Pure SSD Capacity: DRAM Limitations Constrain Increases
The New Limitations Imposed by DRAM
Introduction: SSDs, or Solid State Drives, have revolutionized the way we store and access data. With their faster read and write speeds, they have become the go-to choice for computer users seeking improved system performance. However, as we continue to push for larger SSD capacities, a new limitation has emerged: DRAM, or Dynamic Random Access Memory. In this article, we will explore how DRAM affects the potential capacity of pure SSDs.
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Understanding DRAM: DRAM is a type of volatile memory used as the primary memory in computers. It stores data that the CPU can quickly access, making it essential for the efficient operation of the system. DRAM chips come in various sizes, with the most common being 4GB, 8GB, and 16GB.
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The Role of DRAM in SSDs: SSDs use DRAM as a cache or buffer to improve their performance. This cache, called the SLC (Single-Level Cell) cache, stores data temporarily to allow the SSD to read and write data faster. The size of the SLC cache directly impacts the SSD’s read and write speeds.
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The Impact on