Micron
DDR5 · 5600 MT/s · CL46 · 1×32GB
Lowest price in DE across retailers
The 5600 MT/s bin in Micron's ECC RDIMM range sits above the 4800 grade in the same server-oriented DDR5 lineup — registered modules built for platforms that need error-correcting memory and can address more capacity per channel than unbuffered kits allow.
This one is a 1×32GB module at 32GB, rated 5600 MT/s CL46. As with the slower bin in this line, both capacities share one 5600 MT/s/CL46 pairing, so choosing between listings comes down to how much DDR5 a given channel or workload requires rather than any difference in timing.
This is RDIMM, meaning it needs a server or workstation board built for registered ECC memory; it is not a fit for a desktop board expecting unbuffered non-ECC modules.
Flare X5 is a heatspreader-only DDR5-6000 line built for clearance-constrained builds, and within this 6000 MT/s grade every listing shares that one headline speed — the CL bin and capacity are the only things actually separating listings.
FURY Beast at 6000 spans three CL grades under one name plus a four-module 64GB option its 5600 sibling doesn't offer, which makes matching the exact SKU more important here than with most families.
DDR5 doubled the bandwidth and moved power regulation onto the module. Whether that is worth paying for depends entirely on which platform you are building.
Crucial Pro trades looks for a compatibility-first, overclocking-headroom pitch, and within this 6400 MT/s grade, CAS latency -- not the shared headline speed -- is the number that actually separates one listing from another.
16 GB is no longer comfortable, 32 GB is the sensible default, and 64 GB is a workload decision rather than a future-proofing one.
Capacity avoids stutter caused by running out of memory; speed affects how efficiently the CPU feeds data to the GPU. They solve different problems, and buying enough of the first one before spending on the second is the right order.