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? ...
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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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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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2answers
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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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1answer
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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/ ...
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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 ...
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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 ...
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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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4answers
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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 ...
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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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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 ...
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2answers
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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
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2answers
587 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?
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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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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
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1answer
603 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
2k views

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 ...
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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™ ...
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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 ...
2
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2answers
139 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 ...
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4answers
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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
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1answer
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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
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1answer
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8Gb DDR3 1333MHz Dual Channel with 8Gb DDR3 1600MHz Dual Channel RAM?

I have a computer which currently has 8Gb DDR3 1333MHz Dual Channel Corsair RAM and I've been given 8GB DDR3 1600MHz Dual Channel Kingston RAM by a colleague. If I installed these new RAM modules in ...
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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 ...
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1answer
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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 ...
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3answers
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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
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2answers
177 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
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2answers
111 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 ...
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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 ...
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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 ...
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1answer
213 views

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

Is this possible or Speccy got it wrong?
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
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1answer
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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. ...
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1answer
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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
645 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
345 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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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 ...
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2answers
361 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 ...
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2answers
225 views

Alienware MX11 upgrade RAM to 16gb DDR3?

I want to buy an Alienware MX11 from a friend. Specs: CPU: Overclockable Intel Core2 Duo SU7300 1.3GHz RAM: 4GB Dual Channel DDR3 at 1066MHz 11.6-inch WideHD 1366x768 (720p) w/ WWAN Video Card: 1GB ...
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1answer
171 views

Is is possible to put my MBP’s old DDR3 RAM into my GF’s DDR2 MacBook?

I have 4GB of 1067MHz DDR3 RAM, upgrading to 8GB, in my late-2008 Apple MacBook Pro. Crucial’s scanner says my girlfriend’s slightly older MacBook can support 4GB of 500-something-MHz DDR2 RAM (she ...
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Difference between PC3-8500s and PC3-8500f

Is there any real difference between PC3-8500s and PC3-8500f? It's Laptop memory, DDR3. Would a laptop which can take one also be able to use the other?
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Do I need to have 3 RAM chips on a Supermicro C7X58 MB

i have a servergrade MB and wonder if i MUST have 3 memory chips to get it to work? i only got one stick with 4 Gb DDR3 Ram. The MB is a Supermicro C7X58 Cpu: intel core i7-950 i tried to put in ...
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Is it possible to have AM2+ mobo with 790fx chipset and have DDR3 Ram support?

Is it possible to have AMD AM2+ mobo with 790fx chipset and still have DDR3 Ram support? Also do you think DDR3 is worth it? I like this one but it doesnt have DDR3 support :(
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1answer
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RAM limited to 12GB by motherboard?

I want to add more RAM to my motherboard (ASUS P6T) and I was looking through the manual and found this under the specifications: I'm guessing this means 12GB total? I asked somebody else and he ...
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3answers
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Why my ASUS Z8NA-D6 only start with one DDR3 Module?

I got 3 new RAM Modules (CSX 4GB DDR3 1333MHz) if I insert one Module into my ASUS Z8NA-D6 Board the Computer starts. But if I insert a second or third one the Computer wont start. Next I run a ...
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2answers
142 views

Install too much RAM - and then? [closed]

I saw some already asked if its possible to install more than max. specified RAM capacity. I want to go a bit further. I have a laptop (Vaio VPCF11C5e) with currently 2x4GB 1066Mhz installed. ...
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2answers
374 views

What kind of RAM is compatible with my system? [closed]

I want to upgrade my RAM but am not sure if I should/can get DDR2 or DDR3. Sound like a stupid question, but CPU-Z is showing the following: At the top, it is saying that it’s DDR3 RAM, but I have ...
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1answer
378 views

RAM doesn't work in dual channel

I just purchased a new PC which includes these components: MB: Asus Maximus VI Formula CPU: Intel i5-4670K (Max supported RAM speed 1600) RAM: Corsair Vengeance 2x4GB 1866MHz ...
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1answer
760 views

ideal memory configuration 4 bank, ddr3, AM3+ FX - 1 vs 2 vs 4 dimms?

Ok, so ive been looking around, trying to learn and understand the way that ram works. Ive gotten one answer that said "The addressing is best for 2 sticks, and when you use 4; it slows down" ...