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
481
55
3,812.0
1,764.5
NA
482
56
4,057.9
1,853.6
NA
483
69
3,165.3
1,757.0
NA
484
68
2,775.1
1,701.5
NA
485
59
3,407.9
1,557.6
NA
486
71
3,028.1
1,585.0
NA
487
72
3,471.0
1,559.0
NA
488
69
4,213.3
2,345.8
NA
489
84
2,710.5
1,881.7
NA
490
49
4,133.0
1,993.8
NA
491
57
4,205.0
1,649.0
NA
492
50
5,255.1
2,413.7
NA
493
53
4,920.4
2,244.8
NA
494
98
2,618.4
1,815.8
NA
495
87
2,878.0
2,010.0
NA
496
58
3,403.7
2,067.2
NA
497
106
2,967.6
2,025.9
NA
498
55
3,509.0
1,441.0
NA
499
55
3,461.3
1,255.2
NA
500
72
4,887.1
3,257.0
NA
Elpida EBE11UD8AJUA-6E-E 1GB