Double Data Rate 3 (DDR3) is a type of DRAM (dynamic random-access memory) used in computers

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Is a DDR3 MB compatible with DDR2 RAM?

If a motherboard's specifications say it supports DDR3 SDRAM sticks, would I be correct to assume it is also compatible with DDR2 RAM? Am I wrong, or does it depend on the motherboard?
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4answers
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CPU-Z says my PC3-10600 1333MHz RAM is actually PC3-10700 667MHz. Do I have 1333 or 667 MHz RAM?

CPU-Z says this: DDR3 4096 MBytes PC3-10700 (667 MHz) I am supposed to have PC3-10600 1333MHz. What am I not understanding? Or, is my RAM only half of what the label and seller claims it to be? ...
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5answers
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3GB of RAM showing up as 2GB

Last year I built a Core i7 920 system based on the ASUS P6T Deluxe motherboard. I have 3x1GB of DDR3 (triple-channel configuration), but only 2GB is being reported by: Windows XP, CPU-Z, the BIOS. Is ...
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1answer
783 views

Combining multiple DIMMs in one memory channel

Every electronics engeneer knows that connecting more chips on the same line increases its capasistence and, thus, degrades the frequency. So, memory speed must be dependent on the number of chips in ...
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1answer
145 views

Upgrading RAM to 8 GB – use 2×2 GB or 4 GB?

I have a motherboard with four RAM slots. I already installed 4 GB (2×2GB, 1333) of the same RAM type (dual channel) and I want to upgrade RAM to 8 GB – so what is the better option to upgrade to? ...
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5answers
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Memory upgrade to 8GB on unibody MacBook

I bought the 13" unibody MacBook one month prior to it's upgrade to become the new improved 13" unibody MacBook Pro (with unopenable battery compartment, extra 3 hours of battery life, more color ...
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4answers
1k views

Is DDR3 worth it? [closed]

I'm looking at some of the gaming PC's on NCIX.com and the ones that support DDR3 are at least about $400 more than the most expensive DDR2 PC's(when other factors are ignored). Is it worth upgrading ...
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2answers
714 views

6 x 2048 faster than 3 x 4096 DDR3 triple channel memory modules?

Considering same timings, brand and technology triple channel RAM memory modules would: 6 x 2048 MB modules be faster than 3 x 4096 MB modules ?
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1answer
211 views

Should we expect DDR3L RAM to work on the Intel first-gen Core i3 platform?

I have a 4 GiB DDR3 RAM, a 4 GiB DDR3L RAM, and a laptop with an Arrandale-based Intel Core i3 CPU and an Intel HM55 chipset. The DDR3 RAM works fine on both Linux (Ubuntu 12.04 64-bit) and Windows ...
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1answer
727 views

Different RAM voltage

on my PC I have 2 kingston RAMs. The only difference is that one runs at 1,35V, the other at 1,5. As you can see frequency, latency and others doesn't change. My motherboard is an Asus ...
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1answer
2k views

Do DDR3 modules come in sizes greater than 2GB?

The standard answer to how much RAM i can install in my Acer Aspire One D255 is "2 gigs" and the standard reason given is "because it only has one RAM slot". Does this mean DDR3 RAM modules only go up ...
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2answers
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How to find out RAM speed

I was in a shop today and wanted to know the speed of the installed DDR3 RAM. The assistant went to Task Manager > Performance and under the memory tab it said 800MHz. He said this means it's 1333MHz. ...
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1answer
108 views

Mixing different RAM voltages and speeds

I have 8 GB of Kingston's DDR3 1333 MHz 1.5 V memory installed in my PC. Can I mix it with Kingston's DDR3 1600 MHz 1.65 V memory? I have an Asus P8P67 Rev. 3.0 motherboard, am I able to overvoltage ...
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1answer
1k views

If a motherboard support 4GB DDR3 module, does it mean it can support 8GB modules? [duplicate]

Possible Duplicate: What limits a motherboard from supporting more memory? I have noticed, that 8Gb RAM modules finally appeared in the desktop market. Also most of the new motherboards ...
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1answer
1k views

Do these memtest86 results indicate a defective memory module?

I just ran memtest86 and I received these results (the picture is from the 4th test of the second pass): Obviously something really bad is happening. I guess that red row should not be there. Also ...
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2answers
199 views

Does the amount of RAM have an impact on performance?

Can anyone tell me how much difference there would be between a 3 GB DDR3 RAM and a 2 GB DDR3 RAM, performance wise. And can we, based on performance, compare to any DDR2 RAM's
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1answer
324 views

Semi-Hybrid Triple Channel DDR3

I have 3 x Corsair 2GB DDR3 1600MHz, and I want to expand it with 3 more DIMMs. Obviously to keep my triple-channel, I'd be best to buy an identical 3 DIMMs kit as I have now, because triple-channel ...
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2answers
336 views

can i merge 4gb of ram at 1333mhz with 4gb of ram at 1600mhz

hi im running 2x2gb of DDR3 ram at 1600mhz for a total of 4gb of ram i am wanting to know if it will be a good idea to install 2x2gb of DDR3 ram at 1333mhz will it just slow down my system or will the ...