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8GB Kit vs 2 4GB Kits

yes, if you even plan on running 16GB as most boards only have 4 slots. if you dont then obviously go with the 2 4GB kits.
 
2 4GB Kits are $210

while

1 8GB Kit is $246

Any reason I should spend the extra money?

When I talked to the guy from G. Skill on the phone he told me the set of four were tested together and if you get two sets of two they should work but have not been tested together. So if you can afford the set of four you have the peace of mind they have been tested and can run together and if you get the two sets of two they should run good together...... hope that makes sense.

I could only afford the two 4 gig set and now have the second 4 gig set on my desk and need to install them..... I did get the Cas8 set though because the Cas7 was out of stock the first time I bought my memory. I can let you know how it goes if you want.
 
"It should be fine, but they're not tested together" doesn't sound like a super high level of confidence. Hmm...I'll guess I'll wait and see how it goes for you.
 
"It should be fine, but they're not tested together" doesn't sound like a super high level of confidence. Hmm...I'll guess I'll wait and see how it goes for you.

Is anyone else reading and looking at your links🙂

Anyway I just added the second 4 gig and they are working great together.
 
The only time you should worry about two sets of ram not being "exactly" the same is when you get into overclocking beyond their rated capacity - whether at higher clock speed than advertised, or tighter timings, or extra voltage, etc.

If you're not going to be pushing them that hard, then unmatched sets of the same rated timings/speeds will be fine.
 
I'm confused about those newegg links for 8GB vs 16GB kits.

The 8GB is 2 x 4GB DIMMs for $175.
The 16GB is 4 x 4GB DIMMs for $450.

The 16GB kit is $100 more than two of the 8GB kits??? In either case you're using 4 RAM slots. If the 16GB kit were a 2 x 8GB kit using only two slots, then I could understand a premium.
 
I'm confused about those newegg links for 8GB vs 16GB kits.

The 8GB is 2 x 4GB DIMMs for $175.
The 16GB is 4 x 4GB DIMMs for $450.

The 16GB kit is $100 more than two of the 8GB kits??? In either case you're using 4 RAM slots. If the 16GB kit were a 2 x 8GB kit using only two slots, then I could understand a premium.

its the manufacturer preying upon the consumer's fear of incompatibility

guess who helps produce/perpetuate that fear though 😛
 
its the manufacturer preying upon the consumer's fear of incompatibility

guess who helps produce/perpetuate that fear though 😛
Indeed. Early 2009 I saw tales on the net on how you must adjust voltage if you put 4 * 2GB (regardless of whether one kit of 4 or two kits of 2 each), or overall if you put over 4 GB to a board. I do presume that those tales were from P35-chipset era.

Then there was a fresh tale where 4*4GB simply did not work on P45-board. 3*4GB did, but the fourth was too much.

I had a different model of P45. I saw two kits of 2*4GB (DDR2, 800). Bought (~$350 total) and plugged in. No adjustments, no problems, 16GB in action just as the marketing tin says. (No OC though.)


As summary: a pre-tested kit of 4 might be just a "piece of mind" thing, or it might truly be the only thing that works sufficiently.
 
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