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
621
62
3,548.3
1,326.3
NA
622
51
5,015.3
2,066.7
NA
623
62
3,556.6
1,843.6
NA
624
56
3,872.6
1,712.5
NA
625
69
4,052.5
1,872.9
NA
626
59
4,940.8
2,325.7
NA
627
67
5,306.8
3,589.6
NA
628
72
5,367.7
3,703.0
NA
629
70
2,479.0
1,095.6
NA
631
51
4,134.4
1,403.5
NA
632
57
4,189.6
1,705.6
NA
633
57
4,292.7
1,800.4
NA
634
56
3,957.1
1,401.4
NA
635
106
3,210.0
1,746.7
NA
636
102
2,665.8
2,017.5
NA
637
111
2,898.8
2,224.4
NA
638
70
3,613.0
1,865.9
NA
639
73
1,861.6
1,246.1
NA
640
65
1,366.1
1,275.3
NA