USB to standard 9-pin / DB9 serial port. - Supports RS232 serial interface. - Cable Length: 0.8M (approx.).
eBay
3-in-1 USB HUB USB 3.0 Adapter USB Docking Station USB Splitter Extender OTG Adapter 5Gbps High Speed for PC Laptop Macbook
Aliexpress UK
Solve your motherboard’s USB expansion needs with thishigh-performance 9-pin USB header splitter, designed to double your internal USB 2.0 connections effortlessly. 🔌USB 2.0 9-Pin Header Splitter – Double 9-Pin Internal USB Adapter.
eBay
USB C To USB Adapter, USB C Male To USB 3.0 Female Adapter OTG Converter Compatible With MacBook Pro 2019/2018/2017 And More Typ
Aliexpress UK
One connect to motherboard 9pin port, split to 2x 9-Pin. USB 2.0 9 Pin Splitter Motherboard USB 9 Pin 1 To 2 Extension Adapter 9 Pin USB HUB USB2.0 Connectors For RGB Lamp Fan. Type: USB 9 Pin Header.
eBay
USB Type C Male to USB Female Cable Adapter USB-C To USB OTG Adapter Cable OTG Cable Converters For Xiaomi Samsung MacBook Pro
Aliexpress UK
Connector Type: Style A is USB 2.0 9 Pin to USB 3.0 19 Pin, Style B is USB 3.0 19 Pin to USB 2.0 9 Pin. Style A: USB 2.0 9 Pin Male to USB 3.0 19 Pin Female. Style B: USB3.0 19 Pin Male to USB 2.0 9 Pin Female.
eBay
Multi-functional USB data cable storage box, cable kit with multiple USB charging adapters, USB to C-type USB adapter
Aliexpress UK
9-Pin USB C to Type C Magnetic OTG Adapter PD240W USB C Fast Charging Data Converter for iPhone 15 16 MacBook Pro Samsung Xiaomi. Model Number :240W USB C to Type C Magnetic Adapter. semi_Choice :yes.
eBay
USB Splitter USB Extension Cable USB Male to 3 USB Female Adapter Multiple USB Port USB 1 Male to 3 Female Power Cord
Aliexpress UK
Features: Brand new and high quality Full compliance with USB2.0 specification.Support RS232 serial interface. Supports automatic handshake-mode.Supports wake-up and intelligent power managements. Provides dual-buffer for upstreams and downstreams data transfer. Strong material ensures strength and durability for long lasting usage. Replaces old/broken/crack/damaged/bad adapter. Specifications: Material:ABS Color:Black Package Includes: 1x USB 3.0 to RS232 9 Pin Adapter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.
eBay
USB 3.0 Adapter Type C To USB 3.0 Adapter for Mobil Phone Male USB To Female Type C Converter USB Type-C Converter for PC Laptop
Aliexpress UK
One connect to motherboard 9pin port, split to 2x 9-Pin. USB 2.0 9 Pin Splitter Motherboard USB 9 Pin 1 To 2 Extension Adapter 9 Pin USB HUB USB2.0 Connectors For RGB Lamp Fan. 1x Motherboard USB 9 Pin 1 To 2 Extension Adapter.
eBay
Usb to Micro USB Mini USB Adapter Converter Usb Male Female Converter 480Mbpsfor Phone Tablet Camera Charging Adaptor
Aliexpress UK
USB 3.0 20 pin female: to connect motherboard. USB 2.0 9 pin male: to connect USB 2.0 devices. We do not provide pick-up service.
eBay
USB 3.2 Digital Display Adapter 10Gbps USB Male TO USB Female Converter Fast Charging Data Transafer USB C Adapter For PC Laptop
Aliexpress UK