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Where to get a USB 3.1 "type E" front panel header?

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AJMansfield:
I'm currently in the process of designing a product that will need to have USB type C ports on its panel, and due to physical constraints with the design it would be convenient to use the USB "type E" connector commonly used on computer motherboards for connecting a front panel cable like this one.
However, despite extensive searching, I have been totally unable to find even a single manufacturer or supplier who actually sells these connectors, or even a whiff of a part number I could search.

Here are some images of the connector I'm trying to find, for reference:


The closest I've been able to come are these "IDC 20 pin to A-key 20 pin" adapter boards, so clearly someone is making these connectors available to more than just major motherboard vendors, and there's definitely multiple different designs for such a board on the market (e.g. this this cheaper $11 one is shorter and has different/fewer passives on it).

While a large number of online vendors that sell the front panel cables and adapter boards have taken to calling this a "USB Type E" connector, I haven't been able to find any official provenance for this terminology.
The Official USB-IF Specification (PCMCIA Proposal 279, section 2.1.1) for this connector calls it either a "USB 3.1 Front-Panel Internal Connector" or an "Key-A 20-pin Shielded Header".
The manual for the ROG strix B550-E "gaming" motherboard (selected at random from newegg) calls it a "USB 3.2 Gen 2 Front Panel" connector.
I was also able to find one seller that called the cable end a "USB 3.1 type-c MINI 20 pin Front Panel Header" but this "type-c mini" terminology doesn't appear anywhere else that I've been able to find.

And with all of this, none of these terms have turned up anything remotely close to BOM-able for this connector.
Right now, the best strategy I've been able to come up with if I want to implement this connector is to just buy a bunch of the cheapest "type E" adapter boards I can find and salvage the connectors off of them, but that's a stupid, expensive solution and I hate it.

If anyone has any information at all about this connector, which manufacturers are actually making this connector, where I can buy it, or (the holy grail) a BOM-able part number for the thing, I would be immensely grateful for whatever it is you know.

coromonadalix:
This ??

https://www.amazon.fr/EZDIY-FAB-Concentrateur-10Gbps-Type-C-Chargement/dp/B07T4NYNKJ/ref=pd_lpo_147_img_0/259-5152579-1596535?_encoding=UTF8&pd_rd_i=B07T4NYNKJ&pd_rd_r=4b1fa031-ed41-4de1-984d-a669a79fef9c&pd_rd_w=zjwDy&pd_rd_wg=Le30v&pf_rd_p=a9e8383d-b25d-45ec-acc2-a094dd781c31&pf_rd_r=5943FRCKCAA9NAYC9VS1&p;refRID=5943FRCKCAA9NAYC9VS1;sc=1&


Tried to find the same in the usa market,  not the same connections ??

some cable

https://www.newegg.com/p/181-029Y-000C6?Description=usb%203.1%20gen%202%20cable&cm_re=usb_3.1%20gen%202%20cable-_-181-029Y-000C6-_-Product

https://www.newegg.com/p/181-029Y-000C2?Description=usb%203.1%20gen%202%20cable&cm_re=usb_3.1%20gen%202%20cable-_-181-029Y-000C2-_-Product

https://www.delock.com/produkte/G_85327/merkmale.html

AJMansfield:
No, that is not at all what I am trying to get. I am trying to get the surface-mount connector that those cables connect to, so I can use it in my own custom PCB design. (Although if you are able to find the bare cable end-connector without any of the rest of the cable assembly, that would be helpful since the same manufacturer would probably also make the surface-mount connector.)

amyk:
C8656-20CFDSAQR
WU3IR-20A1L1PHW5

http://conshare.com.cn/pro_view-143.html

When the manufacturers themselves nor the official specs don't call them "type E" connectors, it's not surprising you won't find anything useful. ;)

Sceptre:
Amy FTW!

Delock has an M2 to USB 3.1 adapter that has a name/logo stamped on the connector, but I can't make it out:

https://www.delock.com/produkt/63998/merkmale.html

Here's the USB Implementers Forum spec for that connector and front-panel interconnect:
https://www.usb.org/sites/default/files/USB3p1_Front_Panel_CabCon_Implment_Doc_Rev1p1.pdf
Lots of details, but no connector manufacturer or part number listed that I could see.

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