IP toolbench graphical user interface that designers can use to configure the PCI Express MegaCore function, the corresponding testbench and ...

“The Sonnet M.2 2×4 Low-profile PCIe Card enables users to mount two M.2 NVMe 2280 PCIe SSDs (sold separately) into almost any expansion card space with an available x8 or x16 PCIe card slot ...

Series 10027747 accepts a unique 3-slot riser that can provide two x8 PCI Express slots supporting x4 links and one PCI-X slot in a 2U form factor.