Don't you have a PCIe slot that you can use for an NVMe adapter.
this post was submitted on 29 Nov 2023
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I think the r740s have a addin called a boss card that you can use. If I remember correctly, you can boot from it which is a big advantage over after market.
I need to find a new job where they let us take home the old hardware :)
The R740xd SFF is a mess inside.
There are multiple backplane options and cards that attach to the backplane that all change how they function, with about 12 official supported configurations (including the 3.5", midplane, and rear-bay variants).
Your backplane itself may already support a set number of NVME drives, or even be tri-mode outright, with the correct cards attached and correct expanders connected (Dell calls the PCIE interface cards expanders).
If you don't want to fuck with it and only have a couple drives to attach, PCIE cards with U.2 mounts are cheap and easy. It's easy to find single-drive and two-drive cards. Icydock also makes (expensive) cards that turn a PCIE slot into a U.2 drive bay, though hot-swap may not be supported in many cases.
The R740xd SFF is a mess inside.
There are multiple backplane options and cards that attach to the backplane that all change how they function, with about 12 official supported configurations (including the 3.5", midplane, and rear-bay variants).
Your backplane itself may already support a set number of NVME drives, or even be tri-mode outright, with the correct cards attached and correct expanders connected (Dell calls the PCIE interface cards expanders).
If you don't want to fuck with it and only have a couple drives to attach, PCIE cards with U.2 mounts are cheap and easy. It's easy to find single-drive and two-drive cards. Icydock also makes (expensive) cards that turn a PCIE slot into a U.2 drive bay, though hot-swap may not be supported in many cases.