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
861
59
4,091.8
2,381.0
NA
862
54
4,287.9
1,753.4
NA
863
43
5,668.9
2,357.8
NA
864
53
4,085.7
1,773.0
NA
865
50
4,354.9
1,752.3
NA
866
69
1,502.8
1,067.6
NA
867
42
4,329.6
1,003.1
NA
868
61
3,529.3
1,670.4
NA
869
48
4,474.9
1,874.4
NA
870
47
5,067.2
1,820.7
NA
871
54
3,680.1
1,346.6
NA
872
59
3,960.6
1,798.2
NA
873
55
3,355.2
1,562.9
NA
874
60
3,374.6
1,700.1
NA
875
71
3,273.6
1,335.1
NA
876
46
5,311.2
2,242.3
NA
877
54
4,390.6
2,275.0
NA
878
49
4,380.1
1,748.2
NA
879
66
2,830.5
1,524.5
NA
880
54
4,319.4
2,052.4
NA