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
841
64
2,893.9
1,539.2
NA
842
49
4,192.0
1,733.6
NA
843
60
3,649.3
1,648.5
NA
844
65
3,334.4
1,228.0
NA
845
62
3,316.7
1,518.3
NA
846
55
3,909.6
1,307.5
NA
847
55
4,139.2
1,766.9
NA
848
68
2,996.5
1,314.0
NA
849
57
4,252.2
1,895.7
NA
850
52
3,987.5
1,757.3
NA
851
79
2,909.1
2,015.1
NA
852
55
4,637.6
2,347.2
NA
853
55
3,899.3
1,611.1
NA
854
51
3,573.6
1,741.0
NA
855
54
2,967.3
1,155.9
NA
857
70
2,306.5
1,357.0
NA
858
46
4,003.8
2,150.1
NA
859
56
4,011.8
2,007.9
NA
860
53
3,980.1
1,752.5
NA
Kingmax Semiconductor KLCD48F-A8KB5 1GB