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ASUS Demos HUDIMM, the One‑Channel DDR5 Standard Backed by ASRock and Intel

The design halves per‑module capacity to trim costs for entry‑level desktops.

Overview

  • An ASUS ROG engineer showed the concept working on a Maximus Z890 Apex by disabling one sub‑channel on 24 GB sticks, which made the system read 12 GB per module.
  • ASRock has added BIOS support across its Intel 600-, 700-, and 800‑series motherboards, with Intel publicly endorsing the effort to keep DDR5 builds affordable.
  • HUDIMM uses a single 32‑bit lane instead of the usual two, which cuts the number of DRAM chips, reduces bandwidth and capacity per stick, and lowers manufacturing cost.
  • ASRock reported that mixed setups can run, citing an 8 GB HUDIMM paired with a 16 GB UDIMM that showed higher bandwidth than one 24 GB UDIMM on its H610M COMBOII board.
  • TeamGroup plans compact HSODIMM versions for small PCs such as ASRock’s DeskMini, while wider pricing effects and broad vendor adoption remain unconfirmed.