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I replaced my laptop's RAM. I believe the new RAM should have a latency of 18CL at 3200MT/s. But decode-dimms lists the timings as "A-RCD-RP-RAS (cycles) as DDR4-3200 22-22-22-52". Why is the CAL l...
#2: Post edited
by
tartley
·
2023-07-25T16:22:31Z (over 1 year ago)
#1: Initial revision
by
tartley
·
2023-07-25T16:11:08Z (over 1 year ago)
Why does `decode-dimms` report my CL-18 RAM timings as 22-22-22-52?
I replaced my laptop's RAM. I believe the new RAM should have a latency of 18CL at 3200MT/s. But `decode-dimms` lists the timings as "*A-RCD-RP-RAS (cycles) as DDR4-3200 22-22-22-52*". **Why is the CAL latency (the first 22) not 18?** The RAM is two 16GB modules: [F4-3200C18-16GRS](https://www.gskill.com/product/2/197/1540867459/F4-3200C18D-32GRS), listing timings of "*3200 CL18-18-18*". The laptop is a [System76 Gazelle (gaze17)](https://tech-docs.system76.com/models/gaze17/README.html), which lists memory capacity as "*Up to 64GB (2x32GB) dual-channel DDR4 SO-DIMMs @ 3200 MHz*".