Corechip SR9900 USB2.0 to Fast Ethernet Adapter Drivers

By oemadmin on Last updated: Jul 3, 2025
Corechip SR9900 USB2.0 to Fast Ethernet Adapter Drivers
Device
Network & Wireless Cards
Manufacturer
Corechips
Model No.
R9900
DC1820
qts-lansr9900
CPU/Chipset(s)
CoreChips SR9900
Network Technology
10BASE-T
100BASE-TX
Interface/port(s)
8P8C modular connector (RJ45)
USB Type A
Operating System(s)
Windows 10 x64
Windows 10 x86
Windows 8.1 64bit
Windows 8.1 32bit
Windows 8 64bit
Windows 8 32bit
Windows 7 64bit
Windows 7 32bit
Windows Vista x64
Windows Vista x86
Windows XP x64 Edition
Windows XP 32bit

The should be no need to install drivers for the Corechip SR9900 it should pug into Windows 7 onward and work straight away. If you do need to install the driver manually you can they are below. These adapters are cheap sometimes $2 shipped from CN, so expect what you pay for, these are prone to failures.

These dongles are suspicious according to this article:

https://lcamtuf.substack.com/p/investigating-an-evil-rj45-dongle 

HWID(s)
USB\VID_0FE6&PID_9900

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