# Media Type Constants The types of networking media your driver supports. ## Topics ### Getting the Media Types [`kIOUserNetworkMediaEthernetAuto`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernetAuto) [`kIOUserNetworkMediaEthernetManual`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernetManual) [`kIOUserNetworkMediaEthernetNone`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernetNone) [`kIOUserNetworkMediaEthernet10BaseT`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet10BaseT) [`kIOUserNetworkMediaEthernet10Base2`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet10Base2) [`kIOUserNetworkMediaEthernet10Base5`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet10Base5) [`kIOUserNetworkMediaEthernet100BaseTX`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet100BaseTX) [`kIOUserNetworkMediaEthernet100BaseFX`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet100BaseFX) [`kIOUserNetworkMediaEthernet100BaseT4`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet100BaseT4) [`kIOUserNetworkMediaEthernet100BaseVG`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet100BaseVG) [`kIOUserNetworkMediaEthernet100BaseT2`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet100BaseT2) [`kIOUserNetworkMediaEthernet1000BaseSX`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet1000BaseSX) [`kIOUserNetworkMediaEthernet10BaseSTP`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet10BaseSTP) [`kIOUserNetworkMediaEthernet10BaseFL`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet10BaseFL) [`kIOUserNetworkMediaEthernet1000BaseLX`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet1000BaseLX) [`kIOUserNetworkMediaEthernet1000BaseCX`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet1000BaseCX) [`kIOUserNetworkMediaEthernet1000BaseT`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet1000BaseT) [`kIOUserNetworkMediaEthernetHomePNA1`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernetHomePNA1) [`kIOUserNetworkMediaEthernet10GBaseSR`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet10GBaseSR) [`kIOUserNetworkMediaEthernet10GBaseLR`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet10GBaseLR) [`kIOUserNetworkMediaEthernet10GBaseCX4`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet10GBaseCX4) [`kIOUserNetworkMediaEthernet10GBaseT`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet10GBaseT) [`kIOUserNetworkMediaEthernet2500BaseT`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet2500BaseT) [`kIOUserNetworkMediaEthernet5000BaseT`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet5000BaseT) [`kIOUserNetworkMediaEthernet1000BaseCX_SGMII`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet1000BaseCX_SGMII) [`kIOUserNetworkMediaEthernet1000BaseKX`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet1000BaseKX) [`kIOUserNetworkMediaEthernet10GBaseKX4`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet10GBaseKX4) [`kIOUserNetworkMediaEthernet10GBaseKR`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet10GBaseKR) [`kIOUserNetworkMediaEthernet10GBaseCR1`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet10GBaseCR1) [`kIOUserNetworkMediaEthernet10GBaseER`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet10GBaseER) [`kIOUserNetworkMediaEthernet20GBaseKR2`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet20GBaseKR2) [`kIOUserNetworkMediaEthernet25GBaseCR`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet25GBaseCR) [`kIOUserNetworkMediaEthernet25GBaseKR`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet25GBaseKR) [`kIOUserNetworkMediaEthernet25GBaseSR`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet25GBaseSR) [`kIOUserNetworkMediaEthernet25GBaseLR`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet25GBaseLR) [`kIOUserNetworkMediaEthernet40GBaseCR4`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet40GBaseCR4) [`kIOUserNetworkMediaEthernet40GBaseSR4`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet40GBaseSR4) [`kIOUserNetworkMediaEthernet40GBaseLR4`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet40GBaseLR4) [`kIOUserNetworkMediaEthernet40GBaseKR4`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet40GBaseKR4) [`kIOUserNetworkMediaEthernet50GBaseCR2`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet50GBaseCR2) [`kIOUserNetworkMediaEthernet50GBaseKR2`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet50GBaseKR2) [`kIOUserNetworkMediaEthernet50GBaseSR2`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet50GBaseSR2) [`kIOUserNetworkMediaEthernet50GBaseLR2`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet50GBaseLR2) [`kIOUserNetworkMediaEthernet56GBaseR4`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet56GBaseR4) [`kIOUserNetworkMediaEthernet100GBaseCR4`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet100GBaseCR4) [`kIOUserNetworkMediaEthernet100GBaseSR4`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet100GBaseSR4) [`kIOUserNetworkMediaEthernet100GBaseKR4`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet100GBaseKR4) [`kIOUserNetworkMediaEthernet100GBaseLR4`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernet100GBaseLR4) [`kIOUserNetworkMediaEthernetMask`](/documentation/NetworkingDriverKit/kIOUserNetworkMediaEthernetMask) --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)