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
2261
61
3,082.4
1,932.1
NA
2262
64
3,005.5
1,925.3
NA
2263
61
2,949.0
1,999.6
NA
2264
79
3,505.1
2,033.7
NA
2265
84
2,974.3
2,015.3
NA
2266
74
2,979.5
2,168.3
NA
2267
88
3,000.0
1,544.2
NA
2268
101
1,124.1
359.5
NA
2269
54
3,482.7
1,617.4
NA
2270
68
3,554.9
1,670.7
NA
2271
83
1,752.6
1,527.9
NA
2272
57
3,478.8
1,017.3
NA
2273
47
4,765.4
2,066.6
NA
2274
49
4,045.4
1,589.1
NA
2275
61
4,463.6
1,775.3
NA
2276
54
4,204.8
2,228.5
NA
2277
46
5,172.8
2,089.4
NA
2278
63
3,895.6
1,583.7
NA
2279
49
4,072.5
1,945.6
NA
2280
61
3,484.4
1,052.3
NA
SK Hynix HYMP512A72CP8D3-Y5 1GB