Slow internet speed using Killer Ethernet adapters

Affected Platforms:

• Latitude
• OptiPlex
• Precision Workstation
• Inspiron
• Vostro
• XPS
• G-Series
• Alienware

Maximize the speed of the wired connection on your Dell or Alienware computers equipped with the Killer E2400 or E2500 ethernet card.

Computers equipped with a Killer ethernet adapter may not reach maximum bandwidth over a wired connection.

Not Applicable

There is a speed limit option in the Killer Control Center software that you can adjust to solve this issue.

Here are the steps to change the speed limits:

• Open the Killer Control Center
• Click Settings on the left menu
• Click Set Bandwidth Limits (Figure 1)
• Set the upload and download speeds according to your connection then click Apply Settings (Figure 2)

Figure 1: (English Only) Killer Control Center Settings

Figure 2: (English Only) Killer Control Center Settings

If the problem persists, reference the articles below for additional troubleshooting steps:

• How to Perform a Clean Installation to Solve Most Intel Killer Performance Suite Issues
• Fix network connection issues in Windows
• Installing or Updating the Intel Killer Control Center