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Database2026-05-17

Edge Storage

Also known as: Edge Storage / エッジストレージ / Vercel Blob

A category of storage services that place data near edge locations for low-latency file access. Vercel Blob, Cloudflare R2, and Fastly Object Storage are key examples, often used alongside CDN delivery.


Overview

Edge Storage provides low-latency read/write access directly from edge functions. Vercel Blob integrates seamlessly with serverless functions for managing images, PDFs, and user-uploaded files.

Difference from CDN

A CDN caches existing content at global edge nodes, while Edge Storage persistently stores data close to the edge. For S3-compatible storage comparisons, see S3 vs R2 vs Azure Blob vs GCS.

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