I asked a similar question on DP Review and this post has something of promise. I posted about it here and can’t find that thread right now. It’s a CFe to M.2 adapter.
Adapter on eBay
Re: Z8/9 - travel light - anyone using a small hub that supports data and charging: Nikon Z Mirrorless Talk Forum: Digital Photography Review
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Adapter on eBay
CF Express TYPE-B To M.2 NVMe Extension Cable for M2 SSD Memory Card Adapter | eBay
Wire length refers to the visible wire, excluding PCB and connectors.
www.ebay.com