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
421
55
4,107.8
1,697.1
NA
422
51
4,040.4
1,581.7
NA
423
67
3,011.3
1,559.0
NA
424
50
2,925.2
1,705.0
NA
425
58
3,890.6
2,070.7
NA
426
66
4,666.7
2,547.6
NA
427
56
3,587.7
1,820.3
NA
428
75
3,335.1
2,293.8
NA
429
75
2,629.1
1,531.1
NA
430
59
4,816.2
2,478.9
NA
431
59
4,833.0
2,290.6
NA
432
57
4,632.8
2,178.6
NA
433
46
5,213.0
2,395.5
NA
434
49
4,808.1
2,138.5
NA
436
52
4,707.6
2,068.1
NA
437
72
2,759.1
1,747.8
NA
438
65
3,244.4
1,518.0
NA
439
81
3,141.3
2,428.5
NA
Crucial Technology QD256M6416U68AS2J- 2GB