DDR2 Memory Modules
DDR2 increases the data transfer rate by a factor of 2 as compared to DDR. It has 240 pins on PCB (120 on each side)
№
Memory name
Latency (ns)
Read (MB/s)
Write (MB/s)
Price
641
55
4,596.2
2,019.9
NA
642
65
4,089.5
1,955.9
NA
643
90
2,699.0
1,140.4
NA
644
56
3,951.2
1,446.3
NA
645
55
4,583.8
2,166.5
NA
646
50
5,252.5
2,053.9
NA
647
62
4,300.5
1,814.3
NA
648
50
5,168.7
2,212.7
NA
649
57
4,671.5
2,312.6
NA
650
53
4,826.9
1,909.8
NA
651
57
2,767.1
2,140.5
NA
652
102
3,530.5
2,074.6
NA
653
118
3,100.8
2,137.1
NA
654
57
3,233.2
2,179.8
NA
655
111
2,276.2
1,038.7
NA
656
53
3,895.3
1,775.3
NA
657
102
2,937.8
1,921.8
NA
658
51
3,407.3
2,630.3
NA
659
91
3,019.9
2,038.2
NA
660
72
3,153.0
1,497.5
NA
Hynix Semiconductor (Hyundai Electronics) HMP112U6