CompactFlash Connectors

CompactFlash storage cards are small, removable, mass-storage devices that electrically comply with CompactFlash Association standards, the PC Card ATA standard, and run in true IDE mode.
TE Connectivity offers a comprehensive line of headers for CompactFlash.

52 pieces in what seems to be a manufacturer tray. Found with no bag or label.

Compact Flash CF Card 50-Pin Connector Socket Header Top Mounting

Multi function 3 slots CF/ Micro SD/ SD card reader USB C to support Sandisk Lexar SDHC, SDXC(USHII, USH-II, USHI), Mini SD, TF and Compact Flash

Compact Flash CF Card Reader, WEme Aluminum Multi-in-1 USB 3.0 Micro SD Card Reader with 2-in-1 Type C Adapter for PC, Mac, Macbook Mini, USB C

CompactFlash - Wikipedia

From my personal collection.

PNY USB 3.0 Mac Cable Connector Hi Speed Card Reader SD MicroSD CompactFlash xD

Compact Flash Card (R Series® Only) - ZOLL

ADA-COMPACTFLASH-EXTENDER-0430FFC - ES&S Solutions GmbH

CompactFlash Connectors

CompactFlash Memory Card Connectors Datasheets – Mouser

Compact Flash CF Card Reader, WEme Aluminum Multi-in-1 USB 3.0 Micro SD Card Reader with 2-in-1 Type C Adapter for PC, Mac, Macbook Mini, USB C Devices, Support Sandisk/ Lexar UHS

3M™ CF Card Header, 7E50 Series, CompactFlash™ Type II, Long Guides, Surface Mount