When dealing with compressed files (e.g., .tar.gz ), 2.9 GB may refer to the uncompressed content size.

"To verify the content size of a compressed archive, use the command gzip -l [filename] . For files around 2.9 GB , this provides a quick ratio of compressed versus uncompressed data without needing to fully extract the archive."

Draft genome of the Cuban Painted Landsnail Polymita picta, ... - PMC

Which of these contexts fits the you are working on?

In gaming and PC performance, 2.9 GB is a common baseline for system-level video memory (VRAM) consumption.

"Researchers have released the first high-quality draft genome of [Species Name], featuring a scaffolded assembly of 2.9 Gb . This milestone, achieving an N50 of [Value], provides a critical reference for studying the genetic diversity and evolution of [Species]." 2. Graphics Performance (VRAM Usage)

In bioinformatics, 2.9 Gb is approximately the size of the human genome and several other species. This figure is often cited when releasing a "draft" assembly.