X4
From Wikipedia, the free encyclopedia
X4 or X-4 may be:
- The Honda X-4, a Japanese motorcycle
- Mega Man X4, a video game for the PlayStation and Sega Saturn
- T cell tropic HIV are termed X4
- X-4 Bantam
- Ruhrstahl X-4
- A common name for petroleum ether
- A four-lane PCI Express slot
- The Norteños street gang