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
741
97
2,687.5
1,627.0
NA
742
124
2,847.0
1,817.2
NA
743
97
3,108.2
1,896.5
NA
744
90
2,988.8
2,036.2
NA
745
78
2,827.9
2,037.4
NA
746
98
3,033.7
2,054.7
NA
747
84
4,211.9
2,753.2
NA
748
97
2,696.6
1,939.7
NA
749
51
3,700.0
1,583.1
NA
750
53
3,686.4
1,614.1
NA
752
51
2,901.9
1,493.1
NA
753
50
3,641.0
1,650.0
NA
754
80
2,180.0
1,343.8
NA
755
51
3,614.7
1,687.0
NA
756
54
3,327.9
2,017.7
NA
757
57
2,766.3
1,937.1
NA
758
104
3,169.7
1,899.5
NA
759
57
2,837.2
1,863.2
NA
760
113
2,817.6
1,820.0
NA
Hynix Semiconductor (Hyundai Electronics) HYMP525F72BP4D2-Y5 2GB