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
2201
69
3,740.4
2,345.8
NA
2202
67
5,313.7
3,350.9
NA
2203
77
1,936.5
1,458.3
NA
2204
54
4,468.4
2,010.7
NA
2205
75
3,327.6
1,685.7
NA
2206
51
4,257.0
1,808.7
NA
2207
57
3,513.3
1,596.5
NA
2208
45
5,835.2
2,528.0
NA
2209
76
4,650.2
3,013.5
NA
2210
83
4,263.1
2,581.5
NA
2211
52
4,850.6
1,904.4
NA
2212
77
2,936.9
1,884.0
NA
2213
98
2,614.2
1,843.3
NA
2214
53
15,021.8
9,962.9
NA
2215
123
4,591.6
2,367.8
NA
2216
49
5,196.2
2,173.8
NA
2217
68
4,591.0
2,117.0
NA
2218
78
3,322.4
1,492.9
NA
2219
56
3,950.4
1,643.1
NA
2220
61
4,448.3
2,042.4
NA