What does ddr4 RAM mean?

Related questions

1. Does SRAM need refreshing?
2. Can I put 1600MHz ram in a 1333MHz slot?
3. Does having more RAM make your computer faster?
4. Can you mix ddr4 RAM?
5. Can I mix ddr4 RAM?
6. Is upgrading to ddr4 worth it?
7. Is Sdram better than ddr4?
8. Is RAM speed important for gaming?
9. Can you use ddr3 and ddr4 at the same time?
10. Is ddr3 compatible with ddr4?

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