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

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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? ...
20
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Can I use two types of DDR3 in the same motherboard?

I have a DDR3 RAM of 1333MHz of 4GB on my motherboard (Asus H61M). I have another stick of RAM DDR3 1600 MHz of 4GB. Can I use this in the other slot along with the original to reach a combined 8GB? ...
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3answers
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How to check if two memory modules are being used with dual channel?

I have two 1333 DDR3 memory modules with different brands. I wonder if they can be used in a dual channel setup. How can I check that?
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votes
2answers
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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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3answers
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Rewiring GPU with RAM? [closed]

So what I want to do is to solder the copper wire as shown in my scheme using zinc-lead-tin alloy, provided that I will remove the VRAM (connected to the RAM) so I could replace it with the wire. I ...
5
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1answer
13k views

Does DDR3 ram need to be installed in pairs? [duplicate]

Possible Duplicate: Matched DRAM — Why? Is it important? I'm building a machine with the following motherboard and processor. MSI 890FXA-GD65 Socket AM3/ AMD 890FX/ DDR3/ ...
5
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2answers
238 views

For what sort of workload can a Core i7-920 be faster than a i7-860?

Core i7-860 has a slightly higher clock speed (2.8 vs 2.66 GHz) Core i7-920 has QPI and tri-channel DDR3 (vs DMI and dual-channel)
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4answers
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After increasing RAM size, Windows Experience graphics index rating went down

I own a Sony Vaio CB17 laptop with an Intel i7 processor and dual switchable graphics card: Intel HD and a Radeon 6630M. Originally, the laptop came with 4 GB RMA (DDR3 1333), but then I thought it ...
5
votes
3answers
591 views

Recommendation for memory pairing in a 13" MacBook Pro?

I know usually it's better to run the memory on dual channel, if possible, with a Kit of 2x2GB, but at the moment my laptop has 2x1gb and I wanted to upgrade it. Which means, I can either buy a kit ...
5
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3answers
2k views

Optimal RAM configuration: one large DIMM vs multiple smaller DIMMS?

I have always been told there were performance advantages in using multiple smaller DIMMS vs a single larger DIMM (as the combined bandwidth of all the motherboard's RAM slots would be used). My boss ...
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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 ...
4
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2answers
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Can I use 3x2GB plus 3x4GB ddr3 RAM triple channel?

Made the mistake of thinking 12GB was enough, but I keep crashing out of memory while running sparse matrix solver... a few more GB should do it. Is it valid to replace 3 of the 2GB modules with ...
4
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4answers
3k views

Why can I only use 3.47GB of my 8GB of RAM on my Windows 7 64-bit machine?

I had 4GB of RAM and just installed another 4GB. When I go to my computer's properties I see it recognizes all 8GB but I'm still only able to use 3.47GB. My motherboard is an Asus P7H55-M which is ...
3
votes
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 ...
3
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2answers
1k views

How to identify a DIMM that does not have DDR2 or DDR3 written over it?

The RAM I have has an identity code 'pc3-10600u-999 hf' Upon searching for details I find only one result i.e. 'Ramaxel' DDR3. Alternatives such as Kingston or Corsair or Transcend does not show up. ...
3
votes
2answers
594 views

In what situations would DDR3 RAM be noticably faster than DDR2?

I know that DDR3 RAM is faster, but I don't know what situations have performance heavily influenced by RAM speed. When is this useful?
3
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1answer
3k views

Do DDR3 SODIMM modules come in sizes greater than 8GB?

I'm really interested on buying a 1x16GB DDR3 SODIMM module because my laptop has only one memory slot. I know that DIMM modules with 16GB do exist. But I can find only packs with two 8GB modules of ...
3
votes
2answers
198 views

Computer Memory Configuration

So I currently have 4x 4GB Dimms of 1600Mhz memory (DDR3) in my computer, however one dimm has went bad. Now, my understanding is that they are dual-channel, which means they are ment to run in ...
3
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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 ?
3
votes
1answer
998 views

Is there a performance hit when using unbalanced DDR3 RAM memories?

I have a 4096 MB and a 1024 MB DDR3 memory stick. They both have the same clock. I know they won't work in dual channel speeds because they have different sizes. But will they work better alone than ...
3
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1answer
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DDR3 1333Mhz Ram PC3-10600 vs PC3-10660 performance difference [closed]

I've looked around and I'm unable to find a any real idea of how much performance difference that there is. The timings are the same as the RAM that is in my laptop but I wanted to expand it to 16GB ...
3
votes
1answer
10k views

What's the max memory i7 processors can use?

There are lots of i7 motherboards that support 64GB memory, and even one that supports 128GB: http://www.newegg.com/Product/Product.aspx?Item=N82E16813130681 But I read that i7 CPUs can't access more ...
3
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3answers
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Would I see benefit if my RAM is faster than my processor's FSB?

I always thought processor's FSB was the limit of how fast the RAM could be. However, while configuring a Lenovo laptop, I see options for RAM that's faster than the CPU's FSB CPU = Intel® Core™ ...
2
votes
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 ...
2
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3answers
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How do I determine which type of RAM my laptop uses?

I have a HP Compaq Presario CQ56-103ST laptop and I want to learn whether it uses DDR2 or DDR3 RAM. In its official web page, it is said that it has 3 GB DDR2 (1 x 1024 MB + 1 x 2048 MB). (Obviously ...
2
votes
4answers
3k views

Can I upgrade my motherboard to 32gb of RAM? [closed]

I bought an HP Pavilion P6553w a number of months ago and it maxes out at 16gb of RAM. I have maxed it out with 4 x 4gb DDR3. I now see that 8GB chips are out and wonder if it can goto 32gb of RAM. ...
2
votes
2answers
153 views

Is RAM accessed randomly between different RAM sticks?

Ok, I know that it is called Random Access Memory, but i wonder if there is any structure in how RAM is used. I have read that the RAM clock speed of different sticks will be limited to the slowest ...
2
votes
1answer
1k views

Will 1600Mhz or 2000Mhz memory run in a motherboard spec'd at 1300Mhz?

The motherboard supports "1600(O.C.)/1333/1066". All the above memory is about the same price and I dont see the point in buying 1333Mhz when I can get 1600 or 2000Mhz and just downclock them. I am ...
2
votes
1answer
1k views

Can I install a higher Mhz RAM alongside a slower one?

I have a computer which currently has: Motherboard: MSI 880GMA-E45 motherboard Processor: AMD Phenom II X6 1090T CPU. RAM: 8Gb DDR3 1333MHz Dual Channel Corsair RAM I've been given some new RAM ...
2
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2answers
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Maximum memory speed using a non-overclocked Intel Sandy Bridge (socket 1155) Core i5

I've read a couple of similar questions on this subject here, but I'm still confused: I'm about to buy a new PC and I'm interested in a Core i5 (2500). Apparently the CPU supports DDR3 1066/1333 ...
2
votes
3answers
182 views

Computer Hardware Dilemma - Compatibility with Asus, Corsair and AMD

I recently purchased these components: Asus M5 A97 R2.0 Motherboard Corsair DDR3 1866 MHz RAM 4X8GB (CMZ32GX3M4X1866C10R) AMD 8-core FX 8150 Processor I have an existing hard drive with Windows 7 ...
2
votes
2answers
191 views

Using all 12 DIMMs on a Dell T610 server

I have a Dell T610 server with 2 processors and 6 slots of RAM for each. I only have 1 processor installed. Can I install RAM in all 12 slots or will it only recognize the RAM if that processor is ...
2
votes
2answers
112 views

how do i know which is the best total memory for my configuration?

I've heard and read online that some CPUs (or motherboards?) perform better with a certain number of memory (3,6,9 as opposed to 2,4,8). How do I know what is the best for each PC/Laptop ...
2
votes
2answers
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Intel P6100 CPU and Mobile Intel® HM55 Express Chipset

I have an Asus K52F-BBR5 notebook that uses an Intel P6100 ( 2GHZ 15x multiplier) and HM55 Express Chipset. I'm looking to replace it's 3GB with 8GB. The Crucial database seems to indicate that a ...
2
votes
2answers
3k views

Will an Intel i5 processor make use of DDR3 1600 ram?

I'm trying to play catch up with today's technology to build a new desktop system (to run Star Craft 2). I'm looking at Intel's Nehalem (microarchitecture) and the highest memory interface it'll use ...
2
votes
1answer
214 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 ...
2
votes
1answer
206 views

Can't find DDR3 800Mhz laptop memory anywhere

I have a Acer V5-171 with a 4GB bar and wanting to upgrade but I can't find a similar bar on the market (800Mhz) anywhere, only 1600Mhz ones, cant that work too? CPUZ screenshot:
2
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2answers
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Can I use PC3L memory module in a PC3 slot

I apologize if this is not the right *exchange to ask, but this is the closest one I guess. My ThinkPad X201 supports only PC3 memory and I have one extra module PC3L (stands for Low Voltage AFAIK). ...
2
votes
2answers
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Ram detection issues (12gb) on X58 Asus p6t deluxe motherboard (6 x 2gb ddr3 dimms)

I've been using this ASUS p6t deluxe + i7 920 + 3x2gb G Skill DDR3 1333 for more than 2 years without any issue. A few months ago, I added 3 more dimms, the exact same brand and model, bought from ...
2
votes
1answer
250 views

I have netbook with an atom N450 and DDR3 Does this make sense?

Is this possible or Speccy got it wrong?
2
votes
0answers
32 views

Dell Inspiron 15R (N5010) i3 2.6GHz Ram Upgrade Crash

I have a Dell inspriron n5010 i3 2.6GHz M390 with 1333MHz 2GB memory with windows 8.1 32bit Operating System. I wanted to upgrade the RAM, i could not find any 1333MHz 4GB memory So i bought a DIMM ...
2
votes
0answers
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DDR3 SDRAM compatibility: clock speed and timings

I want to upgrade my computer’s DDR3 SDRAM, replacing the single module that it currently has with newer ones. I am wondering if I must (or ought to) stick fairly strictly to the DDR3-1333 version ...
2
votes
1answer
480 views

How to get memory up to 1333 or higher on EVGA X58 3X SLI Core i7 Motherboard

I'm trying to go up on my DDR3 from 1066 to 1333 but Windows keeps crashing upon startup; before / after login screen. I have a EVGA X58 3X SLI Core i7 Motherboard. I upgraded from 3 Gb to 12 Gb and ...
2
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1answer
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Difference between ddr3 ram pc3-10600S vs pc3-10600

I am trying to upgrade my ram of my HP g62-b51se and found that the stock ram type is ddr3 pc3-10600s . i am trying to find the difference between that(pc3-10600S) and pc3-10600 .Thanks
1
vote
1answer
935 views

What are the consequences of installing DDR3 RAM on a motherboard that only supports DDR2 RAM? [duplicate]

Possible Duplicate: Is a DDR3 MB compatible with DDR2 RAM? would ddr2 memory work in a motherboard with ddr3 standard? I just ran into something really weird. My computer has DDR3 RAM. ...
1
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1answer
8k views

What's faster? A Single channel DDR3 or a dual channel DDR2?

I wonder if Dual Channel DDR2 is faster than Single Channel DDR3 or that DDR3 is so much faster that the Dual Channel doesn't matter.
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4answers
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Comparing two laptops with same specs, DDR2 vs DDR3 for an extra $100

Considering purchasing one of two laptop options which have almost the same specs with the exception that the version with DDR2 RAM is $100 less than DDR3 (there are a few other tiny differences that ...
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4answers
647 views

AM2+/DDR2 or AM3/DDR3 for a new build?

I'll be upgrading my aging E6600 conroe system soon, and the new Athlon Propus 620 quad core has caught my eye, as has the unlockable Phenom II x2 550. A quad core for $100 isnt bad, no matter how ...
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2answers
444 views

Triple Channel/DDR3

Is all DDR3 considered triple channel? The reason I ask is as part of seeing the dev release of Windows 8 and it's utilization of UEFI I started researching motherboards for a potential upgrade near ...
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2answers
414 views

Is it worth upgrading memory sticks with different timing or voltage?

I have 4GB 1600 MHz RAM (7 7 7 20) 1.7V and want an upgrade. Is there any difference to add 4GB 1600 MHz RAM with with different timings (9CL) and voltage (1.5V)? Is there any pattern in what I ...