Best SD Cards For Raspberry Pi 4 Model B
Expert recommendations based on Raspberry Pi 3 Model B+ specifications
Recommended SD Card
microSD (Class 10 / U1 or faster)
The Raspberry Pi 3 is less powerful than newer models, but its performance still benefits from a fast card.
Official Raspberry Pi 3 Model B+ SD Card Requirements
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Format: microSD
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Minimum Speed: Class 10 / U1 (10 MB/s write)
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App Performance: A1 (Required for OS/Apps)
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Maximum Capacity: Up to No official limit
Why these requirements? The Raspberry Pi 3 is less powerful than newer models, but its performance still benefits from a fast card. A Class 10 card is the minimum for a usable experience. An A1-rated card is recommended as it provides a noticeable boost in OS responsiveness, especially when launching applications or booting up.
Detailed Specifications
Type
microSD
Min Speed Class
Class 10 / U1
Write Speed
10 MB/s
Recommended Size
16GB, 32GB
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 | Up to 20 MB/s |
|
$ Check Price |
Kingston Canvas Select Plus
|
V10 | Up to 85 MB/s |
|
$ Check Price |
Featured Products on Amazon
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Kingston Canvas Go Plus 128GB microSD Card | Up to 200MB/s | Class 10, UHS-I, U3, V30, A2 | SDCG4/128GB
$19.99
View on Amazon
Kingston 128GB microSDXC Canvas Go Plus 170MB/s Read UHS-I, C10, U3, V30, A2/A1 Memory Card + Adapter (SDCG3/128GBCR)
$20.97
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Kingston 128GB Canvas Select Plus microSD Card | Up to 150MB/s | Class 10, UHS-I, U1, V10, A1 | SDCS3/128GB
$11.95
View on Amazon
Frequently Asked Questions
What SD Card Do I Need for Raspberry Pi 3 Model B+?
The Raspberry Pi 3 Model B+ requires a microSD card with Class 10 / U1 speed rating for reliable performance. We recommend 32GB capacity as the sweet spot balancing storage capacity with affordability. The device supports up to No official limit, though most users find 32GB sufficient for daily use. Always choose from trusted brands like SanDisk, Lexar, or Kingston to ensure consistent performance and avoid data loss.
Do I need a fast card for the Raspberry Pi 3?
Yes, a Class 10 card is the minimum you should use. While the Pi 3 is not as fast as a Pi 4 or 5, using a slow, non-rated card will result in a very sluggish and frustrating user experience. An A1-rated card is the best value for performance.
Is Class 10 / U1 required for Raspberry Pi 3 Model B+?
Yes, Class 10 / U1 is recommended for Raspberry Pi 3 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 3 Model B+?
We recommend 16GB or 32GB cards. A 16GB 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 3 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 3 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 3 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 3 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.