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
341
57
3,932.4
1,682.0
$35.34 USD (2019-06-07)
342
50
5,535.6
2,226.7
$32.2 USD (2019-06-09)
343
47
5,328.1
2,221.6
$15.12 USD (2022-01-07)
344
49
4,345.9
1,871.0
$15.49 USD (2017-05-05)
345
54
4,194.0
1,408.5
NA
346
50
3,578.5
1,629.6
$52.35 USD (2013-04-30)
347
65
2,632.0
1,666.3
NA
348
58
2,930.7
1,678.7
NA
349
47
4,801.6
2,094.6
NA
350
59
3,857.8
1,686.4
NA
351
65
3,041.3
1,645.3
NA
352
55
4,232.2
2,232.2
$23.99 USD (2013-11-06)
353
44
3,672.3
2,134.5
NA
354
56
3,822.7
1,675.5
$18 USD (2021-10-28)
355
100
2,415.9
2,044.7
NA
356
58
4,441.0
2,112.7
NA
357
68
3,445.0
1,899.7
NA
358
77
3,895.4
2,561.5
$45.62 USD (2013-02-10)
359
54
4,448.1
2,339.1
NA
360
55
4,121.0
2,057.5
NA
Crucial Technology CT2G2S667M.M16FH 2GB