How to Choose an SSD for BRAW Recording and Editing

The best SSD for BRAW is not automatically the drive with the largest “up to” number on the box. Camera recording depends on sustained writes, stable thermals, compatible controllers, reliable cables, sufficient capacity, and successful testing with the exact camera mode. Editing and backup drives have different jobs and should be selected by different criteria.

This guide avoids a product ranking because models, firmware, approved-media lists, and regional availability change. The goal is to give you a repeatable way to evaluate any candidate.

Start with the camera’s approved-media list

An approved-media list is more valuable than a synthetic benchmark. The camera manufacturer can test behavior that a laptop benchmark misses: protocol compatibility, power, recording commands, cable behavior, clip closure, sustained writes, and performance across supported modes.

Match the exact model and capacity. A 1TB and 2TB version with the same product name may use different flash layouts, controllers, or cache behavior. Do not assume approval transfers between capacities or a later hardware revision.

If a drive is not approved, it may still work, but the production is accepting additional validation risk. That can be reasonable for testing; it should be an explicit decision for paid acquisition.

Calculate the sustained requirement

Use the maximum BRAW data rate for the highest resolution, frame rate, and compression mode you expect. For Constant Quality, use the high side of the range. Add headroom rather than matching the stream exactly.

BRAW Planner uses a 25% margin and rounds upward. A 200MB/s peak becomes a target of at least 250MB/s sustained. This does not certify a drive. It creates a minimum performance screen before compatibility testing.

Why sustained? Consumer SSDs can write quickly into a small fast cache, then slow dramatically after the cache fills. A five-minute benchmark may pass while a 45-minute interview fails.

Capacity changes performance and operations

A larger drive can provide:

• Longer continuous recording
• Fewer cable and media changes
• More flash dies working in parallel
• More free area for controller management

It can also concentrate more footage on one failure domain and create a large offload event. A four-hour device may take hours to copy twice and verify. Several smaller approved devices can support parallel offloads and limit the amount exposed to a single fault.

Choose capacity around the longest uninterrupted roll and the offload cycle, not only price per terabyte.

Thermal behavior matters

An SSD may start fast and slow as the controller or flash heats up. Camera rigs can make this worse by placing the drive against a warm body, inside a closed mount, in direct sun, or near wireless transmitters.

Test in the expected environment:

• Record for the longest planned continuous take.
• Use the highest expected data rate.
• Repeat after the drive is already warm.
• Test in the actual cage or mount.
• Monitor for dropped-frame warnings.
• Play and checksum the complete clip afterward.

A drive that passes on an air-conditioned desk may not pass on an exterior in summer.

The cable is part of the recording medium

External SSD recording adds a cable and two connectors to the acquisition chain. A high-quality drive with a marginal cable is a marginal recording system.

Use a short cable rated for the required interface. Provide strain relief so a pan, focus pull, gimbal move, or operator contact cannot disconnect the drive. Avoid sharp bends at the connector. Label tested cable-and-drive pairs, and carry tested spares.

Do not judge a cable only by charging performance. A cable can deliver power but operate at a low data rate.

Filesystem and free-space discipline

Use a filesystem supported by both the camera and the production’s offload computers. Formatting in camera is usually the safest way to create the expected structure, after verified backups and media-release authorization.

Avoid running drives to the last available gigabyte. Performance and controller housekeeping can worsen near full capacity. Reserve 10–20% for routine work and more when recording time is uncertain.

Maintain a card/drive log with:

• Unique media ID
• Camera and roll number
• Format date
• Capacity and model
• Firmware if relevant
• Copy destinations and verification status
• Release approval

Recording SSD versus editing SSD

A camera-recording SSD needs compatibility, sustained sequential writes, low power, secure mounting, and predictable behavior. An editing SSD may prioritize read performance, random access, capacity, noise, portability, and connection to the workstation.

One product can serve both roles, but do not assume the requirements are identical.

For editing, estimate concurrent streams. Four BRAW streams at 150MB/s imply 600MB/s of source throughput before cache and system activity. Decode performance may become the limit first, but the storage should not be designed around a single-stream test if the project is multicam.

For backups, peak speed may matter less than verified capacity, health monitoring, warranty, and separation from the primary copy.

A practical SSD test protocol

Before production:

1. Update the camera only if the project has time to retest afterward.
2. Format the SSD in camera.
3. Set the highest planned resolution, frame rate, and most demanding BRAW mode.
4. Record the most complex scene available for longer than the intended take.
5. Fill beyond any expected fast cache; a nearly full-drive test is valuable.
6. Stop and restart multiple clips.
7. Power-cycle the camera and verify the media mounts correctly.
8. Copy the full device using checksum verification.
9. Review the beginning, middle, and end of every long clip.
10. Repeat with the spare cable and backup drive.

Keep the results with the equipment package. “It worked last year” is weaker evidence than a dated test using current firmware and the actual mode.

Warning signs during evaluation

• The manufacturer advertises only peak read speed, not sustained write behavior.
• Independent long-write tests show a severe post-cache collapse.
• The exact model or capacity is missing from the approved list.
• The enclosure disconnects when touched or moved.
• The drive becomes excessively hot in the intended mount.
• Performance changes sharply above 70–80% full.
• The product name persists while internal hardware revisions change silently.
• The workflow depends on one irreplaceable cable or device.

Buying by system role

Build a small matrix before purchasing:

Use the BRAW calculator to establish the stream and capacity requirement, then evaluate the SSD as one component of the full recording chain. The best drive is the one the camera, crew, and backup schedule can trust—not the one that wins a short benchmark.

Sources and calculation notes

• Blackmagic Pocket Cinema Camera technical specifications: camera-specific formats and storage-rate reference tables.
• Blackmagic RAW overview: manufacturer information about the codec and encoding modes.
• BRAW Planner methodology: the estimation formulas, unit conventions and limitations used on this site.

Workflow suggestions in this guide are planning guidance, not a claim that a particular camera or drive has been tested by the author.