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
1641
100
3,366.2
1,967.9
NA
1642
111
2,879.3
2,098.6
NA
1643
92
2,624.1
1,929.5
NA
1644
112
2,862.1
2,231.6
NA
1645
99
2,938.2
1,967.2
NA
1647
69
1,898.4
1,170.1
NA
1648
52
3,455.3
1,687.0
NA
1649
47
3,547.1
1,885.8
NA
1650
73
2,143.5
1,013.7
NA
1651
47
3,448.1
1,779.3
NA
1652
48
3,414.8
1,746.8
NA
1653
46
3,679.3
1,777.8
NA
1654
51
3,306.3
1,415.2
NA
1656
71
2,831.6
1,322.6
NA
1657
62
3,006.0
1,611.1
NA
1659
83
2,134.1
1,249.0
NA
Nanya Technology NT4GT72U4ND0BV-AD 4GB