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
2321
64
1,303.8
1,086.0
NA
2322
60
4,785.6
2,186.9
NA
2323
70
4,372.7
3,071.4
NA
2324
44
5,160.2
1,919.3
NA
2325
69
4,489.7
2,944.1
NA
2326
49
5,674.5
2,331.5
NA
2327
63
3,914.3
1,725.9
NA
2328
51
4,765.7
1,968.6
NA
2330
130
1,943.5
1,126.1
NA
2331
155
2,106.1
685.9
NA
2332
53
4,610.4
1,888.5
NA
2333
80
1,537.1
1,274.5
NA
2334
61
4,619.4
1,917.4
NA
2335
60
3,982.5
1,611.6
NA
2336
67
3,541.7
1,487.9
NA
2337
67
1,196.6
1,010.8
NA
2338
85
1,697.1
1,553.4
NA
2339
62
2,992.9
2,055.2
NA
2340
50
5,101.3
2,347.2
NA
Smart Modular SG564568FG8N6JFMFR 2GB