DDR2 内存模块
与DDR相比,DDR2将数据传输速率提高了2倍。它在PCB上有240个引脚(每侧120个)。消费为1.8V。时钟频率从400 MHz到800 MHz不等。 DDR2存储器的最大频率为1000 MHz。
№
Memory name
Latency (ns)
Read (MB/s)
Write (MB/s)
Price
881
60
3,791.6
2,003.6
NA
882
60
4,183.9
2,098.3
NA
883
62
4,337.5
1,961.0
NA
884
63
3,626.8
1,943.2
NA
885
57
4,456.3
2,141.2
NA
886
56
3,729.6
1,601.5
NA
887
60
4,077.4
1,949.1
NA
889
53
4,753.1
2,254.2
NA
890
50
4,202.2
1,766.0
NA
891
57
4,322.0
2,168.8
NA
892
50
4,552.8
1,993.7
NA
893
47
5,411.7
2,452.3
NA
894
46
5,356.6
2,490.4
NA
895
54
3,933.5
1,905.2
NA
896
51
5,359.4
2,631.8
NA
897
53
4,683.6
2,112.2
NA
898
56
5,098.2
2,611.7
NA
899
75
4,428.9
2,380.2
NA
900
40
5,460.1
2,027.5
NA