TFW8B version looks good. Seem to have hard gold plating. It will last.
The eBay version uses HASL plating which is tin. Too soft. It will leave tin shavings into the connector and eventually wear out.
I recently ordered a batch of black KFF PCBs with hard gold plating. It's worth the extra price for hard gold. In a batch of 100pcs it cost about 2,5€ extra per PCB.
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