Chenbro chassis used with the following products:
Clipster / Fuze / Pronto / SpycerBox / some MDS / some Fileservers
The old connector could be related to this:
False fan alarm workaround
The old type shown on the left has a slit in each contact of the full length of the contact, the outside top edge is also rounded.
The new type shown on the right has a slit midway down into the contact, and the outside top edge is flat.
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