Corsair CMH32GX5M2B6600C38

CL38 at 6600MT/s works out to 11.5ns of true latency (38 / (6600 / 2) x 1000). It is not a latency pick. 55% of the desktop DDR5 kits in our catalog are as tight or tighter.

This is for DDR5 desktops: AMD AM5 on 600 or 800 series chipsets, and Intel 600, 700 or 800 series boards with DDR5 slots. It physically will not go into a DDR4 board. On AM5, speeds above 6000 to 6400MT/s usually switch the memory controller to a 2:1 ratio, which adds latency. 6600MT/s suits Intel boards better. Profiles: XMP 3.0.

It ships as two 16GB sticks, one per channel, the layout every consumer board runs best with. Plan capacity now: adding a second kit for four DDR5 sticks usually forces the memory down well below its rated speed. 32GB covers current games with a browser and Discord open, plus most photo and video work.

It has RGB lighting on a black heat spreader. There is no published module height, so measure clearance under a big air cooler before buying. The memory chips are not disclosed. That only matters if you plan to tighten timings manually.

It scores 8 out of 10 on our DDR5 Speed Score, which weighs transfer rate and true latency against every other DDR5 kit we list. Do not compare it with DDR4 scores.