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
1741
41
6,171.6
2,609.1
NA
1742
49
4,992.8
2,163.9
NA
1743
50
5,000.0
2,113.6
NA
1744
50
4,203.9
2,362.0
NA
1745
55
3,330.1
1,729.4
NA
1746
51
4,694.7
2,020.6
NA
1747
66
2,201.8
1,611.6
NA
1748
65
3,152.2
2,058.2
NA
1749
50
4,748.4
2,372.4
NA
1750
49
5,019.2
2,128.2
NA
1751
50
5,299.0
2,367.9
NA
1752
49
5,854.6
2,927.6
NA
1753
62
4,597.6
3,379.7
NA
1754
58
4,176.3
1,876.8
NA
1755
60
3,718.7
1,883.9
NA
1756
56
4,032.8
1,363.5
NA
1757
46
4,789.6
1,823.3
NA
1758
57
4,003.8
1,717.2
NA
1759
54
4,950.9
2,341.3
NA
1760
51
4,555.3
2,066.3
NA
OCZ OCZ2RPX10002G 2GB