Fact Check: Are SD cards all the same size?

Fact Check: Are SD cards all the same size?

Published May 7, 2025
VERDICT
False

# Are SD Cards All the Same Size? ## Introduction The claim in question is whether all SD cards are the same size. This assertion raises questions ab...

Are SD Cards All the Same Size?

Introduction

The claim in question is whether all SD cards are the same size. This assertion raises questions about the various types of Secure Digital (SD) cards available on the market, including their physical dimensions and compatibility with devices.

What We Know

  1. Types of SD Cards: There are several types of SD cards, including standard SD cards, miniSD cards, and microSD cards. The standard SD card measures 32mm x 24mm x 2.1mm, while the microSD card is significantly smaller at 15mm x 11mm x 1mm. The miniSD card, which is less common today, is in between these two sizes at 21.5mm x 20mm x 1.4mm 18.

  2. Compatibility: MicroSD cards can be used in devices that accept standard SD cards through the use of an adapter, but the reverse is not true; standard SD cards cannot fit into microSD slots without modification 34.

  3. Capacity and Formats: SD cards also vary in terms of storage capacity, which is categorized into different formats: SD (up to 2GB), SDHC (4GB to 32GB), SDXC (32GB to 2TB), and SDUC (up to 128TB) 10. Each of these formats has specific requirements and compatibility considerations.

  4. Usage Context: The choice of SD card size and type often depends on the intended use, such as photography, video recording, or data storage. Higher capacity cards are generally preferred for high-resolution images and videos 69.

Analysis

The claim that all SD cards are the same size is misleading. While the term "SD card" refers to a family of memory cards, the physical dimensions and compatibility of these cards differ significantly.

Source Evaluation

  • Wikipedia 1: This source provides a broad overview of memory cards and is generally reliable, but it may lack depth in technical specifications. Wikipedia's open-editing model can introduce bias or inaccuracies, so cross-referencing with other sources is essential.

  • TechSpot 2: This guide is authored by a technology-focused website known for its reviews and buying guides. The information appears accurate and is well-cited, making it a reliable source for understanding SD card types and sizes.

  • Stuff 3: This article offers a straightforward explanation of SD card types and their sizes. Stuff is a popular tech magazine, but its articles can sometimes prioritize readability over technical accuracy.

  • Kingston Technology 4: As a manufacturer of memory products, Kingston's blog provides detailed information about SD card specifications. However, there may be a potential bias in promoting their products, which should be taken into account.

  • Lexar 5: Similar to Kingston, Lexar is a memory card manufacturer, and while their guides can be informative, they may also promote their own products, which could influence the objectivity of the information.

  • MakeUseOf 7: This source provides practical advice on buying SD cards and is generally reliable. It is well-regarded for its user-friendly approach to technology topics.

  • PCWorld 8: This publication is known for its technology journalism and provides a clear explanation of the differences in SD card sizes. It is a credible source, but it is important to consider that articles may be influenced by advertising.

  • B&H Photo Video 9: This retailer's buying guide is informative and provides practical advice, but as a commercial entity, it may have a vested interest in promoting certain products.

  • SD Association 10: As the official organization that develops SD card standards, this source is highly credible and provides definitive specifications for SD card sizes and capacities.

Methodology and Evidence

The evidence presented in these sources indicates that SD cards are not all the same size. The existence of different formats (SD, miniSD, microSD) with distinct physical dimensions is well-documented. However, the claim could benefit from more specific examples of devices that utilize each type of card, as well as information on how these cards interact with various hardware.

Conclusion

Verdict: False

The assertion that all SD cards are the same size is false. The evidence clearly shows that there are multiple types of SD cards—standard, mini, and micro—with distinct physical dimensions. For instance, standard SD cards measure 32mm x 24mm, while microSD cards are only 15mm x 11mm. This significant difference in size impacts compatibility with devices, as microSD cards can be used in standard SD card slots with an adapter, but not vice versa.

It is important to note that while the claim is definitively false, the landscape of SD cards can be complex, with various formats and capacities that may lead to confusion. The information provided is based on reliable sources, but readers should be aware that the specifics of SD card compatibility can vary depending on the device in question.

Additionally, while the evidence supporting this conclusion is robust, there may be nuances in how different devices utilize these cards that are not fully captured in this analysis. Therefore, readers are encouraged to critically evaluate information regarding SD cards and consult multiple sources when making decisions about their use.

Sources

  1. Comparison of memory cards - Wikipedia. Link
  2. microSD and SD Card Buying Guide - TechSpot. Link
  3. SD cards explained: everything you need to know - Stuff. Link
  4. A Guide to SD and microSD Card Types - Kingston Technology. Link
  5. microSD Card Sizes: A Guide to Capacity and Compatibility - Lexar. Link
  6. Choosing the Right SD Card Size: Everything You Need to Know - SoftHandTech. Link
  7. A Guide to Buying SD Cards: Specs, Speeds, Features Explained - MUO. Link
  8. SD cards, demystified: How to decipher the confusing jumble of specs - PCWorld. Link
  9. Everything You Need to Know About SD Cards - B&H Photo Video. Link
  10. Capacity (SD/SDHC/SDXC/SDUC) - SD Association. Link

Have a claim you want to verify? It's 100% Free!

Our AI-powered fact-checker analyzes claims against thousands of reliable sources and provides evidence-based verdicts in seconds. Completely free with no registration required.

💡 Try:
"Coffee helps you live longer"
100% Free
No Registration
Instant Results

Comments

Leave a comment

Loading comments...

More Fact Checks to Explore

Discover similar claims and stay informed with these related fact-checks

Fact Check: debit cards can't be used to buy now pay later
False
🎯 Similar

Fact Check: debit cards can't be used to buy now pay later

Detailed fact-check analysis of: debit cards can't be used to buy now pay later

Aug 3, 2025
Read more →
Fact Check: Are rfid cards safe?
False
🎯 Similar

Fact Check: Are rfid cards safe?

Detailed fact-check analysis of: Are rfid cards safe?

May 9, 2025
Read more →
🔍
True
🎯 Similar

Fact Check: Autistic Non-Verbal Episodes in Marriage: Why Words Vanish Sometimes and What to Do About It Neurodiverse Couples Tuesday, august 12, 2025. Here’s the scene: You’re in the middle of a conversation with your spouse. Maybe the topic is small (“Did you pay the water bill?”) or monumental (“Are we happy?”). And then—without warning—your autistic partner’s voice disappears. No yelling, no slammed doors. Just… gone. You’re left holding the conversational steering wheel while they’ve quietly climbed into the trunk. If you’ve never lived with high-functioning autism, this can be tragically misconstrued as stonewalling or contempt. It isn’t. It’s just neurology pulling the emergency brake. Why This Happens: The Science Without the Lab Coat Smell For autistic adults, losing speech under stress is often a shutdown—a form of nervous system overload that knocks language production offline. Think of it like your phone freezing: all the apps are still there, but none of them open when you tap. Research calls this autistic burnout when it happens in a longer, chronic cycle—linked to masking (Hull et al., 2017; Raymaker et al., 2020). Masking is the art of “performing normal” so well that non-autistic people think you’re fine. The issue is that it eats through your energy reserves like a car idling in traffic with the A/C on full blast (Mantzalas et al., 2022). Eventually, one hard conversation can tip you from functional to frozen. And here’s where couples therapy meets neuroscience: physiological flooding—the body’s fight/flight/freeze switch—is a known relationship killer (Malik et al., 2019; Gottman Institute, 2024). In other words, for some autistic partners, flooding may tend to show up sooner, last longer, and is more likely to pull the plug on speech entirely. The Danger Loop in Marriage Autistic partner goes non-verbal — brain says “nope.” Non-autistic partner reads it as avoidance — brain says “attack.” Pressure increases — “Just say something.” Shutdown deepens — and now you’ve both lost. Do that a few hundred times and you’ll start conflating a physiological response into a moral failing. That’s the real marriage-killer. The Protocol: Three Phases, Zero Guesswork This is where we get practical. You can’t “love away” a temporary shutdown, but you can stop it from turning into World War III. Before: Build the Net Name the state. Agree on a phrase or signal ( I call this a couple code)—such as “words offline,” “shutdown,” a hand over the heart. The point is to make the invisible visible. The Shutdown Card. A literal card that says: I can’t speak right now. Please lower lights, reduce sound, give me X minutes. I promise I will circle back. The Pause Rule. Require a minimum of 20 minutes before resuming any tough talk. Autistic partner may need 90+. Agree ahead of time. Downgrade Kit. the usual gear; earplugs, soft light, weighted blanket, fidget, a quiet room. You know, human decency in object form. Reduce Daily Load. Avoid heavy talks right after work or big social events. Chronic overload makes a nervous shutdown more probable. During: Do Less, Better Autistic Partner: Give the signal. Exit stimulation. Switch channels if possible (text, notes app, yes/no cards). Send a short pre-written message: “Safe, can’t talk, back at 8:15.” Non-Autistic Partner: Acknowledge once—“Got it, I’m with you.” Hold the pause boundary. Lower stimuli. Go regulate your own nervous system—walk, journal, pet the dog. Don’t rehearse comebacks. Both: Avoid sarcasm, interrogation, ultimatums. Nothing lengthens a shutdown like moral outrage. After: Close the Loop Check in: “Are you ready to talk, or should we start in text?” Debrief: Identify triggers and what helped. Solve the actual problem. No conflict gets left to rot in the corner. Spot burnout early. If shutdowns start clustering, it’s time to reduce demands, not double them. How This Isn’t Stonewalling Stonewalling is a choice. Shutdown is a lockout. Stonewalling says, “I won’t talk to you.” Shutdown says, “I can’t talk to you yet, but I will.” The key difference? Repair intention. A shutdown protocol builds that right into the process. The Ten-Minute At-Home Drill Co-create your signal and card. Agree on a pause window. Pack the downgrade kit. Rehearse the exchange (“Got it, I’m with you.”). Check in weekly to tweak the system. Remember, you’re not aiming for zero shutdowns. You’re aiming for shorter, kinder, safer ones. Why This Works Because it matches lived autistic experience (Raymaker et al., 2020; Lewis et al., 2023). Because it honors nervous system limits instead of punishing them (Malik et al., 2019). Because it lets both partners keep their dignity and still solve the problem. In other words: you’re building a marriage that can survive the occasional moments when the words are gone for the time being. Be Well, Stay Kind, and Godspeed. REFERENCES: Hull, L., Mandy, W., Lai, M.-C., Baron-Cohen, S., Allison, C., Smith, P., & Petrides, K. V. (2017). “Putting on my best normal”: Social camouflaging in adults with autism spectrum conditions. Autism, 21(5), 611–622. https://doi.org/10.1177/1362361316671012 Raymaker, D. M., Teo, A. R., Steckler, N. A., Lentz, B., Scharer, M., Delos Santos, A., … & Nicolaidis, C. (2020). “Having all of your internal resources exhausted beyond measure and being left with no clean-up crew”: Defining autistic burnout. Autism in Adulthood, 2(2), 132–143. https://doi.org/10.1089/aut.2019.0079 Mantzalas, J., Richdale, A. L., Adikari, A., Lowe, J., & Dissanayake, C. (2022). What Is Autistic Burnout? A thematic analysis of posts on two online platforms. Autism in Adulthood, 4(1), 52–65. https://doi.org/10.1089/aut.2021.0079 Lewis, L. F., et al. (2023). The lived experience of meltdowns for autistic adults. Autism, 27(7), 1787–1799. https://doi.org/10.1177/13623613221145783 Malik, J., et al. (2019). Emotional flooding in response to negative affect in romantic relationships. Journal of Couple & Relationship Therapy, 18(4), 327–349. https://doi.org/10.1080/15332691.2019.1641188 Gottman Institute. (2024, March 4). Making sure emotional flooding doesn’t capsize your relationship. Retrieved from https://www.gottman.com/blog/making-sure-emotional-flooding-doesnt-capsize-your-relationship/

Detailed fact-check analysis of: Autistic Non-Verbal Episodes in Marriage: Why Words Vanish Sometimes and What to Do About It Neurodiverse Couples Tuesday, august 12, 2025. Here’s the scene: You’re in the middle of a conversation with your spouse. Maybe the topic is small (“Did you pay the water bill?”) or monumental (“Are we happy?”). And then—without warning—your autistic partner’s voice disappears. No yelling, no slammed doors. Just… gone. You’re left holding the conversational steering wheel while they’ve quietly climbed into the trunk. If you’ve never lived with high-functioning autism, this can be tragically misconstrued as stonewalling or contempt. It isn’t. It’s just neurology pulling the emergency brake. Why This Happens: The Science Without the Lab Coat Smell For autistic adults, losing speech under stress is often a shutdown—a form of nervous system overload that knocks language production offline. Think of it like your phone freezing: all the apps are still there, but none of them open when you tap. Research calls this autistic burnout when it happens in a longer, chronic cycle—linked to masking (Hull et al., 2017; Raymaker et al., 2020). Masking is the art of “performing normal” so well that non-autistic people think you’re fine. The issue is that it eats through your energy reserves like a car idling in traffic with the A/C on full blast (Mantzalas et al., 2022). Eventually, one hard conversation can tip you from functional to frozen. And here’s where couples therapy meets neuroscience: physiological flooding—the body’s fight/flight/freeze switch—is a known relationship killer (Malik et al., 2019; Gottman Institute, 2024). In other words, for some autistic partners, flooding may tend to show up sooner, last longer, and is more likely to pull the plug on speech entirely. The Danger Loop in Marriage Autistic partner goes non-verbal — brain says “nope.” Non-autistic partner reads it as avoidance — brain says “attack.” Pressure increases — “Just say something.” Shutdown deepens — and now you’ve both lost. Do that a few hundred times and you’ll start conflating a physiological response into a moral failing. That’s the real marriage-killer. The Protocol: Three Phases, Zero Guesswork This is where we get practical. You can’t “love away” a temporary shutdown, but you can stop it from turning into World War III. Before: Build the Net Name the state. Agree on a phrase or signal ( I call this a couple code)—such as “words offline,” “shutdown,” a hand over the heart. The point is to make the invisible visible. The Shutdown Card. A literal card that says: I can’t speak right now. Please lower lights, reduce sound, give me X minutes. I promise I will circle back. The Pause Rule. Require a minimum of 20 minutes before resuming any tough talk. Autistic partner may need 90+. Agree ahead of time. Downgrade Kit. the usual gear; earplugs, soft light, weighted blanket, fidget, a quiet room. You know, human decency in object form. Reduce Daily Load. Avoid heavy talks right after work or big social events. Chronic overload makes a nervous shutdown more probable. During: Do Less, Better Autistic Partner: Give the signal. Exit stimulation. Switch channels if possible (text, notes app, yes/no cards). Send a short pre-written message: “Safe, can’t talk, back at 8:15.” Non-Autistic Partner: Acknowledge once—“Got it, I’m with you.” Hold the pause boundary. Lower stimuli. Go regulate your own nervous system—walk, journal, pet the dog. Don’t rehearse comebacks. Both: Avoid sarcasm, interrogation, ultimatums. Nothing lengthens a shutdown like moral outrage. After: Close the Loop Check in: “Are you ready to talk, or should we start in text?” Debrief: Identify triggers and what helped. Solve the actual problem. No conflict gets left to rot in the corner. Spot burnout early. If shutdowns start clustering, it’s time to reduce demands, not double them. How This Isn’t Stonewalling Stonewalling is a choice. Shutdown is a lockout. Stonewalling says, “I won’t talk to you.” Shutdown says, “I can’t talk to you yet, but I will.” The key difference? Repair intention. A shutdown protocol builds that right into the process. The Ten-Minute At-Home Drill Co-create your signal and card. Agree on a pause window. Pack the downgrade kit. Rehearse the exchange (“Got it, I’m with you.”). Check in weekly to tweak the system. Remember, you’re not aiming for zero shutdowns. You’re aiming for shorter, kinder, safer ones. Why This Works Because it matches lived autistic experience (Raymaker et al., 2020; Lewis et al., 2023). Because it honors nervous system limits instead of punishing them (Malik et al., 2019). Because it lets both partners keep their dignity and still solve the problem. In other words: you’re building a marriage that can survive the occasional moments when the words are gone for the time being. Be Well, Stay Kind, and Godspeed. REFERENCES: Hull, L., Mandy, W., Lai, M.-C., Baron-Cohen, S., Allison, C., Smith, P., & Petrides, K. V. (2017). “Putting on my best normal”: Social camouflaging in adults with autism spectrum conditions. Autism, 21(5), 611–622. https://doi.org/10.1177/1362361316671012 Raymaker, D. M., Teo, A. R., Steckler, N. A., Lentz, B., Scharer, M., Delos Santos, A., … & Nicolaidis, C. (2020). “Having all of your internal resources exhausted beyond measure and being left with no clean-up crew”: Defining autistic burnout. Autism in Adulthood, 2(2), 132–143. https://doi.org/10.1089/aut.2019.0079 Mantzalas, J., Richdale, A. L., Adikari, A., Lowe, J., & Dissanayake, C. (2022). What Is Autistic Burnout? A thematic analysis of posts on two online platforms. Autism in Adulthood, 4(1), 52–65. https://doi.org/10.1089/aut.2021.0079 Lewis, L. F., et al. (2023). The lived experience of meltdowns for autistic adults. Autism, 27(7), 1787–1799. https://doi.org/10.1177/13623613221145783 Malik, J., et al. (2019). Emotional flooding in response to negative affect in romantic relationships. Journal of Couple & Relationship Therapy, 18(4), 327–349. https://doi.org/10.1080/15332691.2019.1641188 Gottman Institute. (2024, March 4). Making sure emotional flooding doesn’t capsize your relationship. Retrieved from https://www.gottman.com/blog/making-sure-emotional-flooding-doesnt-capsize-your-relationship/

Aug 12, 2025
Read more →
Fact Check: Los Angeles Mayor Karen Bass is handing out cash cards like Halloween candy to illegal immigrants — while 16,000+ wildfire victims who lost their homes and businesses are STILL waiting for help.

🔥 Only 12 rebuilding permits have been issued. TWELVE.
🔥 Entire communities reduced to ashes.
🔥 Taxpaying Americans left in a bureaucratic chokehold.
Partially True

Fact Check: Los Angeles Mayor Karen Bass is handing out cash cards like Halloween candy to illegal immigrants — while 16,000+ wildfire victims who lost their homes and businesses are STILL waiting for help. 🔥 Only 12 rebuilding permits have been issued. TWELVE. 🔥 Entire communities reduced to ashes. 🔥 Taxpaying Americans left in a bureaucratic chokehold.

Detailed fact-check analysis of: Los Angeles Mayor Karen Bass is handing out cash cards like Halloween candy to illegal immigrants — while 16,000+ wildfire victims who lost their homes and businesses are STILL waiting for help. 🔥 Only 12 rebuilding permits have been issued. TWELVE. 🔥 Entire communities reduced to ashes. 🔥 Taxpaying Americans left in a bureaucratic chokehold.

Jul 26, 2025
Read more →
Fact Check: The U.S. immigration system can revoke green cards for criminal convictions.
True

Fact Check: The U.S. immigration system can revoke green cards for criminal convictions.

Detailed fact-check analysis of: The U.S. immigration system can revoke green cards for criminal convictions.

Jul 3, 2025
Read more →
Fact Check: Green cards can be revoked due to criminal convictions.
Unverified

Fact Check: Green cards can be revoked due to criminal convictions.

Detailed fact-check analysis of: Green cards can be revoked due to criminal convictions.

Jul 2, 2025
Read more →
Fact Check: Are SD cards all the same size? | TruthOrFake Blog