# Just 4.4% of Enterprise NAS Capacity Is Active, CTERA Cold Data Storage Report Finds

DevFeed: [Just 4.4% of Enterprise NAS Capacity Is Active, CTERA Cold Data Storage Report Finds](<https://devfeed.tech/articles/just-4-4-of-enterprise-nas-capacity-is-active-ctera-cold-data-storage-report-finds-26752.md>)

Original publisher: [Read original article](<https://www.storagereview.com/news/just-4-4-of-enterprise-nas-capacity-is-active-ctera-cold-data-storage-report-finds>)

Author: Harold Fritts

Published: 2026-09-15T12:00:00Z

Content type: news

Language: en

Sources: [StorageReview.com](<https://devfeed.tech/sources/storagereview-com.md>)

Topics: [data](<https://devfeed.tech/topics/data.md>), [Filesystems](<https://devfeed.tech/topics/filesystems.md>), [Security](<https://devfeed.tech/topics/security.md>), [Replication](<https://devfeed.tech/topics/replication.md>), [Artificial Intelligence](<https://devfeed.tech/topics/ai.md>)

Tags: [data](<https://devfeed.tech/tags/data.md>), [enterprise](<https://devfeed.tech/tags/enterprise.md>), [enterprise-nas](<https://devfeed.tech/tags/enterprise-nas.md>), [enterprise-storage](<https://devfeed.tech/tags/enterprise-storage.md>), [nas](<https://devfeed.tech/tags/nas.md>), [report](<https://devfeed.tech/tags/report.md>), [security](<https://devfeed.tech/tags/security.md>), [storage](<https://devfeed.tech/tags/storage.md>)

## AI overview

StorageReview reports on CTERA's Cold Data Storage Report, which analyzed 16 petabytes of production data from 856 enterprise NAS file-share discovery scans. The report found that 4.4% of stored capacity was actively used within 90 days, while most files were cold or inactive. The article discusses the resulting storage, data-protection, security, and AI-retrieval implications.

## Source excerpt

CTERA has published The Cold Data Storage Report, an analysis of 16 petabytes of live production data across 856 file-share discovery scans in enterprise NAS environments, including regulated industries, and the headline number is that just 4.4% of stored capacity is actively used, which the report page defines as modified within a 90-day window. The The post Just 4.4% of Enterprise NAS Capacity Is Active, CTERA Cold Data Storage Report Finds appeared first on StorageReview.com.