Dual-channel memory or not?


T

Tim Mavers

I just purchased a Shuttle SB61G2 (XPC) that accepts dual-channel RAM. I
am not very
familiar with this type of RAM, so I want to find out if it FASTER RAM than
regular DDR, or it just allows more memory (per stick).

Since the SB61G2 only has 2 memory slots and I want to get 2GB in it, (of
the fastest memory I can--stable of course--not interested in overclocking).
What should I buy?

The shuttle site states that it will accept up to DDR400 and Dual Channel
DDR. Does this mean I can find Dual Channel DDR400 or something else?

Again, I am looking for the fastest memory I can get and have 2GB of RAM
(1GB per stick).

(BTW, the SB61G2 hasn't arrived yet, so I haven't looked at the board or
anything else)... It's due in tomorrow :)

Thanks,
 
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A

AJ

I just purchased a Shuttle SB61G2 (XPC) that accepts dual-channel RAM. I
am not very
familiar with this type of RAM, so I want to find out if it FASTER RAM than
regular DDR, or it just allows more memory (per stick).

Since the SB61G2 only has 2 memory slots and I want to get 2GB in it, (of
the fastest memory I can--stable of course--not interested in overclocking).
What should I buy?

The shuttle site states that it will accept up to DDR400 and Dual Channel
DDR. Does this mean I can find Dual Channel DDR400 or something else?

Again, I am looking for the fastest memory I can get and have 2GB of RAM
(1GB per stick).

(BTW, the SB61G2 hasn't arrived yet, so I haven't looked at the board or
anything else)... It's due in tomorrow :)

Thanks,
Any two same model/size sticks will run dual channel. It's a function
of the board. Some retailers match pairs and charge extra, but my
regular pairs(unmatched) get great Sandra benchmarks and run rock
solid.
 
T

Tim Mavers

AJ said:
Any two same model/size sticks will run dual channel. It's a function
of the board. Some retailers match pairs and charge extra, but my
regular pairs(unmatched) get great Sandra benchmarks and run rock
solid.
But what is dual-channel? I see some memory that costs a lot more, but
labeled dual-channel?
 
A

AJ

But what is dual-channel? I see some memory that costs a lot more, but
labeled dual-channel?
As far as I know it's a marketing rip off. Since everyone I know runs
it fine with two like sticks from the same manufacrurer. Dual channel
RAM is when the mobo supports reading 2 channels(sticks) at once. On
paper it doubles the memory clock speed. In real life it's good but
not that great.
 
S

Strontium

-
AJ stood up at show-n-tell, in (e-mail address removed),
and said:
As far as I know it's a marketing rip off. Since everyone I know runs
it fine with two like sticks from the same manufacrurer. Dual channel
RAM is when the mobo supports reading 2 channels(sticks) at once. On
paper it doubles the memory clock speed. In real life it's good but
not that great.
I don't believe your analysis is correct. What is doubled is the bandwidth,
not the clock speed. DDR400 running in either Dual, or Single, channel mode
is still running at 400MHz. It's a bandwidth issue, not clock speed. An
analogy would be AGP 4X vs AGP 8x. Do some homework.

 
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B

Bob Davis

You are correct. To reduce the dissemination of false information and
confusion, everyone should research and think before responding.
 
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