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
2381
66
2,936.2
1,647.9
NA
2382
57
3,091.8
1,137.1
NA
2383
66
3,434.3
1,798.8
NA
2384
45
5,719.8
2,624.5
NA
2385
54
3,601.6
1,342.4
NA
2386
75
2,360.9
1,595.5
NA
2387
53
3,798.2
1,606.0
NA
2388
49
4,102.0
1,671.5
NA
2389
44
5,487.2
2,139.4
NA
2390
46
5,300.6
2,075.6
NA
2391
42
3,688.8
2,278.3
NA
2392
60
2,585.1
1,834.3
NA
2393
47
4,865.4
1,998.8
NA
2394
56
3,926.4
2,565.9
NA
2395
60
3,668.4
1,766.2
NA
2396
81
3,176.2
1,537.5
NA
2397
51
4,323.0
1,611.6
NA
2398
53
4,489.8
1,424.2
NA
2399
65
2,544.7
1,568.6
NA
2400
68
3,710.2
2,556.6
NA
takeMS International AG TMQ2GB264D083805EV 2GB