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
1781
37
6,994.0
3,115.8
NA
1782
64
2,330.8
1,457.0
NA
1783
72
3,049.4
1,756.3
NA
1784
61
4,238.3
2,093.5
NA
1785
48
5,051.3
2,192.9
NA
1786
44
4,254.8
1,577.4
NA
1787
68
5,120.0
3,125.8
NA
1788
52
4,890.7
2,478.6
NA
1789
53
4,979.9
2,450.7
NA
1790
58
5,289.2
2,975.6
NA
1791
46
5,106.4
1,681.4
NA
1792
43
5,714.8
1,906.7
NA
1793
49
5,586.0
2,434.2
NA
1794
44
5,667.6
1,864.5
NA
1795
50
4,113.1
1,900.8
NA
1796
80
2,223.5
1,414.8
NA
1797
48
3,096.5
1,477.6
NA
1798
76
3,233.6
1,650.8
NA
1799
62
3,467.8
1,459.1
NA
1800
50
5,014.6
2,195.7
NA
Patriot Memory (PDP Systems) 9600EL Scries 1GB