(Redirected from CR4 (disambiguation))
CR4 may refer to:
Science and technology
- CR4, a complement receptor in the immune system
- CR4, a control register in the x86 CPU architecture
- 100GBASE-CR4 and 40GBASE-CR4, in 100 Gigabit Ethernet and 40 Gigabit Ethernet
- CR4, four-firm concentration ratio, a measure of market concentration in economics
- CR4, a postcode district in the CR postcode area in England
|This disambiguation page lists articles associated with the same title formed as a letter-number combination.
If an internal link led you here, you may wish to change the link to point directly to the intended article.