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Regular Contributor
Posts: 245
Registered: ‎06-21-2017

Re: Chase Chips bigger than everyone....

jodysmithavl wrote:

I'm pretty sure that means that the Amex is contactless, you can just wave or tap over a terminal and pay. I just recently read here that the Amex with contactless has a matte plastic back vs metal, like the non contactless version.


I wonder if that means the Chase card is contactless as well? Or if they just use a different version/brand/model chip? 



The contact only Platinum doesn't have a metal back; it is actually transparent, back printed plastic. The magstripe is part of the plastic back panel.

Gardening from 10/1/2017 to 4/1/2018.
Established Contributor
Posts: 710
Registered: ‎12-21-2012

Re: Chase Chips bigger than everyone....

Discover2016 wrote:

My Amex Platinum uses an eight point contact like Chase.IMG_5066.jpg

No, it doesn't. Look closer. In that photo the Amex is a 6-contact chip and the Chase is an 8-contact chip (if you don't know what you're looking for, it actually would give the appearance of having 10 - not 8 - unique segments, but 4 of them are not defined or connected to anything - they're purely decorative, there are only 6 actual contacts - which is why the chip is placed slightly higher on the card than on an 8-contact chip of the same size - so the six actual contacts line up correctly).


Until recently, contactless required a larger contact pad, but not necessarily 8 contacts.


8 contacts are needed for programming certain OSes, though I can't remember off the life of me which ones. Once the card is delivered to you, the difference is irrelevant.

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