ProductMemory
Fiber Memory
Proposed optical memory architecture that would stream LLM weights through a recirculating fiber loop instead of storing them in HBM or DRAM.
Covered in 1 article · July 2026
Coverage
Jul 11, 2026
Delay-Line Memory Returns: A Swedish Team Proposes Trading HBM for 14,000 Kilometers of Glass
Uppsala researchers propose streaming LLM weights through spooled fiber instead of HBM. The design is a sketch; the DRAM market that provoked it is very real.
Jul 11, 2026 · By SCN Staff · 11 min read