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
161
52
3,635.2
1,425.8
NA
162
68
2,439.3
1,318.4
NA
163
59
3,914.4
1,531.6
NA
164
54
3,209.0
1,067.6
NA
165
52
4,129.0
1,737.7
NA
166
47
5,741.0
2,503.6
NA
167
52
3,726.7
1,827.0
NA
168
65
3,935.9
1,935.0
NA
170
53
4,771.7
2,144.7
NA
171
57
4,141.8
1,957.8
NA
172
55
4,466.1
2,166.4
NA
173
62
4,781.5
2,392.8
NA
174
53
5,962.7
3,251.1
NA
175
111
3,884.4
1,765.7
NA
176
48
5,242.2
2,546.3
NA
177
59
4,467.7
2,449.4
NA
178
51
4,170.5
1,956.7
NA
179
43
5,789.6
2,478.7
NA
180
56
4,617.1
2,480.8
NA
Apacer Technology 78.01GAR.AFL0C 1GB