I don’t know who needs to hear this but 128GB BD-R XL M-DISC is SOTA for consumer-available archival optical storage (for backing up your models)

In three linesPractical guide for archiving local LLMs: BD-R XL M-DISC 128GB Blu-Ray disks ($12-14 each) offer best consumer archival durability (10 human lifespans). Compatible burners: ASUS 16D1X-U (~$100-250), LG/Buffalo alternatives from $80. M-DISC preferred over volatile USB storage.

Summary generated by Claude — human-verified