On 2026-09-23, Blocks and Files reported that AtlasBase unveiled Thalia, a DNA storage-compute chip built on a CMOS platform with 5.6 billion electro-chemical synthesis sites, which the company says is a 700x increase over previously available DNA synthesis chips.[1] AtlasBase described Thalia as the heart of its molecular computer and said it enables synthetic DNA creation at petabyte scale for both storage and computation.[1] The company also said its storage system starts at 100 TB per LTO footprint and could scale to 5 EB in the same space.[1]
For the Lunar Ark, the strategic value is extreme density plus long retention without continuous power, cooling, or frequent migration, which are the exact failure modes that threaten long-term archives on Earth and off-world.[1] If the claimed capsule-level packaging is real, DNA storage could reduce mass, volume, and maintenance burden for deep-time backups while also enabling selective computation on archived data rather than repeated data movement.[1] The main technical caution is that this is still early-access infrastructure, not yet proven as a hardened, civilization-grade archival standard.[1]
The Ark should track three things immediately: independent validation of endurance, error rates, and retrieval fidelity; integration pathways with existing archival formats and checksum systems; and whether the platform can survive radiation, temperature swings, and multi-decade storage on the Moon. The team should also monitor AtlasBase’s Early Access Programs for Molecular Compute and Molecular Data Storage, because those are the likely first channels for real-world qualification data.[1] If performance holds under independent testing, this technology could become a high-value layer in a multi-tier Lunar Ark preservation stack, alongside magnetic, optical, and inert physical media.