How long has ddr4 been out?

Related questions

1. Which RAM is better ddr4 or ddr5?
2. Can you use two different ddr4 RAM sticks?
3. When did ddr4 RAM come out?
4. What is ddr4 Sdram 8gb?
5. Is ddr5 compatible with ddr4?
6. Is ddr2 compatible with ddr4?
7. What is the difference between ddr2 and ddr4?
8. Is 1gb dedicated graphics good for gaming?
9. Will there be ddr5 RAM?
10. Is 1gb graphics card enough for GTA 5?

Tags

1. #development
2. #short
3. #supports
4. #second
5. #latest
6. #since
7. #predecessor
8. #generation
9. #years
10. #fourth
11. #million
12. #released
13. #dynamic
14. #installment
15. #before
16. #speeds
17. #transfers
18. #double