Patriot
DDR5 · 5600 MT/s · CL46 · 1×16GB
Lowest price in GB across retailers
The DDR5 version of Signature Premium carries the same name as Patriot's DDR4 line but nothing else about the platform is shared — this family actually spans two different speed grades rather than one fixed rating.
Listings here run from one end of 5600 MT/s up to the other at matching CL46, and a 16GB kit at the lower grade is not the same product as a same-capacity kit at the higher one — read the specific listing rather than assuming uniformity. Configuration across the range is given as 1×16GB.
As with any DDR5 UDIMM, the rated speed only applies once the board's memory profile is enabled in firmware; left on defaults it runs at a lower JEDEC speed instead.
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.
A 2x16GB kit sits at the highest-volume point on the memory market, and volume is what actually sets price per gigabyte — not capacity, and not how new a kit's specification is.