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Newby Ram Question


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6 replies to this topic

#1 Dan Brewer

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Posted 21 June 2006 - 05:40 PM

I need to buy RAM for a Dell Latitude C640.
Would like 512 MB.

Dell.com wants to sell me a
200 pin SODIMM
PC2100/266 MHz
64 X 64
The description is "Standard SODIMM"

Crucial tells me I should use a
DDR PC2700
CL=2.5
UNBUFFERED
NON-ECC
DDR333
2.5V
64Meg x 64

Is there a difference between DDR and Standard?
NewEgg has an AllComponents 512MB 200-Pin DDR SO-DIMM
DDR 266 (PC 2100) for almost 1/2 the price of Crucial.

Thanks in advance for your help;
Dan

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#2 JPHarvey

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Posted 21 June 2006 - 07:30 PM

The RAM Dell has recommended is in fact DDR (as eluded to by the PC2100/266). The standard may refer to the fact that it is unbuffered and non-ECC. So it will work.
The RAM Crucial recommended is the same type, however it is faster (ie. PC2700/333). For info, the numbers "PC2100" and "PC2700" are supposed to refer to how fast the RAM can transfer data (ie. 2100MB/s) and the other numbers "266" and "333" are supposed to be the processing rate of the RAM in MHz... I think.
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#3 acklan

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Posted 21 June 2006 - 09:28 PM

What type of computing are you doing. Heavy gaming? Surfing and email?
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#4 dc3

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Posted 22 June 2006 - 01:51 AM

Hi Dan...Crucial may be a little higher in price, but it is some of the best out there. You could use cheaper RAM, but you would be getting what you pay for, I would stay with known companys like Crucial, Corsair, Kingston, GeIL.

As JPHarvey said, the PC2700 is faster than PC2100, but you should also be aware that if you mix the two modules the PC2700 will underclock to the speed of the PC2100, in other words, the faster module will only run as fast as the slower module if they are mixed.

Just out of curiosity, how much was Dell asking for their RAM?

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#5 tg1911

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Posted 22 June 2006 - 02:28 AM

Hi Dan...Crucial may be a little higher in price, but it is some of the best out there. You could use cheaper RAM, but you would be getting what you pay for, I would stay with known companys like Crucial, Corsair, Kingston, GeIL.

I have to agree with dc3, on this.
Whatever you do, don't buy "cheap" RAM.
This is one area where it's definitely, "You get, what you pay for".
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#6 Dan Brewer

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Posted 22 June 2006 - 05:57 AM

Thanks for all the great info.

I won't be using this laptop for any heavy duty processing. It's for word processing and other work related stuff.

Dell wants $78.29 for the RAM.
Crucial - $67
Newegg - $37 if I remember correctly.

Thanks again!
Dan

#7 pascor22234

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Posted 22 June 2006 - 02:25 PM

Just to add a thought, you'll find all the leading brands at Newegg and at the best prices, too. Also, read the reviews to get a good idea of a particular model's compatibility.




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