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
461
67
3,849.2
2,138.7
NA
462
61
3,355.0
1,372.9
NA
463
59
4,009.6
1,703.3
NA
464
57
5,012.0
2,201.8
NA
465
59
3,714.4
1,713.6
NA
466
70
4,650.1
2,606.6
NA
467
77
2,631.4
1,546.2
NA
468
66
2,866.3
2,029.2
NA
469
55
4,435.4
1,805.4
NA
470
47
5,677.7
2,460.4
NA
471
70
2,298.7
1,392.8
NA
472
106
2,873.6
1,750.1
NA
473
85
2,894.7
2,059.3
NA
476
45
4,253.5
2,089.9
NA
477
67
2,433.4
1,331.3
NA
478
60
3,520.0
1,385.7
NA
479
49
3,180.1
1,338.6
NA
480
64
3,405.1
1,548.9
NA