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Slow Internet Speed on Intel® Killer™ E2600 Ethernet Controller

Content Type: Troubleshooting | Article ID: 000059939 | Last Reviewed: 08/11/2025

Description Resolution

Description

The customer experiences download speeds of less than 100 Mbps and upload speeds of 2 Mbps on a 200 Mbps download and 20 Mbps upload internet connection. The issue persists even when using a different router.

Resolution

Set the Connection Speed to 1 Gbps full duplex in the network settings to ensure optimal performance.
Disable Power Saving Mode to prevent automatic reduction in network speed.
Turn off Gigalite to avoid interference with high-speed connections.

Related Products

This article applies to 5 products.

Intel® Killer™ Ethernet E3100 2.5 Gbps Intel® Killer™ Ethernet E2600 Intel® Killer™ Ethernet E2500v2 Intel® Killer™ Ethernet E3000 2.5 Gbps Intel® Killer™ Ethernet Controller

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