The interface is USB3.019PIN TYPE 20PIN, and the connection is stable. Product interface: USB 3.0 19PIN TYPE-E 20PIN. 1 x USB 3.0 19Pin to Type-E 20Pin Adapter. Supports all systems using USB 3.0. Product: USB 3.0 19PIN to TYPE-C front TYPE-E interface.
eBay
20 Pin 3.5" Floppy Bay USB Front Panel 2 Port USB 3.0 + 2 Port USB 3.2 GEN1 5Gbps Type C Expansion Adapter Connector For Desktop
Aliexpress UK
Item Type: USB 3.1 Type C Front Panel Header Extension Cable. With Nut Design: Type C adapter cable with nut design, convenient for chassis rear PCI bit stopper fixed, easy to install. Feature: 1. Scope of Application: Convert the motherboard USB3.1 Type E interface to Type C female port for easy direct connection and data transfer, suitable for motherboards equipped with Type E female port.
eBay
USB 3.0 Micro SD/TF Flash 3.5 Internal Card Reader USB-C Type-C Front Panel Dual USB 3.0 Port Floppy Hub For 3.5" Open Bay Space
Aliexpress UK
USB 2.0 Internal Header (9-Pin) to USB 3.1/3.2 Type-C (20-Pin) A-Key Front Panel 180 Degrees Adapter. The is stable installed on the PCI bracket, it can help you easily connect devices with C-type interfaces. Transfer speed is based on USB 2.0, 9-Pin USB2.0, only USB2.0 rate is transferred out. 180 degress connector interface, avoid assembly interference caused by the position of the motherboard connector or the internal structure of the chassis. It's easy to hook up and install and its just an extension/port no need to install drivers. Compatible with all brand motherboard USB 2.0 9-Pin header, will works on all Windows and Linux systems. Connector type USB Type C Interface USB2.0 9Pin/ USB3.0 TYPE-E Size 30x17mm Type Adapter Brand U.
eBay
USB C 3.1 Front Panel Adapter 90 Degree Angled Type E Male To Female Internal Connector for Asus Desktop Computer Motherboard
Aliexpress UK
USB 3.1 Front Panel Header Type E Male To USB-C Type C Female Motherboard Expansion Cable Connector. Usage: The USB3.1 type-E port of the motherboard is converted to the TYPE-C female port. Internal Mold Material: Transparent PE Material.
eBay
DeepFox Multifuntion 5.25" Media Dashboard Card Reader USB 2.0 USB 3.0 20 Pin e-SATA SATA Front Panel for Optical Drives Bay
Aliexpress UK
Connector1: USB3.0 Type-C Female Connector2: USB 3.1 Front Panel Header Type-E The adapter is a converter to convert the available USB 3.0 header of a motherboard into a USB 3.1 header. Thus the USB 3.1 port of a housing can also be supplied with USB 3.1 without a suitable mainboard. The compact adapter can be inserted directly and requires no additional attachments. Converter plug-in for the mainboard, Fits into any USB 3.0 header, Bundling in USB 3.1 with up to 10GBit / s Convenient accessory for case with USB 3.1 connector, The adapter is the perfect solution to use the USB 3.1 Type-E connectors. The small converter is plugged into a USB 3.0 header that provides two USB 3.0 lanes. The converter thus provides a full-fledged USB 3.1 port.
eBay
H1111Z HUB USB 2.0 USB 3.0 4 Port Front Panel USB3.0 Hub Splitter Internal Combo Bracket Adapter for Desktop 3.5 Inch Floppy Bay
Aliexpress UK
2pcs over,old USB 3.1 Front Panel Header Male to Female Type-E Motherboard Extension Data Adapter The package included one up angled and one down angled adapter. USB 3.1 require a different front panel header than USB 3.0. The USB 3.1 port interface is using the USB 3.0 pin set and more. It is design to be backwards compatible (will explain later). Connector1: Type-E male USB 3.1 Front Panel Header 10Gbps Connector2:Type-E Female USB 3.1 Front Panel socket 10Gbps.
eBay
USB Front Panel For PC 2 X USB 3.2 GEN1 5Gbps + 2 X TYPE-C Hub + 3.5Mm Headset+ TF/SD Slot For 5.25Inch Floppy Drive Bay
Aliexpress UK
Motherboard 20-Pin connector available for expanding USB 3.1 Type C port to PC case front panel. Plug and play, quick and easy installation. 1 Type E PCI-E to Type C Cable. Install the TYPE-C interface on the front of the computer case by connecting the TYPE-E interface.
eBay
1to2 9Pin USB Splitter Motherboard Extension Cable 1 Male to 2 Female Interface Header Adapter for PC Front Panel USB Connectors
Aliexpress UK
The material of the USB3.1 extension flat cable is soft and flat, easy to bend and fold. This facilitates the wiring of the computer case and saves more space. USB 3.1 Gen2 interface, the data transmission speed is twice that of USB 3.0, up to 10 Gbit/s.
eBay
USB 3.0 Front Panel for PC USB 3.1 Type C + 2x USB3.0 + 2x USB2.0 Hub + HD Audio 3.5mm + Earphone MIC for 5.25" CD-ROM Drive Bay
Aliexpress UK