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
1401
92
2,887.1
1,965.2
NA
1402
48
3,410.5
2,624.2
NA
1403
124
2,831.9
1,661.3
NA
1404
41
4,069.4
2,184.6
NA
1405
49
3,964.1
1,775.3
NA
1406
52
2,429.4
1,339.5
NA
1407
48
4,533.6
1,913.3
NA
1408
56
4,005.3
1,838.6
NA
1409
58
4,025.3
2,107.0
NA
1410
54
3,291.4
1,430.8
NA
1411
50
3,652.5
1,665.6
NA
1412
88
3,097.7
1,436.6
NA
1413
51
3,719.7
1,631.1
NA
1414
61
3,777.1
1,783.2
NA
1415
58
4,410.5
2,325.5
NA
1416
59
4,799.5
2,759.3
NA
1417
51
5,120.9
2,270.9
NA
1418
50
5,650.7
2,555.2
NA
1419
46
4,131.7
2,098.4
NA
1420
56
4,286.6
2,011.5
NA
Micron Technology 18HF25672FD667E1N6 1GB