Non-ECC (also called non-parity) modules do not have this error-detecting feature. Any chip count not divisible by nine indicates a non-parity memory module. Using ECC decreases your computer's performance by about 2 percent. Current technology DRAM is very stable, and memory errors are rare, so unless you have a need for ECC, you are better The RAM will run in flex mode. You'll get 16GB running in dual channel, and the leftover 8GB will run in single channel. PCPartPicker Part List. Type. Item. Price. Memory. Crucial Ballistix 32 GB (2 x 16 GB) DDR4-3200 CL16 Memory. $112.99 @ Amazon. I have Dell G7 - 7588. It has two 8gb ram both single rank. it came with 1x8gb and then I upgrade it to 16gb with new 8gb single ram. Now I want to take that second 8gb ram and replace it with single rank 16gb ram. But I am confused if they will be work OK together? Or will conflict.. Thanks in advance. Mixing capacities or mis-matching modules You technically can, but it will limit your ability to overclock them so you may not hit the rated speed anymore. Also you would alternate them (8+16+8+16), not group them together. Unless you really need >32GB, I would stick with the 16+16 alone. Absolutely! @QwertZ The chance of incompatibility would be slightly lower (as mentioned by LPChip non-matching sticks can sometimes refuse to work together), but you wouldn't necessarily gain any performance. A 3200 MHz stick underclocked to 2666 MHz would work the same as a 2666 MHz stick, unless you can find a set of 2666 MHz sticks with lower timings. God this is confusing. AMD doesn't publish any data on how this works, but Intel does. Very likely it works the same as Intel CPUs though, it did so in the past. On an Intel CPU you would indeed have the same thing as before, only with 32 bit dual channels per controller, so 16 GB 32 bit wide quad channel and 8 GB 32 bit wide dual channel memory. Oct 17, 2021. #1. I regularly use 2 Mac mini M1's - one with 8GB of RAM and one with 16GB of RAM. They are both used almost exclusively by me, and they run exactly the same productivity software. Each has 256GB of RAM + an external disk for my photo library, connected to nearly identical Dell monitors. Each machine is up-to-the-very-latest When workloads exceed the dual channel RAM usage of 16GB (8GB+8GB portion of the 16GB), it then suffers on performance due to lack of dual channel speeds. Like the other person who posted, best to replace the 8GB RAM with a 16GB stick if you can. But if I were to drop to 8gb, everything would use less memory because it doesn't see a giant pile of free memory. So there's a reason most people recommend 16gb for general use, in that it really is enough. Yes, you can upgrade your RAM from 4GB to 16GB. If your laptop is not too old, you should have at least two RAM slots. If your existing RAM is 4GB, you can replace it with two sticks of 8GB RAM. If your laptop has four slots, you can insert a 4GB stick in each slot. Upgrading RAM is a process most of us need to go or have gone through in our eXUVg.