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
701
90
2,664.5
1,858.1
NA
702
95
3,009.4
2,550.7
NA
703
51
3,937.3
1,684.0
NA
704
52
3,330.6
2,608.4
NA
705
93
2,600.4
1,667.1
NA
706
101
2,842.6
2,036.2
NA
707
91
3,212.7
1,849.5
NA
708
150
2,077.3
1,359.9
NA
709
79
3,376.7
1,903.6
NA
711
76
2,874.6
1,945.1
NA
712
108
3,301.1
1,941.0
NA
713
110
3,319.3
2,468.7
NA
714
88
3,001.7
1,977.4
NA
715
78
4,552.2
3,218.1
NA
716
50
3,374.9
1,605.6
NA
717
55
3,189.0
1,608.0
NA
718
61
2,947.0
1,431.1
NA
719
68
3,154.4
1,419.7
NA
720
69
2,699.8
1,192.9
NA