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
921
49
5,397.3
1,602.8
NA
922
48
5,422.0
2,134.5
NA
923
53
4,391.8
1,804.9
NA
924
44
6,181.5
1,892.9
NA
925
51
4,928.3
2,224.0
NA
926
47
5,827.0
2,652.8
NA
927
49
5,065.3
2,102.8
NA
928
84
4,105.8
2,160.3
NA
929
38
7,186.3
3,144.3
NA
930
52
4,594.7
2,329.2
NA
931
65
3,988.8
2,431.2
NA
932
77
3,872.0
2,279.6
NA
933
45
8,150.7
4,645.3
NA
934
60
3,995.9
2,173.8
NA
935
55
4,113.1
1,588.1
NA
936
68
4,291.4
2,139.0
NA
937
49
4,687.3
2,116.4
NA
938
73
2,464.8
1,620.7
NA
939
73
3,135.3
2,111.5
NA
940
77
3,976.7
2,777.0
NA
Kingston 16HTF25664AZ-800H1 2GB