VMX may refer to:

Computing

• Virtual Machine Extensions, instructions on processors with x86 virtualization
• AltiVec, a floating point and integer SIMD instruction set called VMX by IBM
• vMX 3D, an Ethernet router in the Juniper MX-Series by Juniper Networks
• .vmx, a filename extension for virtual machine configuration files used by VMware

Other uses

• Vintage motocross
• VMX (TalkTalk), an on-demand music television service
• VMX (Voice Message Exchange), a voicemail company

This disambiguation page lists articles associated with the title VMX.
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