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RAM Speed


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#1 Derek Ellis

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Posted 28 February 2010 - 10:13 PM

I decided to buy some RAM for my System. I have a Dell Insprion 530s, running Windows 7 64 bit

I do know that RAM has speed, listed in MHz, and Capacity, listed in MB/GB

So, my system has currently 2GB (2x1GB) of PC2-5300 modules installed, running at 667mhz

Crucial.com says my system can handle PC2-6400, which runs at 800mhz.

I ordered 2GB (2x1GB) of the PC2-6400.

I don't know if i should "add" these to the empty slots (i have four RAM Slots total) or should i "replace" these and run at 800mhz. I do believe that the system will run at the slowest mhz speed i have installed.

So...should i go 4GB at 667 or 2Gb at 800?

Edited by Derek Ellis, 28 February 2010 - 10:14 PM.


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#2 keyboardNinja

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Posted 28 February 2010 - 10:29 PM

This is definitely more suitable for the Internal Hardware sub-forum, but I will give you an answer, nonetheless.

http://www.crucial.com/support/memory_speeds.aspx

It may seem confusing, but faster memory will not necessarily make your system faster. You can't speed up your computer by adding faster memory if any of the other components in your computer (your processor or other memory modules) operate at a slower speed.


If you need faster speed but not a large amount of RAM, use the faster 2GB. If you need extra RAM for heavy multi-tasking/gaming/etc, use all of them (fast 2GB and slow 2GB to total slow 4GB).

It all comes down to which you need/want more: speed or amount of available RAM. To be honest, you will probably not notice that much difference in speed anyway between the 667 and 800 MHz RAM. So, you probably would be better off just using all 4GB and let it run at the slow speed. Unless, that is, you want to spend some extra money on another 2GB of 800 MHz RAM.....but you probably don't want that. :thumbsup:

Does that answer your question? :flowers:
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#3 Derek Ellis

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Posted 28 February 2010 - 10:33 PM

Right now my system (looking at the task manager) is using 1.01 GB of RAM.

My system is two years old, and RAM has come down in price a lot. I will probably buy the remaining PC2-6400 modules in a few months.

#4 keyboardNinja

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Posted 28 February 2010 - 10:40 PM

Okie dokie! :thumbsup:
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#5 Derek Ellis

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Posted 28 February 2010 - 10:49 PM

i know i might not "need" the RAM right now, i would rather have my max RAM installed eariler, so in 5/6 years when i "do" need the RAM.
Hey my first Dell System (dimesion 8200) RAM was $250 each GB module! $100 for 4GB is not too bad.

#6 keyboardNinja

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Posted 28 February 2010 - 11:21 PM

Yeah, RAM is one of the cheapest and best upgrades you can do for a computer.

Enjoy Windows 7! :thumbsup:
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#7 the_patriot11

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Posted 01 March 2010 - 12:55 AM

What Derek is telling you is good advice, you can plug those memory modules in but they will only run at the slower speed. It will be more ram, which will improve multi tasking, but if you want sheer performance out of the modules youd be better off just replacing the two slower modules.

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Primary system: Motherboard: ASUS M4A89GTD PRO/USB3, Processor: AMD Phenom II x4 945, Memory: 16 gigs of Patriot G2 DDR3 1600, Video: AMD Sapphire Nitro R9 380, Storage: 1 WD 500 gig HD, 1 Hitachi 500 gig HD, and Power supply: Coolermaster 750 watt, OS: Windows 10 64 bit. 

Media Center: Motherboard: Gigabyte mp61p-S3, Processor: AMD Athlon 64 x2 6000+, Memory: 6 gigs Patriot DDR2 800, Video: Gigabyte GeForce GT730, Storage: 500 gig Hitachi, PSU: Seasonic M1211 620W full modular, OS: Windows 10.

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#8 keyboardNinja

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Posted 01 March 2010 - 12:58 AM

you can plug those memory modules in but they will only run at the slower speed. It will be more ram, which will improve multi tasking, but if you want sheer performance out of the modules youd be better off just replacing the two slower modules.

Exactly. :thumbsup:

Edited by keyboardNinja, 01 March 2010 - 12:59 AM.

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#9 the_patriot11

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Posted 01 March 2010 - 01:00 AM

what I meant was what keyboard is telling you im sorry, I misread the posts lol. I need sleep. . .

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Primary system: Motherboard: ASUS M4A89GTD PRO/USB3, Processor: AMD Phenom II x4 945, Memory: 16 gigs of Patriot G2 DDR3 1600, Video: AMD Sapphire Nitro R9 380, Storage: 1 WD 500 gig HD, 1 Hitachi 500 gig HD, and Power supply: Coolermaster 750 watt, OS: Windows 10 64 bit. 

Media Center: Motherboard: Gigabyte mp61p-S3, Processor: AMD Athlon 64 x2 6000+, Memory: 6 gigs Patriot DDR2 800, Video: Gigabyte GeForce GT730, Storage: 500 gig Hitachi, PSU: Seasonic M1211 620W full modular, OS: Windows 10.

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#10 keyboardNinja

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Posted 01 March 2010 - 07:11 AM

Haha...yeah, a lack of sleep can do that to you. No biggie. :thumbsup:
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#11 Derek Ellis

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Posted 01 March 2010 - 03:02 PM

Sleep is the human version of defragging a hard drive!

#12 keyboardNinja

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Posted 01 March 2010 - 03:14 PM

There ya go!! :flowers:

And don't forget cleaning out the temp files! :thumbsup:

Oh, and charging the battery, too. lol

Edited by keyboardNinja, 01 March 2010 - 03:15 PM.

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#13 the_patriot11

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Posted 01 March 2010 - 05:33 PM

lol

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Media Center: Motherboard: Gigabyte mp61p-S3, Processor: AMD Athlon 64 x2 6000+, Memory: 6 gigs Patriot DDR2 800, Video: Gigabyte GeForce GT730, Storage: 500 gig Hitachi, PSU: Seasonic M1211 620W full modular, OS: Windows 10.

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#14 Derek Ellis

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Posted 02 March 2010 - 08:11 AM

What i am going to do i have decided is to give each scenario a try.

My order should come in any day now. I am going to "replace" the modules, and use them for a few days. Then i will add the other two back in the other slots, and use for a few days as well. I will then see what i like best, for right now. Remember eventually i will be going 4GB at the 800mhz.

Also, does anyone know how to tell what the fastest speed my system can handle? Crucial says 800mhz, but i see on there as well that they sell 1066mhz as well.

#15 Derek Ellis

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Posted 02 March 2010 - 08:51 AM

And don't forget cleaning out the temp files! :thumbsup:


Hm..there are some "files" in my brain that are there permently...cant seem to delete them.

But there are others that i will lose them within 5 Min's.

If only i could do a complete Reinstall my the OS for my head....but i think that might kill me

Edited by Derek Ellis, 02 March 2010 - 08:53 AM.





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