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Sony FX3 Storage Workflow: CFexpress Type A, T7 Shield, and a 14TB Archive

External SSD and SD card storage workflow

Photo: Samsung Memory US on Unsplash.

How I Assign the Drives

  • T7 Shield 4TB #1: active edit and original camera media.
  • T7 Shield 4TB #2: verified duplicate.
  • T7 Shield 2TB: travel and smaller projects.
  • T5 1TB: temporary handoff, never the only copy.
  • WD Elements 14TB: completed-project archive with another copy elsewhere.

Recording footage is only the first half of a video job. Until the files exist in more than one place and have been verified, the project is still vulnerable.

My available storage includes an Angelbird AV PRO CFexpress Type A 1TB card, several SanDisk V30 SD cards, a Samsung T5 1TB, a T7 Shield 2TB, two T7 Shield 4TB drives, and a WD Elements Desktop 14TB drive. Each category serves a different part of the workflow.

Camera Media Is the Starting Point

The FX3 accepts CFexpress Type A or compatible SD cards in both media slots, but the required card depends on the recording format and data rate. A card should never be selected by capacity alone. Sony's media guidance and the camera's compatibility messages should be checked for the intended recording mode.

Large-capacity media reduces card changes, but it also concentrates more footage on one device. Dual-slot recording can add protection for supported modes, though it does not replace a separate backup after the shoot.

Copy Before Formatting

After recording, copy the complete camera folder rather than selecting only visible video clips. Sidecar files, metadata, proxy files, and the original folder structure can be useful to editing software and future recovery.

A practical folder name includes the date, project, camera, and card number—for example, 2026-10-02_ProjectName_FX3_Card01.

Portable SSDs for Active Projects

The Samsung T5 and T7 Shield drives can serve as portable working storage, but they should not be treated as permanent protection by themselves. A single SSD can be lost, damaged, accidentally erased, or corrupted.

The two 4TB T7 Shield drives are most useful when they have clearly assigned roles. One can hold active media while the other holds a verified second copy. The arrangement should remain consistent from project to project.

Verify the Copy

A completed progress bar is better than nothing, but professional workflows often use checksum verification to confirm that the destination matches the source. At minimum, compare folder size and file count, open several clips, and confirm that the editing application recognizes the media.

Only format the camera card after the required copies have been created, verified, and—when possible—stored in separate physical locations.

The 14TB Drive Is an Archive, Not a Complete Backup

The WD Elements Desktop 14TB drive offers useful capacity for completed projects and older footage. However, one large desktop drive is still one copy. If it fails, is stolen, or is damaged, everything stored only on that drive can disappear.

A safer plan follows the spirit of the 3-2-1 approach: three copies, on at least two kinds of storage, with one copy kept away from the primary workspace.

A Simple Order of Operations

  1. Stop recording and protect the camera card.
  2. Copy the entire card folder to the primary working SSD.
  3. Create a second verified copy on another drive.
  4. Confirm the project opens and several files play correctly.
  5. Keep the camera card unchanged until the copies are verified.
  6. Move completed projects to the 14TB archive according to a consistent policy.
  7. Maintain another copy of anything that cannot be recreated.

Final Take

Fast cards and SSDs improve workflow, but organization and verification protect the footage. The best storage system is one that is simple enough to follow after every shoot—even when the day was long and the deadline is close.

Affiliate disclosure: This article contains Amazon affiliate links. If you make a qualifying purchase, I may earn a commission at no additional cost to you. As an Amazon Associate I earn from qualifying purchases.

For the recording side of that decision, see my Sony FX3 memory-card guide.

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