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
121
48
4,701.3
2,036.9
NA
122
55
5,126.3
2,470.0
NA
123
72
5,357.9
3,253.3
NA
124
46
2,476.6
1,825.4
NA
125
103
1,795.2
1,219.1
NA
126
67
2,797.3
1,651.3
NA
127
50
4,249.7
1,430.2
NA
128
73
2,810.5
1,727.9
NA
130
56
4,983.0
2,291.6
NA
131
58
5,144.5
3,153.7
NA
132
58
4,387.2
2,392.5
NA
133
60
4,965.3
1,942.0
NA
134
79
1,801.3
1,474.2
NA
135
88
3,292.7
2,151.2
NA
136
67
2,596.4
1,716.3
NA
137
50
5,249.8
2,110.3
NA
138
49
4,654.6
2,072.5
NA
139
49
4,134.4
1,901.4
NA
140
52
4,271.9
1,837.7
NA