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To use the 50mm lenght reverse cable to connect do a pi5 on a waveshare pi5 module box case

2026-09-23 06:41:38 Ask

I have a WaveShare Pi5 Module Box (C) with a PCIe-to-M.2 NVMe board v2. I need the Pi5 to be able to support the Gen 3.0 standard on the PCIe NVMe, but unfortunately, with the kit’s 50mm FPC, it always downgrades to Gen 2.0, no matter what settings I’ve tried.

So I was thinking of buying the 50mm cables: PI5-PCIE-FPC-5CM + PCIE-FPC-5CM-Reverse + PCIE-FPC-5CM-Bend. Do you think I’ll be able to bend them to fit the WaveShare kit’s assembly and connectors? And these cables have the 90 ohms needed to maintain Gen 3, right?

Thank you for your attention, and I wish you all the best.


1answers
SpotPearGuest57d4d
Answer time:
2026-09-23 14:46:49

I think replacing the cable may not solve this issue either. The speed downgrade is caused by multiple factors.

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Price: $1.79-2.19
Part Number: PI5-PCIE-FPC
Brand: Spotpear