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
661
66
3,234.7
1,433.1
NA
662
63
3,965.8
1,682.3
NA
664
58
4,295.7
1,992.4
NA
665
59
3,560.5
1,702.8
NA
666
60
3,813.5
1,755.7
NA
667
51
5,018.9
2,198.8
NA
668
49
4,842.4
2,101.8
NA
669
46
5,620.6
2,474.8
NA
670
59
3,054.9
2,440.6
NA
671
92
2,998.5
1,991.9
NA
672
102
3,114.3
2,330.9
NA
673
78
2,996.5
2,014.4
NA
674
96
2,856.3
1,887.1
NA
675
62
2,935.8
2,006.9
NA
676
54
3,489.7
1,495.5
NA
677
53
2,714.3
1,069.3
NA
678
66
2,629.9
1,205.3
NA
679
65
3,999.4
1,827.3
NA
680
65
3,580.8
1,592.0
NA
Hynix Semiconductor (Hyundai Electronics) HYMP112S64CP6-Y5 1GB