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
541
53
3,922.4
1,874.2
$78.99 USD (2019-08-01)
542
75
2,257.1
1,305.9
$17.3 USD (2019-06-07)
543
63
3,332.5
1,677.6
$16.42 USD (2019-06-06)
544
83
1,975.3
1,267.8
NA
545
46
4,952.0
2,221.8
NA
546
52
4,922.6
2,290.3
$23.99 USD (2013-09-27)
547
51
5,094.5
2,771.3
NA
548
51
5,794.3
2,613.5
NA
549
60
4,397.3
2,057.6
NA
550
54
5,307.8
2,368.7
$42.99 USD (2014-04-14)
551
59
4,936.5
2,839.8
$19.99 USD (2019-08-17)
552
69
2,909.1
1,471.1
$11.7 USD (2022-04-12)
553
58
4,775.2
2,343.6
$22.3 USD (2022-04-12)
554
64
5,141.5
2,845.2
NA
555
67
4,326.3
2,449.8
NA
556
58
5,354.5
2,463.9
$26.99 USD (2017-03-03)
557
56
4,166.0
1,714.9
$21.99 USD (2021-10-11)
558
63
3,810.5
1,807.1
$12.99 USD (2021-10-09)
559
56
4,167.5
2,395.8
$126 USD (2021-12-15)
560
54
4,956.7
1,903.8
NA
G Skill Intl F2-5300CL5-4GBSQ 4GB