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XPS 420 RAM UPGRADE

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Anonymous
April 26, 2010 8:27:30 AM

Hello, I have a DELL XPS 420 with 4GB ram, have recently upgraded OS to Windows 7 64bit as the 32bit was running sluggish, I am thinking of upgrading to 8GB but am totally confused after reading many blogs. Anyone know the best RAM to purchase that will suffice my problem and roughly how much this will cost? Thanks Paul Williamson

More about : xps 420 ram upgrade

April 26, 2010 9:02:29 AM

Your mobo supports up to 8GB 667/800 MHz Dual Channel DDR2 SDRAM.

http://support.dell.com/support/edocs/systems/xps420/en...

The best thing that you can do is open the case and buy the same modules (to avoid any incompatibility problem).

Anyway, here you have some options.

G.Skill 2x2GB DDR2-800 F2-6400CL4D-4GBHK 4-4-4-12 1.9V

Corsair TWIN2X4096-6400C5 4GB (2x2GB) DDR2-800Mhz CAS 5-5-5-15 (1.9V)


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April 26, 2010 2:39:38 PM

Best thing to do is go to Crucial.com and use thier memory configurator.
They gaurantee compatibility.
April 26, 2010 3:08:50 PM

delluser1 said:
Best thing to do is go to Crucial.com and use thier memory configurator.
They gaurantee compatibility.


Crucial dixit: http://www.crucial.com/store/listparts.aspx?model=XPS%2...
Guaranteed-compatible memory: 1,8V and 2,0V memory modules ?????????
If you install 1,8v modules is not possible to install 2,0V. If you have installed 2,0v modules and you install 1,8V, the first ones won't work if you set 1,8V in bios, and you can damage the second ones if you set 2,0V. So, firstly, He must see the voltage of his modules before buy anything.
April 26, 2010 8:29:49 PM

Dell uses 1.8 v ram.
No, you can't make voltage changes in the XPS420 bios.
And yes, it is possible to install 2.0v ram with Dell's 1.8 v modules.
April 26, 2010 8:32:40 PM

delluser1 said:
Dell uses 1.8 v ram.
No, you can't make voltage changes in the XPS420 bios.
And yes, it is possible to install 2.0v ram with Dell's 1.8 v modules.


Those 2.0v modules won't run if you give them only 1,8v. That is not possible. the only option is to decrease the fequency.
April 27, 2010 5:11:26 AM

Henry Chinaski said:
Those 2.0v modules won't run if you give them only 1,8v. That is not possible. the only option is to decrease the fequency.

Well then, I have no idea how I was able to run 2.1v Ballistix in mine, must have been magic.
April 27, 2010 9:46:15 AM

If the frecuency didn't decrease, the mobo increased the voltage to the 1,8V modules to be able to run the 2,1V ones, which is no good.
Could you tell me which is the actual voltage for the RAM in your computer?
April 27, 2010 1:00:42 PM

No the frequency didn't increase, I didn't say that it did. The voltage didn't increase either.
Get CPU-Z , open up the SPD tab,take a look at Jedec specs for the ram, at lower voltage it will run slower.


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