M.2 (NGFF) NVMe SSD to Laptop ExpressCard 34. e.g. for Samsung 950/960/970 EVO #19499 | M-Ware
ExpressCard Adapter 34 54 mm ExpressCard to Mini PCI e Adapter mini PCI express express card converter for laptop|expresscard 34|mini pci-e pci-eexpresscard slot - AliExpress
RARE WINTEC FILEMATE 96GB EXPRESSCARD 34 SSD MAC OS WIN SONY PMW SXS | eBay
8GB Transcend ExpressCard/34 SSD with USB Adapter (MLC Flash)
24GB FileMate SolidGO ExpressCard 34 Ultra SSD (w/mini USB port)
Verbatim SSD ExpressCard 64GB Review: Unlock the potential of that unused ExpressCard slot on your laptop by adding up to 64GB of SSD storage, courtesy of the Verbatim SSD ExpressCard - PC