3 Things to Know About ECC UDIMM Speed on W680 Boards

ECC UDIMMs run at full rated speed with Gear 2 A W680 board with an i9-13900K does not force a frequency penalty for ECC memory. Gear 2 is the default for speeds like 5600 MT/s.

Most DDR5 ECC UDIMMs top out at 5600 MT/s The ICs in these kits are binned for stability, not speed. A kit rated 5600 CL46 is typical.

High-bin kits exist at 6000 MT/s Some faster ECC UDIMMs are available, but they are rare. Check the kit’s rated speed before buying.