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Will RAM with CL17 work on a device that specifies CL22? (lemmy.world)

submitted 1 year ago by mypasswordis1234@lemmy.world to c/asklemmy@lemmy.ml

3 comments fedilink hide all child comments

cross-posted from: https://lemmy.world/post/15857572

More specifically, the HP T640 device.

The manufacturer declares compatibility with CL22 latency and 2400 MHz clocking. If I buy RAM with CL17 and 2400 MHz clocking, will it work?

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[–] BlackEco@lemmy.blackeco.com 20 points 1 year ago (1 children)

Computers are not specified for a specific RAM latency (the number in CLXX describes the latency of the RAM), you can put whatever you want.

Just note that in the case that you add a second stick of RAM and that the latencies are mismatched, the computer will pick the slowest of the two (in your case, CL22, so that won't change anything latency-wise)

[–] ryannathans@aussie.zone 8 points 1 year ago

The bigger number is slower because it's latency represented in clock cycles, and can only be compared for memory rated for the same frequency