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
1582
47
2,483.8
1,905.9
NA
1583
54
3,573.5
1,308.1
NA
1585
82
2,110.8
1,060.8
NA
1587
78
3,688.8
1,185.7
NA
1588
43
4,065.4
1,868.0
NA
1589
68
3,003.2
1,320.0
NA
1591
58
3,204.0
1,640.6
NA
1592
54
3,902.2
1,651.8
NA
1593
67
3,206.2
1,338.6
NA
1594
69
2,969.6
1,368.9
NA
1595
52
4,828.1
2,098.3
NA
1596
47
4,833.1
1,947.2
NA
1597
57
4,540.2
2,104.5
NA
1598
58
3,061.7
1,365.1
NA
1599
56
4,135.1
1,727.3
NA
1600
68
4,540.8
2,636.8
NA
Nanya Technology M2Y51264TU88A2B-3C 512MB