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
2281
47
5,693.6
2,522.6
NA
2282
49
4,881.4
2,103.5
NA
2283
55
3,478.3
2,021.2
NA
2284
103
2,146.6
1,221.0
NA
2285
60
2,611.8
1,789.4
NA
2286
106
3,081.1
2,119.2
NA
2287
60
3,203.5
2,510.6
NA
2288
79
2,925.4
2,121.4
NA
2289
93
3,082.1
2,086.0
NA
2290
66
3,292.7
2,364.1
NA
2292
80
1,853.0
1,482.7
NA
2293
102
2,248.9
1,357.6
NA
2294
50
4,052.7
1,840.8
NA
2295
50
4,490.9
1,825.8
NA
2296
80
1,981.7
1,480.8
NA
2297
50
3,854.8
1,279.2
NA
2298
53
3,538.2
1,544.0
$51.25 USD (2019-01-14)
2299
47
5,375.5
2,365.6
NA
2300
71
4,549.1
3,021.8
NA
SK Hynix HYMP512U72CP8-S6 1GB