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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 Spec

microSD (Class 10 / U1 or faster)

With a high-performance microSD card like this one, you can enjoy seamless multitasking on your Raspberry Pi 4, whether you're coding, streaming, or running resource-intensive applications. This means you can get more done in less time without worrying about slowdowns or freezes. Your device stays responsive and efficient, so you can focus on what matters.

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 Verified Speed Class Write Speed Pros Price
SanDisk Ultra microSD V10 SD card - 20USD
SanDisk Ultra microSD
Full Review
V10 Up to 20 MB/s
  • Cheap
  • reliable
  • huge capacities available.
$ Check Price
Kingston Canvas Select Plus V10 SD card - 20USD
Kingston Canvas Select Plus
Full Review
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
Full Review
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

Compare These Cards

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See how the recommended cards for Raspberry Pi 4 Model B stack up side by side, or swap in any other card.

budget
SanDisk Ultra microSD

SanDisk Ultra microSD

$ · Budget
  • UHS RatingUHS-I
  • Speed ClassV10
  • App PerformanceA1
  • Read SpeedUp to 195 MB/s
  • Write SpeedUp to 20 MB/s
  • EnduranceStandard
Available Capacities32GB, 64GB, 128GB, 256GB, 512GB, 1024GB, 1500GB

Pros

  • Cheap
  • reliable
  • huge capacities available.

Cons

  • Too slow for 4K video.
View on Amazon
budget
Kingston Canvas Select Plus

Kingston Canvas Select Plus

$ · Budget
  • UHS RatingUHS-I
  • Speed ClassV10
  • App PerformanceA1
  • Read SpeedUp to 100 MB/s
  • Write SpeedUp to 85 MB/s
  • EnduranceStandard
Available Capacities32GB, 64GB, 128GB, 256GB, 512GB

Pros

  • Ultra-affordable lifetime warranty.

Cons

  • Not V30 rated. Avoid for 4K.
View on Amazon
budget
Samsung EVO Select (Blue)

Samsung EVO Select (Blue)

$ · Budget
  • UHS RatingUHS-I
  • Speed ClassV30
  • App PerformanceA2
  • Read SpeedUp to 130 MB/s
  • Write SpeedUp to 60 MB/s
  • EnduranceStandard
Available Capacities64GB, 128GB, 256GB, 512GB

Pros

  • Best value for money. Excellent 10-year warranty.

Cons

  • Slower write speeds than SanDisk Extreme.
View on Amazon

SanDisk Ultra microSD

The SanDisk Ultra microSD is a high-volume budget pick offering read speeds up to 195 MB/s for quick transfers and app loading. Its lighter write performance and V10 rating make it better suited to photos and everyday storage than sustained 4K video.

Target User: Budget-conscious smartphone and tablet users who want fast file transfers without 4K video demands
Best For: Smartphones & Tablets, Dash Cams, Drones

Upgrade to the SanDisk Extreme microSD if you need V30-rated write speeds for 4K video; stick with the Ultra for photos and casual use where price is the priority.

Kingston Canvas Select Plus

The Kingston Canvas Select Plus offers an excellent budget option for everyday users who require reliable storage and a durable microSD card. With a read speed of up to 100 MB/s and a write speed of up to 85 MB/s, it provides a seamless user experience. The ultra-affordable lifetime warranty adds extra peace of mind for users who plan to use the card extensively.

Target User: Budget-conscious content creators and mobile device users
Best For: Smartphones & Tablets, Action Cameras, Dash Cams

Consider the Canvas Select Plus over other budget options if you prioritize high performance and durability. The Canvas Select Plus delivers impressive speeds while offering an incredible value for the price, making it a great choice for those who want a reliable and affordable microSD card.

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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