RAM Speed and Timings Explained: Does it Actually Matter for Your Build?

When building or upgrading a workstation, memory is often treated as a secondary concern after the CPU and GPU. Many users simply look for the largest capacity they can afford and ignore the technical specifications listed on the box. However, the relationship between RAM frequency and latency defines how quickly your processor can access the data it needs to perform calculations. Understanding the difference between raw megahertz and clock cycles is essential for maximizing system stability and performance, especially in high throughput environments like virtualization or video rendering. Frequency vs. Latency: The Great Balancing Act RAM performance is dictated by two primary factors: frequency and timings. Frequency is measured in MegaTransfers per second (MT/s), though often incorrectly labeled as MHz. This represents the bandwidth, or how much data can be moved at once. Timings, specifically Column Address Strobe (CAS) latency, represent the delay between a command being sent and