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Old 03-09-2006, 12:49 PM   #1 (permalink)
Junior Techie
Join Date: Sep 2005
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Default Ram Speed Question

Can anyone explain to me what PC4200,PC3200,PC2700,PC2100 stand for, and it you have PC3200 ram, and i added a PC4200 stick of ram, does the PC4200 slow down to PC3200 and vice versa. thanks

Must be a computing error
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Old 03-09-2006, 01:08 PM   #2 (permalink)
Monster Techie
Join Date: Mar 2006
Posts: 1,533

basicly its a speed rating
2100 = DDR 266
2700 = DDR 333
3200 = DDR 400
3500 = DDR 433
3700 = DDR 466
4000 = DDR 500
4200 = DDR 533
4400 = DDR 550
4800 = DDR 600

as for the question yes it does slow to 3200 , also FYI buying a ddr higher then 3200 doesnt actually give you a better performance as no boards offically support higher then 3200, ddr higher then 3200 is good only for overclock it gives much more lets say "bandwidth" otherwise no need to buy it

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Old 03-09-2006, 01:14 PM   #3 (permalink)
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Join Date: Jul 2004
Posts: 2,932

Yep, the motherboard will only run the RAM at the speed of the slowest chips installed. If you put in a stick of 4200 with a stick of 3200, the motherboard will run the RAM at 3200.

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