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

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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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131 views

Can't Install More RAM

I have four RAM slots on my motherboard. I'm currently using two. For some reason, when I plug in a third (and fourth), I can only use the new RAM, and not all of it combined. It's a "dual channel" ...
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361 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 ...
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Upgrading RAM in Dell Optiplex 380 [closed]

I've Dell optiplex 380 machine and I've 32bit Windows 7 ultimate OS on it with DDR3 2*2GB RAM on it. I want to upgrade my machine to use 8GB RAM with 64bit windows 7 ultimate OS and want to install ...
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2answers
164 views

Maximum memory for Dell 540S using 64 bit OS

I went to the Corsair web site and keyed in "Dell Studion Slimline 540S", and it responded with maximum memory = 4slots x 2GB = 8GB DDR2. The OS I am using is 64 bit Vista Home Premium and 64 bit ...
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1answer
578 views

Is a Komputerbay 4GB DDR3 compatible with a Kingston 4 GB DDR3-1333 DDR3?

They pretty much look the same to me, but I would like to confirm on this before purchasing. I currently have a 4GB RAM Card: DIMM1: Kingston 99U5471-012.A00LF 4 GB DDR3-1333 DDR3 SDRAM (8-8-8-22 ...
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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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1answer
571 views

Asus P8Z68-V LX - Memory problems

I just bought a new CPU and a motherboard yesterday. after stuffing it all together and for the first time booting it, it just went looping to starting on and off. I figured that this was something ...
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0answers
557 views

Motherboard Issue - 3 Beep Bios (memory error) despite new RAM

I have an Intel dG43RK motherboard, bought new and sealed, and have tried two different brands and speeds of RAM with a 3-beep BIOS indicating a memory error, which also occurs without RAM installed ...
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1answer
658 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 ...
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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 ...
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1answer
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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 ...
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2answers
297 views

Same RAM model, different purchase date. Will this work?

I went for a triple channel (3x2GB) DDR3 RAM kit for my build back in 2010. The same kit is now a lot cheaper and I'm considering purchasing one to give my machine a little boost. Relevant Specs: ...
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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 ...
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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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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. ...
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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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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 ...
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1answer
867 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
780 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. ...
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2answers
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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 ...
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2answers
371 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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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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1answer
2k views

Can memory with DDR3 1066 MHz run PC-10600

My laptop is Asus k42jb. And the specification said that its DDR3 1066MHz. I intend to buy a memory with PC-10600. will this memory run on my laptop? it doesn't matter if it will be run on PC-8500 as ...
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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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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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1answer
510 views

Macbook Air 2011, why is it capped at 4gb using DDR3 and Core i7 processors [closed]

I was looking at the specs for the new Macbook air, and I can't find any reasons why they are distributing them in 2gb and 4gb RAM configurations only. The RAM is soldered in and the Apple Store is ...
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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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1answer
138 views

Different RAM Speeds (Same Hardware)

I've got 4 DIMMs of RAM (GSkill Ripjaws), they are supposed to run at 1600Mhz. When I check the speeds, my BIOS tells me that slot 1&3 are running at 1600 and 2&4 at 1333. I tried to set it ...
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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
186 views

Bluescreen / Crash with 2x RAM but works with 1

I bought this board today: ASRock 880GMH/USB3 R2.0 And 2 DDR3 2GB RAMs (takeMS "TMS2GB364E082-139CM") Power = 300W. The problem is that I get bluescreens (during installation of Windows 7) when I ...
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1answer
335 views

Can I install DDR3 1333 RAM into a motherboard that supports DDR3 2200?

Can I install DDR3 1333 MHz RAM into a motherboard that supports DDR3 2200 RAM? I think it should be acceptable, but don't want to risk the investment I've already made on the motherboard For ...
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1answer
124 views

Memory expansion and compatibility

I currently have this machine: GIGABYTE GA-EX58-UD5 (v1) motherboard INTEL Core i7-920 2.66Ghz 1366 BOX processor GEIL Ultra 6144Mb DDR3 1333Mhz CL6 TRIKIT memory I run Windows 7 Professional on ...
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2answers
579 views

I bought a motherboard that supports DDR3 RAM

I bought this ASUS Sabertooth X58 motherboard from http://msy.com.au/product.jsp?productId=7301 But I'm not sure what DDR3 RAM to buy. I haven't built a PC from scratch in about 3 years, and I'm ...
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1answer
220 views

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

Is this possible or Speccy got it wrong?
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1answer
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Installing 2 DDR3 Sticks in MB with 4 Slots

I just put together my first system that uses DDR3 memory. The motherboard I got is an ASUS M4A77T/USB3 and it has 4 DDR3 RAM slots. Looking in the manual for the MB it doesn't say anything about ...
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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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Confusing relation between RAM frequency and timings

I'm confused with relation between frequency and timing information when buying DDR3 RAM modules. I have OCZ DDR3 modules which should have 1600MHz frequency and CAS 7-7-7-20. If I use these modules ...
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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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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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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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1answer
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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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1answer
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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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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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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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1answer
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Kingston HyperX 4GB and Bus compatibility

I'm considering purchasing Kingston HyperX 4GB . I believe it has 2000 Bus.and i have a gigabyte G41M-Combo which support DDR3 1333 . Will that work?
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3answers
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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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RAM frequenty isn't functioning at 1600 MHz, or is it?

I have bought the following system with the following specs. CPU Arch : 1 CPU - 4 Cores - 4 Threads CPU PSN : Intel Core i7 CPU 860 @ 2.80GHz CPU EXT : MMX, SSE (1, 2, 3, 3S, 4.1, 4.2), EM64T, VT-x ...
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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 ...
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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