On Sun, 10 Jan 2021 12:32:47 -0500, Paul wrote:

| That's dual channel. You can swap an 8GB in there and the
| BIOS will run the two sticks, at the slower of the capabilities
| of the two sticks. So if one is CAS12 and the other CAS13,
| the setting for all sticks is CAS13 (slower). A difference that
| small would be "down in the noise". You would not change out
| all the RAM "just so it could be CAS12" for example.
|
| To detect a difference, I'd start by running the 7-ZIP
| benchmark. As it's sensitive to RAM.

There shouldn't be any difference. The 8GB stick that replaces the 4GB will be
precisely the same as the existing 8GB, both Samsung M471A1K43CB1-CTD DDR4-2666. CAS
latency is 19. I'm as big a stickler about matching brand and model of twin memory
modules as I am about matching size.

Larc