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Questions tagged [dual-channel]

related to Multi-channel memory architecture for computers

2
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2answers
48 views

DDR4 RAM not running in dual channel? [on hold]

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 ...
1
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1answer
45 views

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?
4
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1answer
694 views

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 ...
0
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1answer
207 views

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 ...
1
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0answers
438 views

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 ...
0
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0answers
232 views

Dual Channel RAM 1 at channel A1 and another at B2 will it work?

So suppose my motherboard's configuration is like below: my B1 slot has issues. So can i use A1 and B2 slot and get Dual-Channel working properly? CPU_Z shows it as dual channel but is it properly ...
0
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0answers
58 views

Utilizing all 4 RAM Slots in Asus P5KPL-E

I'm currently running this P5KPL-E board with two sticks of 1GB RAM each. I'd like to get another two sticks of 1GB and run 4 sticks total. Here's a version of the user manual accessible online: ...
0
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0answers
377 views

Second RAM stick in laptop detected by CPU-z and Speechy but in Single-Channel Mode

I have Lenovo T450 with 2 memory slots and 4 GB memory stick installed by default. The vendor's website state that this model can have up to 16 GB RAM in dual channel. I installed the second memory ...
1
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0answers
366 views

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 ...
-1
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1answer
436 views

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!
1
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1answer
2k views

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 ...
0
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2answers
2k views

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 ...
1
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1answer
2k views

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 ...
0
votes
1answer
832 views

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: ...
0
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1answer
390 views

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 ...
1
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1answer
123 views

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 ...
0
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1answer
77 views

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'...
1
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1answer
9k views

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 ...
2
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3answers
1k views

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 ...
1
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0answers
563 views

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 ...
3
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1answer
1k views

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 ...
0
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2answers
14k views

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 ...
2
votes
1answer
5k views

How to check if RAM works 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 ...
0
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1answer
108 views

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 ...
1
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2answers
12k views

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 ...
0
votes
2answers
557 views

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 ...
0
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2answers
270 views

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 ...
0
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1answer
2k views

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 ...
2
votes
2answers
6k views

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 ...
0
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0answers
721 views

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 ...
1
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2answers
2k views

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 ...
0
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1answer
404 views

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 ...
0
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2answers
11k views

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 ...
0
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1answer
462 views

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 ...
2
votes
1answer
11k views

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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2answers
972 views

Dual channel vs DDR ram

I understand that DDR ram is basically sending the data on the falling and rising ends of the clock wave, but what is Dual Channel Memory. Google is just saying that it doubles the speed.
1
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0answers
194 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" ...
0
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2answers
452 views

Sustaining Dual Channel among many RAM modules

I'd like to know what are the factors that need to be set in order to sustain the Dual Channel mode. In a mobo with 4 DDR3 slots: Do I have to put pair of chips? Eg: If I put 3 identical chips only, ...
3
votes
1answer
215 views

System hang - freeze when installed 2 set KIT ram

Original my system: MOBO: GA-Z68XP-UD3R (rev 1.3) CPU : Intel Corei7 2600 (3.4GHz) VGA : GV-R6750OC-1GI POW : ACBel 510W CPU-Cooler: Cooler Master Hyper 412 Slim RAM:: Kingston 4GB (2x2GB) 1866 KIT - ...
2
votes
2answers
1k views

memory DIMMs work individually, but not in pairs

I have four new (to me) sticks of Kingston 1Gb 400Mhz DDR2. Three of them boot fine individually in slots 1 or 3, but not in slots 2 or 4. The fourth does not boot in any slot. The three working ones ...
16
votes
3answers
22k views

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?
3
votes
2answers
214 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 pairs....
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2answers
541 views

May I add 2GB of RAM in a HP dc7900 MT

I currently have 2GB of RAM with this schema: Slot 0: 1GB (Channel 1) Slot 1: N/A (Channel 2) Slot 2: 1GB (Channel 1) Slot 3: N/A (Channel 2) May I add a 2GB of RAM in Slot 1 even if it's in Dual-...
2
votes
1answer
141 views

Can a non dual-channel motherboard be paired with dual-channel RAM, or the other way around? [duplicate]

Possible Duplicate: Dual Channel RAM vs. Quad Channel RAM What is the criteria for motherboard ↔ RAM compatibility with regards to multi-channel capabilities? Can a non dual-channel ...
1
vote
2answers
455 views

Two kits of three DDR3 memory sticks mixed. Are they same?

I have bought two memory kits, each having three DDR3 modules for triple-channel setup. Looking at the memory modules serial stickers, I couldn’t find a clue about how to identify, that the modules in ...
23
votes
3answers
11k views

Which have better performance Two 2GB RAM sticks or One 4GB RAM stick? [closed]

I am planning to buy a new PC. The mainboard has 4 memory slots, The PC has Windows 7 64-bit installed. Which approach is better regarding the performance buying: Two memory sticks of 2GB? One ...
1
vote
1answer
344 views

If the brand, size, MHz speed and latency settings of two sets of RAM are the same, will they still work correctly in dual channel mode?

I'm planning to buy 2x4GB strips of DDR3 RAM at 1600MHz 9-9-9-27 (see here) The box that it is going in will be used to run virtual machines. This means that I may want to stick another 8Gb in it at ...
4
votes
2answers
31k views

Bad RAM sticks or faulty motherboard slots?

After a routine cleaning – removing essentially all the parts (PSU, CPU fan, GPU, HDD and DVD drive, cleaning each separately, well except for the HDD and DVD) – the system would not come ...
2
votes
2answers
13k views

Can I install 1333 MHz memory onto a laptop supporting up to 1066 MHz memory?

I have a question regarding my laptop's RAM. I have 2 slots. One is empty; the other one has a Samsung SODIMM 204-pin 2GB DDR3 1333MHz SDRAM CL9, non-ECC, unbuffered module, running at 1066 (!) MHz, ...
5
votes
1answer
5k views

How much of a performance hit using asymmetrical dual channel RAM?

As a follow-up to my question Can a P55 chipset support 6GB as 2GBx3?; I understand there might be a performance hit using an odd-number of sticks. My question therefore is - How much of a ...