Can I mix different brands of RAM if they both have the same speed and voltage?


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Mixing RAM capacities

What in case your PC has 8GB, comprised of a pair of 4GB chips? If in case you have a pair of spare reminiscence slots, are you able to add two extra 8GB chips to get to 24GB?

Typically, this needs to be OK, topic to sticking to 1 model and spec. If sticking to 1 model isn’t potential – I’d counsel pulling the reminiscence that’s already there and including new reminiscence from scratch.

For instance, reasonably than hold the pair of 4GB sticks, I’d change them with a pair of 8GB and get my system as much as 16GB or 32GB that method.

It’s value noting, earlier than you improve that completely different Home windows 10 variations can use completely different quantities of reminiscence.

The 32-bit model of Home windows 10 can solely use 4GB of reminiscence.

With the varied 64-bit variations

  • Home windows 10 Residence – 128 GB
  • Home windows 10 Professional – 2TB
  • Home windows 10 Professional for Workstations – 6TB
  • Home windows 10 Enterprise – 6TB
  • Home windows 10 Schooling – 2TB


How you can Decrease the Efficiency Loss When Pairing Ram of Completely different Dimension Clock Velocity

The one factor that may decrease the efficiency loss (not eliminating it) is the voltage. Now as you may have ram modules with completely different manufacturers and sizes, it’s higher to discover a candy spot between each so that you just get probably the most out of them.

One other issue to search for is the CAS Latency of your ram module. CAS or Column Tackle Strobe is expounded to the variety of cycles it takes for a ram module to entry in certainly one of its columns.

Total, it’s higher in case you search for CAS Latency and Voltage two completely different ram modules from the identical model. Ram modules from completely different manufacturers can have a minute distinction in CAS Latency and voltage even when they give the impression of being related.

Dangers of blending RAMs

So we noticed that that is one thing that we will do. We noticed the best way to do it and what ought to we remember whereas we’re doing it. Now let’s see whether or not or not mixing RAMs is value your complete effort. What are the dangers and failures ready for us if we fail to do it and what can we really lose within the course of.

If you don’t contemplate the components which have been described above, like voltage or manufacturers of the RAM and ultimately, the DIMMs fail to work with one another, the PC could face BSoD.

Blue Display of Dying is a state of the pc or evidently a state of error of the pc which has existed since Home windows 1.0. When Home windows faces this error, it implies that the Home windows have crashed attributable to a deadly system error. On this situation, it can’t function safely any longer.

This will occur if the motherboard of your laptop is just not very keen on one of many newly put in RAM disks in your system.

I might counsel that if you’re bent on altering the RAM and mixing it for that matter, don’t do it simply because the pc man subsequent door made it look so cool.

It isn’t as straightforward because it sounds. Until you might be certain of matching the RAM manufacturers, the voltage, the dimensions, the CAS, and the opposite components that I’ve mentioned above, don’t do this. For those who blatantly exit and blend the RAMs then you’ll threat shedding your complete system to the Blue Display of Dying error. Until in fact if you’re certain you may have all the main points correct.

Are you able to Combine Completely different Speeds of RAM?

Completely different speeds of RAM may be blended but it surely’s not really helpful for optimum efficiency.

It’s because the pace of two completely different sticks don’t match. The reminiscence controller usually runs all hooked up RAM on the identical pace and timing, so if one stick runs at 1600mhz and has a sooner pace however the different is slower at 1333mhz, it has to run all of them on the slower pace of 1333mhz.

Moreover, it might or could not run because of the distinction in timing. Utilizing the very same pace of sticks is good to forestall operating into some other issues and slower RAM pace.

Understanding RAM Specs

Whilst you might theoretically use any RAM stick that loosely matches the specs of your present RAM module or modules, you’ll almost certainly compromise the efficiency and stability of your system. That’s as a result of there are fairly a couple of specs you’ll want to take note of, so let’s take a more in-depth take a look at them within the order of their significance.


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Ceaselessly Requested Questions About RAMs

1. How Many RAM Slots Does A Motherboard Have?

Most fashionable motherboards assist 4 slots or two dual-channel slots.

Nonetheless, the utmost supported RAM could differ.

For example, one motherboard could assist as much as 4x 8GB sticks, whereas one other can deal with 4x 16GB sticks.

Excessive-end servers could include extra slots, usually supporting as much as 128 GB of RAM, which isn’t uncommon for intensive computations.

Lastly, supercomputers are designed to have dozens of slots and assist a number of terabytes of momentary reminiscence.

2. How Do I Know How Many RAM Sticks I Have?

Though opening up your laptop could look like the simplest strategy to depend the variety of sticks, you don’t really need to do any bodily work or threat damaging your laptop.

Virtually all working methods include a instrument or setting to let you know about your RAM configuration.

On Home windows 10, press the Home windows key and sort in Process Supervisor.

Alternatively, you possibly can press Ctrl + Shift + Esc.

When you’re within the Process Supervisor, go to the Efficiency tab after which Reminiscence.

You’ll be able to see the variety of slots in your motherboard, and what number of of them are getting used.

For those who’re on a Mac, go to About This Mac and click on on Extra Info.

The display screen offers you a primary graphical illustration of the variety of accessible slots and the way they’re occupied.

Lastly, for Linux customers, you should utilize a command-line instrument (like nearly every little thing else in Linux!).

Fireplace up your terminal by urgent Ctrl + Alt + T, kind sudo dmidecode -t 17, and hit enter.

For those who’re prompted to enter your admin password, kind it in and hit enter once more.

The command offers you a listing of your bodily playing cards in addition to a number of different helpful details about every stick’s traits.

3. Can I Use All RAM Slots On My Motherboard?

The last word reply will depend on your motherboard, but it surely’s nearly all the time higher to have a good variety of an identical sticks.

In case your motherboard comes with 4 slots, ideally go away two of them empty.

For those who want a considerable amount of RAM, use all 4 as leaving one slot empty could cause efficiency points.

RAM Dimension

RAM sticks are bought with 4 GB to 32 GB of reminiscence. You’ll be able to freely combine RAM sizes, however there’s one purpose why you shouldn’t: dual-channel reminiscence configuration.

You see, your CPU doesn’t talk along with your RAM sticks instantly. As a substitute, it passes data by way of the so-called reminiscence controller, which has two 64-bit (whole 128-bit) channels at the least on most motherboards.

For those who purchase a RAM package that consists of two an identical RAM sticks, your laptop will nearly actually robotically default to a dual-channel configuration, basically doubling the reminiscence bandwidth. For those who add a mismatched RAM stick, it’s going to run within the single-channel (asymmetric) mode, which offers single-channel bandwidth and makes use of the slowest supported reminiscence timing.

Can You Combine RAM Sticks of Completely different Sizes?

When upgrading RAM, it’s really helpful that you just improve in pairs of equal dimension, frequency, and producer. Additionally, make sure that you confirm your PC mannequin to make sure that the RAM is compatible with your system utilizing the producer’s web site or person handbook of the motherboard.

For those who set up one single 16GB DDR4-3200MHz module in your system, it’s going to solely run at 1600MHz, generally known as (single-data price). Additionally, in case you set up two or extra RAM modules, corresponding to one 16GB DDR4-3200 and one 8GB DDR4-3200, the dual-channel mode might be disabled, which might critically cut back your PC’s efficiency.

On Intel motherboards, that assist Intel Flex mode, nevertheless, the additional portion of the bigger RAM module will run in single-channel mode, and the primary chunk of matching 8GB on the mis-sized modules will run in twin channel mode. AMD motherboards are extra delicate to mismatched RAM sizes and often throw instability points.

One other situation with mixing RAM is latency. Latency is the variety of clock cycles (measured in nanoseconds) it takes to entry knowledge in one of many RAM modules columns.

For those who set up an 8GB Module of RAM with an 18 CAS latency and one 8GB module with a 16 latency, the modules will function on the slowest CAS latency. Which means each modules put in will run at 18 CAS latency.

Though these strategies have been examined, it serves to say that there are experiences of individuals receiving a BSOD (Blue Display Of Dying) every so often attributable to incompatible RAM sizes of their PCs. Intel affords FlexMode that enables higher flexibility when putting in completely different RAM varieties.

To allow a PC with out Intel FlexMode, corresponding to an AMD-powered machine to get probably the most out of your RAM, set up two an identical RAM modules (bought as kits in pairs) corresponding to (2) 16 DDR-3200 into your motherboard within the appropriate slots.

Look to your motherboard’s handbook or producer’s web site for extra data.

Sometimes, the association is correctly drawn within the motherboard’s person information or handbook, and in addition discovered on the respective producer’s web site. This association exhibits the sequence of filling a number of RAM slots, for the correct dual-channel mode, and is very crucial for boards with greater than 2 RAM slots.

Can You Combine Completely different CAS Latency And Timings?

The story is similar for latency and timing.

It’s potential to combine two RAM sticks with completely different latencies, however your system will robotically pressure the one with the sooner timing to work on the lowest degree, which can trigger efficiency points.

If you realize your method across the BIOS settings, you would possibly be capable of get RAMs with various latencies and frequencies to work easily collectively, but it surely’ll take plenty of effort and time, and it’ll nonetheless be a coin toss.


Finally, there isn’t any hurt in pairing ram modules from two completely different manufacturers, however there aren’t any expectations of excessive efficiency as nicely. It’s really helpful to put in DIMMs from the identical manufacturers and with the identical specs if you wish to improve the efficiency of your system.

Additionally, learn concerning the Best Ram for Gaming Laptops


About Isaac Atia

View all posts by Isaac AtiaAs an avid gamer for 20+ years, I spend hours researching customized PC builds and elements. I assessment varied CPUs, motherboards, RAM, and gaming peripherals. I usually check elements in my dwelling workplace in New York Metropolis. To make sure the best degree of accuracy, I usually seek the advice of with different specialists and business professionals.

View all posts by Isaac Atia