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
1981
59
3,969.7
1,771.1
NA
1982
62
3,897.7
2,014.3
NA
1983
66
2,913.4
1,352.6
NA
1984
64
2,741.7
1,687.0
NA
1985
99
1,832.2
1,022.6
NA
1986
53
4,277.0
1,408.5
NA
1987
56
3,481.4
1,325.7
NA
1988
67
3,166.0
1,376.4
NA
1989
60
3,766.1
1,679.8
NA
1990
69
4,184.6
1,715.5
NA
1991
76
2,010.7
1,137.8
NA
1992
76
3,648.3
1,680.8
NA
1994
66
3,816.4
1,789.9
NA
1995
78
3,671.2
2,373.1
NA
1996
87
3,588.6
1,835.2
NA
1997
55
4,098.0
1,622.4
NA
1998
83
3,628.7
2,544.8
NA
1999
81
1,960.6
1,160.4
NA
2000
60
3,720.6
1,539.4
NA