Networking Connectivity
Network Connectivity
Twisted Pair cable categories supported by Intel® Ethernet Connections

This table describes the minimum Unshielded Twisted Pair* (UTP) & Shielded Twisted Pair (STP) cable Category (CAT) specifications required to connect at a given speed. It also lists the recommended Twisted Pair cable category and other categories supported by Intel® Ethernet Adapters and LAN on Motherboards (LOM) connections that use RJ45 connectors.

To connect at:

Connection Speed

Minimum Cable Category

Recommended Cable Category

Other Supported Cable Category(s)

10 Mbps

CAT 3*

CAT 5 or greater

CAT 5, CAT 5E*, CAT 6 or CAT 6a*

100 Mbps

CAT 5

CAT 5 or greater

CAT 5E, CAT 6 or CAT 6a

1 Gbps

CAT 5

CAT 5E or greater

CAT 5E, CAT 6 or CAT 6a

10 Gbps

CAT 6

CAT 6a

CAT 6a


Mbps = Megabits per second (1,000,000 bits/sec)
Gbps = Gigabits per second (1,000,000,000 bits/sec)

Note Not all Intel® Ethernet Connections support all connection speeds. See your product's specifications to verify the connections speeds supported by your product.

This applies to:

Intel® 10 Gigabit AT Server Adapter
Intel® Ethernet Server Adapter I210-T1
Intel® Ethernet Server Adapter I340-F4
Intel® Ethernet Server Adapter I340-T4
Intel® Ethernet Server Adapter I350-F2
Intel® Ethernet Server Adapter I350-F4
Intel® Ethernet Server Adapter I350-T2
Intel® Ethernet Server Adapter I350-T4
Intel® Gigabit CT Desktop Adapter
Intel® Gigabit ET Dual Port Server Adapter
Intel® Gigabit ET Quad Port Server Adapter
Intel® Gigabit ET2 Quad Port Server Adapter
Intel® PRO/100 Intelligent Server Adapter
Intel® PRO/100 ISA Adapter
Intel® PRO/100 M Desktop Adapter
Intel® PRO/100 S Desktop Adapter
Intel® PRO/100 S Dual Port Server Adapter
Intel® PRO/100 S Management Adapter
Intel® PRO/100 S Server Adapter
Intel® PRO/100 Smart Adapter
Intel® PRO/100 VE Desktop Adapter
Intel® PRO/100 VE Network Connection
Intel® PRO/100 VM Network Connection
Intel® PRO/100+ Adapter
Intel® PRO/100+ Dual Port Server Adapter
Intel® PRO/100+ Management Adapter
Intel® PRO/100+ Server Adapter
Intel® PRO/1000 CT Network Connection
Intel® PRO/1000 GT Desktop Adapter
Intel® PRO/1000 GT Quad Port Server Adapter
Intel® PRO/1000 MT Desktop Adapter
Intel® PRO/1000 MT Dual Port Server Adapter
Intel® PRO/1000 MT Quad Port Server Adapter
Intel® PRO/1000 MT Server Adapter
Intel® PRO/1000 PM Network Connection
Intel® PRO/1000 PT Desktop Adapter
Intel® PRO/1000 PT Dual Port Server Adapter
Intel® PRO/1000 PT Quad Port Low Profile Server Adapter
Intel® PRO/1000 PT Quad Port Server Adapter
Intel® PRO/1000 PT Server Adapter
Intel® PRO/1000 T Desktop Adapter
Intel® PRO/1000 T Server Adapter
Intel® PRO/1000 XT Low Profile Server Adapter
Intel® PRO/1000 XT Server Adapter
Intel® PRO/100B Adapter

Solution ID: CS-030317
Last Modified: 30-Apr-2014
Date Created: 16-Mar-2009
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