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
141
61
2,847.8
2,138.2
NA
142
53
4,658.3
2,271.6
NA
143
64
2,662.7
1,783.2
NA
144
66
2,976.9
1,241.7
NA
145
66
3,449.1
1,193.7
NA
146
56
3,268.4
1,175.0
NA
147
88
2,031.8
1,375.2
NA
148
54
2,710.2
1,131.7
NA
149
52
3,682.4
1,452.9
NA
150
49
4,412.4
1,794.2
NA
151
55
3,875.2
1,723.6
NA
152
56
4,090.8
1,561.9
NA
153
48
3,118.2
1,449.2
NA
154
55
3,662.6
1,763.9
NA
155
64
4,207.9
1,923.1
NA
156
50
4,837.2
2,107.1
NA
157
77
2,241.0
1,191.8
NA
158
51
4,005.8
1,620.0
NA
159
50
4,613.4
1,944.1
NA
160
51
3,242.3
1,487.8
NA
Apacer Technology 78.01G9I.9K4 1GB