Quad rank and even octa rank modules also exist, with four or eight 64-bit wide data blocks, respectively. Note – As the diagram above shows, some memory modules CAN have chips on both sides but still be single rank. In other words, it’s a single set of memory chips or a single memory bank.ĭual rank modules will have two of these data blocks and are, therefore, 128 bits wide. This is what the independent standardization body, JEDEC, has named a “rank.” These memory chips, or ranks, can either be placed on one side of a memory module or both sides.Ī single rank configuration refers to a data block (set of memory chips) that is 64 bits wide (72 for ECC memory, which houses 8 additional bits for error checking). What Are Memory Ranks?Įach memory module has a set of DRAM chips that are accessed when writing or reading information.
However, it’s important to understand what memory ranks are before we begin. Is it worth replacing your memory for either single or dual rank options?.How much does it impact your performance?.How can you tell whether your current RAM is single or dual rank?.We’ll be looking into how it affects your work and answer a few common questions like: Many small but distinct RAM specifications can add up to a significant boost in performance. How Many Ranks Should Your Memory Have?.
How to Check If Your Ram is Single or Dual Rank?.Difference Between Memory Rank and Memory Channel.It also provides information on the system's GPU.
CPU-Z is a freeware system profiling and monitoring application for Microsoft Windows and Android that detects the central processing unit, RAM, motherboard chip-set, and other hardware features of a modern personal computer or Android device.ĬPU-Z is more comprehensive in virtually all areas compared to the tools provided in the Windows OS to identify various hardware components, and thus assists in identifying certain components without the need of opening the case particularly the core revision and RAM clock rate.
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