Questions tagged [dual-channel]

related to Multi-channel memory architecture for computers

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dual channel in flex mode

I've been reading a little about dual channel in flex mode, but for example I have 8gb+4gb Will the 4gb stick and 1st half of the 8gb stick work in dual, the remaining 4gb of the 8gb stick is alone in ...
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asymmetrical dual channel setup

yesterday I won for free (which has yet to come): 16GB GOODRAM IRDM RGB Black Edition DDR4-3600 DIMM CL18 Dual Kit -> so 2x 8gb And I wanted to upgrade my system with it, but since I have ...
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Checking if RAM works in dual-channel mode on Linux

I bought a second SO-DIMM for my Dell Latitude 5420 and want to check if the RAM works in dual-channel mode now. Everyone suggests using dmidecode to figure this out, but my output differs from what ...
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Having two 8GB ram and two 16gb ram, will it degrade noticeable performance?

Here's my memory details, I actually have two 8GB ram sticks, and two 16GB ram stick, I know how different ram modules disable something called dual-channel which degrades performance. Can someone ...
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How is my laptop ram running in dual channel? [duplicate]

I have an ASUS x555l laptop with intel core i5-5200u, geforce 840m and 6gb of ram. I wanted to upgrade the ram so i did some research and found out that 4gb of ram is soldered to the motherboard and ...
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Unbalanced ram size and dual channel

The more high-end laptop comes with soldered RAM + a ram slot which is populated. The problem is that I'm looking at the new ROG Zephyrus 2021 and it comes in my region with max 16GB RAM, 8 soldered, ...
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Would there be any problems if I install an 8GB RAM stick to my desktop computer which has 4GB RAM installed?

I am going to purchase an 8GB 1333MHz DDR3 RAM stick for desktop computers, my computer supports dual channel, I will post my RAM specifications below, and I have observed a strange and interesting ...
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4 Memory Sticks on Dual Channel

I have an Asrock fatal1ty z170 gaming k6 motherboard, which has 4 memory slots but only supports dual channel, so from what I read if I use all four it won't run in quad-channel, but dual-channel ...
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Can I configure the RAM on my motherboard so 8GB RAM modules and 4GB RAM modules are mixed?

I have three RAM modules: 1x 8GB (Brand1 - 3000Mhz) 2x 4GB (Brand2 - 3000Mhz) Here is my current configuration on ROG Crosshair VIII Hero motherboard: A1: Empty A2: 8GB B1: Empty B2: Empty Can I ...
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Single vs Dual channel RAM in laptop (will it improve performance)?

I have 2 RAM slots on my laptop. 1st slot already has a 4gb single-channel RAM. I want to put another 4gb RAM stick in 2nd slot. So if I put dual-channel RAM stick in 2nd slot, will it be worth the ...
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Can I install a module of 2666mhz RAM with a 3200mhz RAM as a dual channel in on a motherboard that supports 3200mhz

My laptop is an ASUS TUF Gaming A15 (506 II) with only 8GB of RAM 3200mhz DDR4 and I want to upgrade it to 16GB or 24GB but only there is 2666mhz RAM available in my country. Should I get 2666mhz RAM ...
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Where are the actual bytes located within DIMM modules in dual or multi-channel mode? [duplicate]

I'm trying to find out how memory is arranged in dual channel mode, i.e. which memory addresses are on which DIMM. What I have currently found out is that there are two modes "ganged" and &...
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Machine stuck at POST 33h when memory modules installed as dual-channel

I just setup a new machine with the following (relevant) configuration: CPU: Ryzen 9 3900X MB: ASRockRack X470D4U (I aimed for its IPMI functionality - turned out to be super useful) Memory: 2 pieces ...
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My CPU memory speed reduces to 2400 when adding another module of 2666

I already have a RAM module which came with the actual laptop. This was an 8GB module with clock speed of 2666. I purchased one more of the same speed and capacit. This runs in dual channel mode but ...
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Quad Channel Memory Running Dual Channel Configuration

I have a ASRock x399 Fatal1ty Professional Gaming motherboard with a AMD 2950x Threadripper and 4x32gb Corsair Vengence 3600mhz DDR4 memory (all the same type/speed/etc). When I go into the bios, it ...
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Dual channel RAM for laptop

I need to upgrade my laptop's RAM to 8GB.It has a dual channel configuration as below: hynix 4GB PC3L-12800 CL:11 hynix 2GB PC3L-12800 CL:11 Now i want to replace the 2GB RAM with a 4GB RAM.Specs ...
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Does having different capacity RAM sticks reduce performance compared to 2 sticks of the same size?

I have an Acer A515-51G-58GJ notebook that comes with 4 gigs of RAM that's soldered on the motherboard (HWiNFO says it's a SK Hynix DDR4-2400 stick - HMA851S6AFR6N-UH). I upgraded the RAM on this ...
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How much faster is Dual Channel than Intel's Flex Memory Mode?

How much faster is a RAM configuration of sticks 8+8+4+4 than one of 8+8+8? I'm interested in delay and speed in MB/s.
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DDR4 RAM not running in dual channel? [closed]

I recently upgraded my PC and swapped out my CPU/mobo/RAM in the process. Now I have a Ryzen 3 1300x processor, MSI B350M GAMING PRO motherboard and 2x8GB G.SKILL Ripjaws V 2400Mhz RAM, running ...
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What is the correct dual channel configuration of Dell OptiPlex 5050 (Tower) motherboard

I am unable to find any useful manual for this motherboard online which tells me the correct dual channel DIMMs config for this motherboard. Can anyone suggest me the correct DIMMs config?
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Why and how is my memory running in dual-channel mode?

Some time ago I built a PC with 8 GB RAM (DDR4 2666MHz DIMMs) since I did not have enough money to go for a 16 GB kit. Later, I realized 8 GB was holding me back from doing a couple of things and ...
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Only half of RAM is seen

I have two Crucial RAM sticks which I put in two slots which are supposed to work dual-channel. BIOS sees both of them, but in total is showing only half: CPU-Z shows 8GB of RAM, but Windows 10 only ...
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Can I dual boot two separate instances of Windows 10 pro?

I have two licences for W10 64 pro and I would like to dual boot them so that I have one fully updated internet-accessed side and one which is not on the net and has no updates installed. This would ...
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Dual Channel Memory configuration

I have a 880 Chipset socket AM3 motherboard with 4 RAM Slots. I am running Windows 7 32 bit. It’s clear from the manual that for dual channel memory operation, memory of same size, chip, brand and ...
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Z270X Ultra Gaming which dimm slots?

Picture: So I don't know which slots to put my ram sticks? (2x8gb) Please help. BTW the picture is on a other motherboard bit the layout is the same!
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Understanding dual-channel behaviour of RAM with three DIMMs

I have an Asus Maximus VIII Ranger motherboard, which has four RAM slots. The slot configuration is same as in this image: Currently I have installed one stick of 8 GB capacity and 3000 MHz speed in ...
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Mixing a 8gb ram with a 4gb ram? [duplicate]

I have a lenovo G40 80 latop with Intel i3 4005u processor and 4GB DDR33l 1600 RAM. I want to add some RAM for virtualization purposes so I am thinking to add a 8GB SoDIMM so that later I can add ...
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5 votes
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Can't get dual-channel memory status from Linux -- why?

I have a slot A3+ motherboard (Gigabyte ATX GA990ZA-UD3-R5) with an AMD FX-8320E CPU and two 8Gb memory sticks (identical, bought together as a kit). I followed the instructions on the manual and ...
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Unequal size dual channel ram, and lower-than-expected frequency

I'm updating a Dell Inspiron N5030, and stumbled upon an odd situation. The laptop has 1 GB and 2 GB of DDR3 ram installed for a total of 3 GB, Dual Channel. This is reported by both CPU-Z ("DC mode: ...
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Is it Optimal to balance RAM across banks

It's well known that using matched pairs of RAM in a single bank with Dual Channel Architecture is optimal, both so that the two sticks have similar timings, equal capacity, etc. But what about ...
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Dual Channel Mode(RAM)

My existing Build has 2 * 4GB RAM G.SKILL Ripjaws Series 8GB (2 x 4GB) Processor : i5-4690 Motherboard : ASRock H97M Pro4 Currently my memory run's in Dual Channel mode. Am planning to upgrade my ...
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Customizing a L450 laptop: Isn't DIMM2 faster than SODIMM because of dual channel ? (screenshot)

here is the US versions: SODIMM are smaller sticks, but this laptop lets me also put DIMM2, so I'm a little confused. Is SODIMM also dual channel, or is it a single or two memory stick ? I guess it'...
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8GB dual channel vs 12GB single channel

So I was thinking on improving my currently 4GB of RAM and wondering if I should get another 4GB and use them in double channel or stay with single channel and get 8GB extra. Considering that I ...
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3 answers
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Windows XP (32-bit) system with 8GB RAM, will I still get dual-channel benefit?

I am running a legacy Windows XP 32-bit PC (not for internet use of course). It has 2x4GB RAM which operates in dual-channel mode. Obviously Windows XP can only use 4GB RAM. One could argue the ...
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DDR2 RAM: Effective RAM dual channel frequency

Assuming the following DDR2 dual channel RAM setup on a Gigabyte P35-DS4 rev 1.0 board: Channel 0: Bank #0 : DDR2-800 Bank #1 : DDR2-800 Channel 1: Bank #0 : DDR2-1066 Bank #1 : DDR2-1066 Will the ...
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3 votes
1 answer
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RAM size mismatch: CPU-Z vs BIOS & Windows

Originally, I had 4GB of RAM (4*1GB), and everything worked like a charm. A few months ago one of my memory cards got bad, so I had to take it out and throw it away. A few days ago I bought 2 new ...
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Memory Runs at Flex Memory Mode

I had 4 GB RAM installed, running in dual channel mode. RAM: Corsair TWIN2X4096-6400C5DHX (CM2X2048-6400C5DHX) Motherboard: Gigabyte GA-EP45-UD3R Channel 0: DIMM1, DIMM2 Channel 1: DIMM3, DIMM4 ...
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How to check if RAM is working in dual-channel mode?

A friend of mine arranged three RAM modules of 2GB next to each other on a motherboard that supports dual-channel mode, but is not sure whether it's working. CPU-z shows only a gray area in the memory ...
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Quad-Channel on ASUS M4A88TD-M motherboard

I'm learning about RAM multi-channel and I have doubts: Is possible a quad-channel(8GB: 4x2GB) with M4A88TD-M? What is better: A quad-channel(4x2GB) or a dual-channel(2x4GB)? Thank's in advance ...
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Are there issue using different sized RAM's

I have a 1*4GB RAM installed in my dell laptop. I am going to purchase 1*8GB RAM. So, my question is if the combination of one 4GB and one 8GB RAM, will both work or not? I am confused as I have never ...
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What is the optimal distribution of RAM across available slots given a specific amount?

Given two memory slots, what is the optimal configuration given my 2x1GB, plus either 1x4GB or 2x2GB? (I just bought a used laptop with two slots, currently 2x1GB, max 8GB) Possible upgrade ...
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Dual memory channel unavailable on DELL DIMENSION 8300

I ran a DELL performance check on my computer (DELL DIMENSION 8300). Also I asked for a memorry configuration report. The result is a follows Available Memory 60.92 % Page File Size 3,071.1MB ...
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Upgrading laptop memory and deciding between 6gb and 8gb. I usually have 100+ processes running at any given time. Advice? [closed]

I am not a gamer. Most of the processes are usually in chrome as I have many tabs open constantly, along with a few other applications that I like to run pretty much constantly. I'm deciding between ...
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3 votes
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How to best distribute 12GB of RAM?

All 3 modules will have the same MHz but how do distribute modules to best handle multi-channel RAM. When buying 8GB is easy as I can take 2 x 4GB. What solution is best for 12GB: 3 x 4GB 8GB + 4 ...
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Separate MAC Filtering Rules for Each Frequency in Linksys EA2700-RM

I recently bought a Linksys EA2700-RM router for my home. I have set up the 5GHz network, the 2.4GHz network and the Guest network. My 5GHz network is for highest priority devices, the 2.4GHz network ...
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Dual channel: mix a current kit of memory sticks with another from 3 years ago?

My PC has 8Gb. of memory, in 2x4Gb. memory sticks bought 3 years ago, and is currently working with dual channel enabled. I'm thinking of adding another 8 Gb., but the problem is that, for dual ...
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How do calculate which RAM option would be faster?

I've been reading DDR and related info on wikipedia but am still not sure I know anything. I have a Fujitsu Celsius w340 workstation with the following: Memory Speed: 533 MHz Memory Specification ...
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Dual channel DDR3 1333 vs single channel DDR3 1600 RAM? [closed]

I'm building a FreeNAS file server and have been searching for ram. What's available is either: 2x 8 GB DDR3 1600 single channel (CL11) or 2x 8 GB DDR3 1333 dual channel (CL9) Price difference ...
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How big a performance impact on Core i7 Xeon is caused by not installing RAM in pairs?

At work I have a dual CPU workstation (HP Z600) with i7 / Xeon E5620 Gulftowns installed on a Intel 5520 based motherboard. Factory, it was installed with 2x2GB sticks enabling 4GB in dual channel ...
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One 8 GB DIMM vs two 4 GB DIMMs in dual channel mode [duplicate]

Is one 8 gigabyte DIMM faster or slower or the same as two 4 gigabyte DIMMs in dual channel mode? This is DDR3-1333.
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