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
981
56
3,273.9
1,558.0
NA
982
67
3,125.8
1,102.5
NA
983
65
3,557.8
2,316.0
NA
984
58
4,120.0
1,881.5
NA
985
54
4,821.1
2,248.6
NA
986
43
5,275.9
1,944.7
NA
987
39
6,703.8
2,674.6
NA
988
44
5,645.9
2,280.3
NA
989
69
3,886.4
2,080.1
NA
990
61
3,548.4
1,840.8
NA
991
71
4,896.2
3,101.0
NA
992
75
3,986.4
2,036.1
NA
993
58
4,276.1
2,130.0
NA
994
73
2,654.8
1,414.8
NA
995
50
4,536.1
1,568.2
NA
996
88
3,824.7
2,406.0
NA
998
56
3,262.7
1,096.4
NA
999
73
2,591.5
1,046.2
NA
1000
56
3,513.3
1,295.9
NA
Kingston 99U5316-017.A00LF 1GB