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
1121
68
3,967.3
1,693.4
NA
1122
55
4,069.2
1,506.3
NA
1123
51
4,577.6
1,998.3
NA
1124
62
4,489.1
2,391.2
NA
1125
67
3,986.7
2,405.5
NA
1126
60
3,354.1
1,332.0
NA
1127
69
2,870.9
1,129.1
NA
1128
80
3,089.0
1,153.9
NA
1130
52
3,772.6
1,580.3
$43 USD (2017-05-08)
1131
46
3,610.2
2,074.6
NA
1132
46
3,441.9
1,752.9
NA
1133
55
4,774.2
2,035.3
$78 USD (2017-05-22)
1134
52
4,622.4
2,033.6
$42.99 USD (2019-01-06)
1135
49
4,985.4
2,180.6
NA
1136
84
2,800.3
1,849.9
NA
1137
54
3,065.8
1,732.7
NA
1138
53
4,764.3
1,771.9
$79.67 USD (2019-01-30)
1139
87
2,604.5
1,450.5
NA
1140
71
1,646.5
1,229.2
NA
Kingston HP800D2N5/2G-H 2GB