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Raspberry Pi 4 Model B SD card requirements

Best SD Card for Raspberry Pi 4 Model B

Expert recommendations based on Raspberry Pi 4 Model B specifications

Recommended SD Card

microSD (Class 10 / U1 or faster)

Like all Raspberry Pis, the Pi 4 runs its OS from the microSD card.

Official Raspberry Pi 4 Model B SD Card Requirements

  • Format: microSD
  • Minimum Speed: Class 10 / U1 (10 MB/s write)
  • App Performance: A1 (Required for OS/Apps)
  • Maximum Capacity: Up to No official limit
Why these requirements? Like all Raspberry Pis, the Pi 4 runs its OS from the microSD card. An A1 or A2 rated card is crucial for good performance. The A-rating signifies faster random access speeds, which translates to a more responsive desktop experience and faster application launch times.

Detailed Specifications

Type
microSD
Min Speed Class
Class 10 / U1
Write Speed
10 MB/s
Recommended Size
32GB, 64GB
Max Capacity
No official limit

Top SD Card Recommendations

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SD Card Speed Class Write Speed Pros Price
SanDisk Ultra microSD C10 SD card - 20USD
SanDisk Ultra microSD
C10 Up to 20 MB/s
  • Cheap
  • reliable
  • huge capacities available.
$ Check Price
Kingston Canvas Select Plus V10 SD card - 20USD
Kingston Canvas Select Plus
V10 Up to 85 MB/s
  • Ultra-affordable lifetime warranty.
$ Check Price
Samsung EVO Select (Blue) V30 SD card - 20USD
Samsung EVO Select (Blue)
V30 Up to 60 MB/s
  • Best value for money. Excellent 10-year warranty.
$ Check Price
Amazon Basics Micro SDXC U3 SD card - 20USD
Amazon Basics Micro SDXC
U3 Up to 90 MB/s
  • Great value for budget buyers. Reliable performance for everyday use and basic 4K. A2 rated for app performance.
$ Check Price

Frequently Asked Questions

What SD Card Do I Need for Raspberry Pi 4 Model B?
The Raspberry Pi 4 Model B requires a microSD card with Class 10 / U1 speed rating for reliable performance. We recommend 64GB capacity as the sweet spot balancing storage capacity with affordability. The device supports up to No official limit, though most users find 64GB sufficient for daily use. Always choose from trusted brands like SanDisk, Lexar, or Kingston to ensure consistent performance and avoid data loss.
Is a V30 card good for a Raspberry Pi 4?
A V30 rating is not the most important spec. Look for an A1 or A2 rating instead. The V30 rating is for video and doesn't affect OS performance. The Application Performance Class (A1/A2) is what makes the Pi 4 feel fast and responsive.
What is the minimum recommended capacity for Raspberry Pi 4?
A 32GB card is a good minimum for Raspberry Pi OS with a desktop environment. This leaves enough space for installing several applications and for project files. For more complex projects or storing media, 64GB or larger is recommended.
Is Class 10 / U1 required for Raspberry Pi 4 Model B?
Yes, Class 10 / U1 is recommended for Raspberry Pi 4 Model B. It guarantees a minimum sustained write speed of 10 MB/s, which is necessary for stable recording without dropped frames or errors.
What storage capacity should I get for Raspberry Pi 4 Model B?
We recommend 32GB or 64GB cards. A 32GB card is good for typical use, with No official limit as the maximum supported capacity. Larger sizes are useful if you shoot frequently and want to minimize card swaps.
Can I use older or slower cards with Raspberry Pi 4 Model B?
Not recommended. Cards slower than Class 10 / U1 may cause dropped frames, corrupted files, or recording failures. Always use Class 10 / U1 minimum for reliability.
Does the brand matter for Raspberry Pi 4 Model B?
Yes, trusted brands like SanDisk, Lexar, and Kingston are recommended. Quality brands have better reliability and warranty support. Avoid unknown brands, especially for demanding devices.
What happens if I use the wrong card with Raspberry Pi 4 Model B?
Using cards slower than Class 10 / U1 can cause: dropped frames during recording, corrupted files, or complete recording failure. Stick to Class 10 / U1 minimum to avoid data loss.
How long will an SD card last with Raspberry Pi 4 Model B?
Quality SD cards typically last 3-5 years with normal use. Replace your card if you experience read/write errors, corrupted files, or if it's been dropped or exposed to extreme conditions.

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