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Raspberry Pi Compute Module 5 (CM5) SD card requirements

Best SD Card for Raspberry Pi Compute Module 5 (CM5)

Expert recommendations based on Raspberry Pi Compute Module 5 (CM5) specifications

Recommended Spec

microSDXC (on carrier board, when not using onboard eMMC) (High Endurance rated or faster)

The CM5 comes with 16GB to 64GB of onboard eMMC, or as a Lite version that boots from a microSD slot on the carrier board. For a Lite build running around the clock, use a high-endurance card.

Official Raspberry Pi Compute Module 5 (CM5) SD Card Requirements

  • Format: microSDXC (on carrier board, when not using onboard eMMC)
  • Minimum Speed: High Endurance rated (Sustained continuous-write rating, not burst speed write)
  • Maximum Capacity: No official limit (carrier-board dependent)
Why these requirements? The CM5 is a System-on-Module sold with 0GB (Lite), 16GB, 32GB, or 64GB of onboard eMMC for builders who order it that way. If you're using the Lite SKU with a carrier board's microSD slot instead, this is not a desktop Pi 5 install card. CM5 boards are overwhelmingly deployed as embedded/server hardware running persistent logging, local databases, or always-on services. That workload is continuous overwrite, not occasional boot reads. Ignore A1/A2 speed-class shopping advice here and pick a card rated for sustained write endurance (TBW), the same logic used for dash cams and surveillance recorders, or budget for the onboard eMMC SKU if your carrier board supports it.

Detailed Specifications

Type
microSDXC (on carrier board, when not using onboard eMMC)
Min Speed Class
High Endurance rated
Write Speed
Sustained continuous-write rating, not burst speed
Recommended Size
64GB, 128GB
Max Capacity
No official limit (carrier-board dependent)

Top SD Card Recommendations

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SD Card Verified Speed Class Write Speed Pros Price
SanDisk MAX ENDURANCE V30 SD card - 100USD
SanDisk MAX ENDURANCE
 Full Review 		V30 Up to 40 MB/s
  • Rated for up to 120
  • 000 hours of recording (256GB). Built for 24/7 dash cams and security cameras.
 $ Check Price
Samsung PRO Endurance V30 SD card - 45USD
Samsung PRO Endurance
 		V30 Up to 40 MB/s
  • Rated for up to 140
  • 000 hours of recording (256GB). A common pick for dash cams.
 $ Check Price

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specialty
SanDisk MAX ENDURANCE

SanDisk MAX ENDURANCE

 $$ · Specialty
  • UHS RatingUHS-I
  • Speed ClassV30
  • App PerformanceN/A
  • Read SpeedUp to 100 MB/s
  • Write SpeedUp to 40 MB/s
  • EnduranceUp to 120,000 Hours
Available Capacities32GB, 64GB, 128GB, 256GB

Pros

  • Rated for up to 120
  • 000 hours of recording (256GB). Built for 24/7 dash cams and security cameras.

Cons

  • Slower writes than standard cards of the same price.
View on Amazon
specialty
Samsung PRO Endurance

Samsung PRO Endurance

 $ · Specialty
  • UHS RatingUHS-I
  • Speed ClassV30
  • App PerformanceN/A
  • Read SpeedUp to 100 MB/s
  • Write SpeedUp to 40 MB/s
  • EnduranceUp to 140,000 Hours
Available Capacities32GB, 64GB, 128GB, 256GB

Pros

  • Rated for up to 140
  • 000 hours of recording (256GB). A common pick for dash cams.

Cons

  • Built for endurance
  • not speed.
View on Amazon

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SanDisk MAX ENDURANCE

The SanDisk MAX Endurance is rated for up to 120,000 hours of continuous recording on the 256GB version. Its V30 rating covers 4K dash cams, and it is built for the constant rewriting that wears out standard cards in dash cams and security cameras.

Target User: Content creators, videographers, and professionals who require high-performance and durable microSD cards.
Best For: Action Cameras, Drones, Mirroless Cameras, DSLR Cameras, Security Cameras, 8K Cameras

Consider SanDisk Max Endurance over competitors that offer lower write speeds, allowing for smoother and more efficient video recording and data transfer.

Frequently Asked Questions

What SD Card Do I Need for Raspberry Pi Compute Module 5 (CM5)?
The Raspberry Pi Compute Module 5 (CM5) takes a microSDXC (on carrier board, when not using onboard eMMC) card rated High Endurance rated or faster. 64GB or 128GB covers most owners, and the maximum is No official limit (carrier-board dependent). Buy SanDisk, Lexar, Samsung or Kingston from a reputable seller: counterfeit cards are the most common cause of lost files.
Should I buy the CM5 with onboard eMMC or use a microSD card?
Onboard eMMC is more durable and faster for continuous server workloads if your carrier board and budget support it. If you go with the Lite (0GB) SKU and a microSD card instead, treat the card like dash-cam storage: prioritize write endurance (TBW) over speed class.
Do I need a V30 or A2 card for the Compute Module 5?
No. Those speed classes target desktop responsiveness and video bitrate, not this device's actual use case. CM5 boards are typically embedded/server builds running logging or databases 24/7. A High Endurance card (SanDisk MAX ENDURANCE, Samsung PRO Endurance) will outlast a standard A2 card by years under that write pattern.
Is High Endurance rated required for Raspberry Pi Compute Module 5 (CM5)?
Yes. High Endurance rated guarantees Sustained continuous-write rating, not burst speed of sustained write, which keeps the Raspberry Pi Compute Module 5 (CM5) free of slow loads, stutter, or write errors. Faster cards work too.
What size SD card should I get for Raspberry Pi Compute Module 5 (CM5)?
64GB covers light use; 128GB suits heavy use. Maximum capacity: No official limit (carrier-board dependent).
Can I use older or slower cards with Raspberry Pi Compute Module 5 (CM5)?
Not below High Endurance rated. Slower cards cause slow loads, stutter, or write errors. Check the card label for the High Endurance rated mark.
Does the card type matter for Raspberry Pi Compute Module 5 (CM5)?
The Raspberry Pi Compute Module 5 (CM5) accepts microSDXC (on carrier board, when not using onboard eMMC). Choose by speed class and capacity; the device's limits are the same for each.
Does the brand matter for Raspberry Pi Compute Module 5 (CM5)?
Yes. SanDisk, Lexar, Samsung and Kingston cards meet their rated speeds. Buy from the brand's store or a major retailer: counterfeit cards sold under those names are common on marketplaces.
What happens if I use the wrong card with Raspberry Pi Compute Module 5 (CM5)?
A card slower than High Endurance rated causes slow loads, stutter, or write errors. A card over the maximum capacity or in the wrong format may not be recognized.
How long will an SD card last in Raspberry Pi Compute Module 5 (CM5)?
Several years in normal use. Cards usually fail from wear or counterfeit flash, not age. Replace yours at the first write error, corrupted file or "card not recognized" message.

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