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Increasing RAM memory help


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#1 macdadluke23

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Posted 23 October 2011 - 10:33 PM

I am planning to upgrade my pc to windows 7 home premium 64bit so I can go beyond 4gb of ram memory. I have Asus striker extreme nforce 680i sli motherboard and its specification for the memory part is: 4 x DIMM, Max. 8 GB, DDR2 800/667/533 Non-ECC,Un-buffered Memory Dual Channel memory architecture

My question is what does the 800/667/533 mean? Also I am looking at this Corsair Dual Channel TWINX 4096MB PC6400 DDR2 800MHz Memory (2 x 2048MB) and planning to buy 2 sets of them so i can have 8gb of memory I was wondering if I can use this on my motherboard

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#2 RB_Kandy

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Posted 23 October 2011 - 11:15 PM

My question is what does the 800/667/533 mean

Clock speed. Memory runs on hertz like a processor. So "800" would mean 800 megahertz, and since it's DDR memory, the data rate is doubled and the data transfer is is measured using "PC" I forget the math, but DDR2 800(MHz) is PC6400.
So when it specifies compatible memory as 800/667/533 it means any of those three speeds will work. The slashes "/" mean "or". So it's as if it were written 800MHz or 667MHz or 533Mhz
And yes, the "TWINX 4096MB PC6400 DDR2 800MHz Memory (2 x 2048MB)" you're considering will work with your motherboard. Enjoy your 8 gigs mate. And with all that extra RAM, you should google RAMdrive and have some fun playing around with it. I know when I get 8 gigs that's what I'm doing.

#3 macdadluke23

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Posted 24 October 2011 - 11:36 PM

Thanks RB kandy that helped me out alot.Also do you know if that is the max amount of ram(8gb) i can put on the motherboard

#4 killerx525

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Posted 24 October 2011 - 11:54 PM

The max is 8GB of ram, you can not go any further.

http://www.asus.com/Motherboards/Intel_Socket_775/Striker_Extreme/#specifications

>Michael 
System1: CPU- Intel Core i7-5820K @ 4.4GHz, CPU Cooler- Noctua NH-D14, RAM- G.Skill Ripjaws 16GB Kit(4Gx4) DDR3 2133MHz, SSD/HDD- Samsung 850 EVO 250GB/Western Digital Caviar Black 1TB/Seagate Barracuada 3TB, GPU- 2x EVGA GTX980 Superclocked @1360/MHz1900MHz, Motherboard- Asus X99 Deluxe, Case- Custom Mac G5, PSU- EVGA P2-1000W, Soundcard- Realtek High Definition Audio, OS- Windows 10 Pro 64-Bit
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#5 DJBPace07

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Posted 25 October 2011 - 03:51 PM

As you know, you will need a 64-bit OS to use 4GB or more of memory. This is a platform change, not an upgrade. You will need to do a clean install.

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#6 killerx525

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Posted 26 October 2011 - 02:09 AM

A clean install will basically delete everything on the hard drive.

>Michael 
System1: CPU- Intel Core i7-5820K @ 4.4GHz, CPU Cooler- Noctua NH-D14, RAM- G.Skill Ripjaws 16GB Kit(4Gx4) DDR3 2133MHz, SSD/HDD- Samsung 850 EVO 250GB/Western Digital Caviar Black 1TB/Seagate Barracuada 3TB, GPU- 2x EVGA GTX980 Superclocked @1360/MHz1900MHz, Motherboard- Asus X99 Deluxe, Case- Custom Mac G5, PSU- EVGA P2-1000W, Soundcard- Realtek High Definition Audio, OS- Windows 10 Pro 64-Bit
Games: APB: Reloaded, Hours played: 3100+  System2: Late 2011 Macbook Pro 15inch   OFw63FY.png


#7 thewall

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Posted 26 October 2011 - 09:01 PM

Clock speed. Memory runs on hertz like a processor. So "800" would mean 800 megahertz, and since it's DDR memory, the data rate is doubled and the data transfer is is measured using "PC" I forget the math, but DDR2 800(MHz) is PC6400.


To add a little more to what you said: The speed is either measured in MHz or PC rating. A PC rating is the measure of total bandwidth of data when it moves between the CPU and the module. You arrive at PC rating by multiplying the 8 byte(64 bit) data path times the MHz. In the case you cited it would be 8 X 800 which equals 6400. 500 MHz would be PC4000 and so on.
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