Slow Internet speed using Killer Ethernet adapters
Summary: The Killer Control Center software allows you to set a speed limit to your wired connection. Configuring a low value results in slower speeds when connected through a wired connection.
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This article does not apply to
This article is not tied to any specific product.
Not all product versions are identified in this article.
Symptoms
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.
Cause
Not Applicable
Resolution
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)
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| Figure 1: (English Only) Killer Control Center Settings |
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| Figure 2: (English Only) Killer Control Center Settings |
If the problem persists, reference the articles below for additional troubleshooting steps:
Affected Products
Inspiron, OptiPlex, Vostro, XPS, G Series, G Series, Alienware, Inspiron, Latitude, Vostro, XPS, Fixed Workstations, Mobile WorkstationsArticle Properties
Article Number: 000135709
Article Type: Solution
Last Modified: 15 Apr 2025
Version: 7
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