![]() Now the reason why dual-rank is faster is very simple, RAM (Random Access Memory) only does two things: It is accessed and it is refreshed, and one memory rank can only handle one of those operations per cycle. ![]() If you want to know the rank count of your current memory kit, just to open CPU-Z, click on the SPD tab, and ranks are listed right over there. Now I wouldn’t be surprised if other manufacturers started doing the same thing, but we will just have to wait and see. ![]() For example, Crucial has transitioned all of their high-speed Ballistix Max 32GB kits to single-rank in order to push their frequencies. However, there are a few very minor exceptions. 8GB sticks are single-sided and single-rank, 16GB and higher sticks are dual-sided and dual-rank. Right now the majority of DDR4 kits follow a pretty basic rule. On the other hand, a standard dual-rank memory module would have chips on both sides, with each side forming its own grouped rank. Therefore this is a single-sided single-rank memory stick. You see this memory stick the memory stick above? The eight memory chips are all grouped together in a single-rank, and if I flip the memory over there are no memory chips on the other side. To put it super simply a rank is a group of memory chips that are all physically linked together, and that can all be accessed at the same time together. That topic is single-rank versus dual-rank memory modules, but let’s start with explaining what rank actually is. Now speaking of the platform, we are going to talk about a well-known and settled topic that for some crazy reason people seem to be rediscovering with Ryzen 5000. Later in this article we are going to push the AMD platform to the max with it, but the bigger question is will it make much of a difference? Memory Ranks They have also been able to bin memory chips, which allows them to create kits like the Ballistix Max DDR4-5100, which the fastest memory kit on the planet right now. Now since Crucial and Micron, their parent company, are able to control pretty much all aspects of DRAM production these kits can be tuned from the ground up for some pretty unique creations. That is important for this video since it will give us a chance to test at lower frequencies, but much tighter timings. Their matte black non-illuminated look are just perfect for blending in with pretty much any build, and they are fast too with 32GB kits hitting the DDR4-4400 mark. Then there is the Ballistix Max series, and I’m sure you have seen me using them in a bunch of builds lately. These are available in speeds up to DDR4-3600 right now, and represent the more affordable options in Crucial lineup. Personally, I prefer the stealth looks of the standard non-RGB modules that come in three different heatspreader colours like white, black, or red. ![]() The standard Ballistix lineup comes with either a plain heatspreader or RGB that is controllable with your motherboard software. The first thing I really want to talk about is the memory kits that Crucial sent our way for this article, because I will be referring to them a lot. We are going to do this by explaining the effects of three main things: memory ranks, latency, and frequency, and what each of those things means. This isn’t meant to point out a single kit and say “hey that one’s the best” but rather to guide you into making a more informed decision. Yes, I know there are a lot of these around, but our intent here is to approach this as a guide for newcomers. Anyways, with every new processor release there is always something new to learn and discover and in this article we are going to focus on what you should look for in a memory kit that is going to be paired with a Zen 3 CPU. Thankfully, unlike the AMD GPUs at least the processors are being restocked semi-regularly. It has been a little over a month since the Ryzen 5000 series CPUs have launched, and I think it is fair to say that they have been well received by consumers since every model is sold out absolutely everywhere. ![]()
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