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
2481
59
3,706.6
1,361.0
NA
2482
78
2,224.7
1,381.2
NA
2483
56
3,173.6
1,748.7
NA
2484
76
3,048.5
1,261.6
NA
2485
49
4,646.6
1,992.3
NA
2486
49
5,487.3
2,118.0
NA
2487
66
2,707.8
1,598.0
NA
2489
64
2,269.2
1,148.1
NA
2491
96
1,782.8
1,141.7
NA
2492
63
2,092.9
1,155.2
NA
2493
65
2,724.0
1,330.1
NA
2494
94
3,248.0
2,310.4
NA
2495
89
3,124.6
2,453.5
NA
2496
48
3,315.5
1,445.9
NA
2497
47
4,130.1
1,799.7
NA
2498
48
5,509.9
2,201.8
NA
2499
59
5,795.7
3,801.3
NA
2500
47
4,988.6
1,776.3
NA
Transcend Information TS64MSQ64V6J 512MB