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
561
58
5,239.2
2,764.8
$138.55 USD (2022-04-08)
562
55
4,664.9
1,831.2
$58.49 USD (2021-10-09)
563
61
3,422.5
1,568.2
NA
564
51
4,415.3
2,031.6
NA
565
40
6,547.7
2,931.5
NA
566
43
5,980.9
2,528.6
NA
567
50
5,659.9
2,492.0
NA
568
64
4,424.9
2,525.1
NA
569
51
5,155.5
2,537.5
$21.99 USD (2013-08-17)
570
45
6,336.8
2,935.8
NA
571
48
5,949.7
2,932.3
NA
572
50
5,846.0
2,597.9
$44.99 USD (2012-10-13)
573
72
4,730.2
2,781.6
NA
574
45
6,055.2
2,928.5
NA
575
49
5,527.1
2,488.0
NA
576
46
6,051.5
2,761.1
NA
577
41
6,165.9
3,146.5
NA
578
42
6,652.2
3,034.1
NA
579
43
6,465.2
2,960.1
NA
580
67
3,386.2
1,534.3
NA