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
1381
53
3,960.7
1,618.9
NA
1382
71
3,671.4
2,006.5
NA
1383
66
3,842.8
1,569.9
NA
1384
60
4,111.2
1,648.2
NA
1385
79
3,881.0
2,290.3
NA
1386
61
4,621.2
2,328.0
NA
1387
66
4,519.0
2,220.2
NA
1388
65
2,863.6
1,439.0
NA
1389
55
4,079.0
1,469.2
NA
1390
66
4,043.0
1,601.8
NA
1391
65
4,268.2
1,728.8
NA
1392
58
3,418.4
2,068.5
NA
1393
112
3,109.7
1,836.0
NA
1394
115
2,821.1
2,190.6
NA
1395
101
3,532.8
2,108.5
NA
1396
57
3,090.8
1,966.9
NA
1397
63
2,564.7
1,996.5
NA
1398
57
3,436.8
2,046.7
NA
1399
65
3,264.9
2,477.9
NA
1400
110
3,172.2
1,974.7
NA
Micron Technology 16HTF25664HZ-800E1 2GB