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
1681
70
4,355.4
1,972.5
NA
1682
39
6,243.9
2,838.1
NA
1683
35
7,122.8
3,272.6
NA
1684
40
6,410.7
2,761.5
NA
1685
56
5,117.0
2,367.5
NA
1686
64
4,393.4
2,695.7
NA
1687
60
4,960.1
2,657.7
NA
1688
43
5,802.2
2,580.6
NA
1689
42
6,456.8
2,512.6
NA
1690
45
5,831.4
2,219.0
NA
1691
43
6,162.0
2,664.1
NA
1692
49
5,843.1
2,615.8
NA
1693
49
4,793.3
2,113.5
NA
1694
39
4,631.6
2,014.5
NA
1695
54
4,343.1
2,039.1
NA
1696
63
4,353.5
1,924.1
NA
1697
47
5,473.2
2,429.3
NA
1698
61
4,785.6
2,375.6
NA
1699
44
5,086.1
1,478.5
NA
1700
67
3,581.0
2,792.2
NA
OCZ OCZ2B1066LV2G 2GB