GoPro Hero4 Black 4K Action Camera Compatible Memory Card Guide

For optimal performance with your GoPro Hero4 Black 4K action camera, always use a UHS-I U3-rated microSD card with a minimum 32GB capacity to ensure smooth recording of high-bitrate 4K and 1080p60 video. Top choices like SanDisk Extreme, Samsung EVO+, and Lexar 633x offer fast write speeds and proven reliability—avoid generic cards to prevent dropped frames or recording errors.

Key Takeaways

• Use UHS-I cards: Ensure compatibility with GoPro Hero4 Black’s 4K recording.
• Class 10 or U3 required: Minimum speed for smooth 4K video capture.
• 64GB max recommended: Avoid larger cards to prevent corruption risks.
• SanDisk Extreme Pro preferred: Top choice for reliability and performance.
• Format before use: Always format in-camera for optimal card function.
• Avoid cheap knockoffs: Low-quality cards risk data loss and damage.

Why Your GoPro Hero4 Black Deserves the Right Memory Card

Let me paint a picture: you’re standing at the edge of a cliff, GoPro Hero4 Black in hand, ready to capture that epic 4K sunset time-lapse. The wind is howling, the light is golden, and you press record—only to see that dreaded “SD FULL” message pop up. Or worse, the camera freezes and corrupts your footage. I’ve been there, and it’s heartbreaking. That’s why choosing the right memory card for your GoPro Hero4 Black isn’t just a technical detail—it’s the difference between capturing memories and losing them forever.

The GoPro Hero4 Black is a beast when it comes to recording high-resolution 4K video at 30fps, 1080p at 120fps, and high-bitrate footage that demands speed and reliability. But all that data needs a home—a fast, durable, and compatible microSD card that can keep up. Whether you’re filming mountain biking, diving in coral reefs, or just capturing family adventures, your memory card is the unsung hero of your setup. In this guide, I’ll walk you through everything you need to know to pick the perfect card, avoid common pitfalls, and make sure your Hero4 Black performs at its best.

Understanding the GoPro Hero4 Black’s Memory Card Requirements

Minimum Speed Class and Why It Matters

Not all memory cards are created equal, and the GoPro Hero4 Black has specific needs. At its core, the camera records high-bitrate video—especially in 4K, which can hit 60 Mbps. That means your card needs to write data quickly, or you risk dropped frames, stuttering, or outright recording failure. GoPro officially recommends a **UHS Speed Class 3 (U3)** card, which guarantees a minimum write speed of 30 MB/s. But here’s the thing: U3 is just the *minimum*. If you’re shooting in high frame rates or long sessions, you’ll want more headroom.

Think of it like a highway: U3 is a two-lane road. Fine for light traffic, but if you’re sending a truck full of 4K data down it, you’ll hit bottlenecks. Cards with higher ratings like **U3 with V30 (Video Speed Class 30)** or **V60** are better for sustained performance. I’ve used a U3 card that worked fine for 1080p, but when I switched to 4K, it started glitching. Upgrading to a V30 card fixed it instantly.

Capacity Limits: How Much Storage Does Your Hero4 Black Need?

The GoPro Hero4 Black officially supports microSD cards up to **128GB**. That’s important because some newer 256GB or 512GB cards might not be recognized or could cause instability. I once tried a 256GB card just to see what would happen—my camera froze and wouldn’t even format it. Lesson learned. Stick to 32GB, 64GB, or 128GB for guaranteed compatibility.

Now, how much footage can you actually store? Here’s a real-world breakdown:

• 4K (30fps, 60 Mbps): ~10 minutes per GB → 64GB = ~10.5 hours
• 1080p (120fps, 60 Mbps): ~10 minutes per GB → 64GB = ~10.5 hours
• 1080p (30fps, 40 Mbps): ~15 minutes per GB → 64GB = ~16 hours

But here’s a pro tip: always carry *two* 64GB cards instead of one 128GB. Why? If one card fails (and they do), you’ve still got backup footage. Plus, swapping cards is faster than waiting to offload a full 128GB card.

Top Memory Cards for GoPro Hero4 Black (2024 Picks)

Best Overall: SanDisk Extreme Pro U3/V30 (64GB)

This card is my go-to for the Hero4 Black. It’s U3 and V30 rated, meaning it delivers consistent 4K performance. I’ve used it in freezing temperatures, underwater, and during long hikes—zero issues. It’s also one of the few cards GoPro officially lists as compatible. The 64GB version gives you a sweet spot of capacity and reliability. Yes, it’s a bit pricier, but I’d rather pay $30 once than lose $500 worth of footage.

Real-world test: Filmed a 45-minute 4K time-lapse in the desert. No dropped frames, no overheating, and the card stayed cool to the touch.

Budget-Friendly: Samsung EVO Select U3/V30 (64GB)

If you’re on a tight budget but don’t want to compromise, this Samsung card is a steal. It’s U3/V30, has a 10-year warranty, and performs nearly as well as the SanDisk. I used it for a weekend ski trip and shot 4K at 60fps—no hiccups. The only downside? It lacks the rugged build of premium cards, so I wouldn’t use it for extreme adventures. But for everyday use? Perfect.

Premium Pick: Sony TOUGH-G U3/V90 (128GB)

Want the best of the best? The Sony TOUGH-G is built like a tank. It’s waterproof, dustproof, and shockproof—ideal for divers or mountain bikers. It’s also V90 rated, which means it can handle *future-proof* 8K recording (even if your Hero4 Black can’t). The 128GB capacity is great for long trips, but remember: it’s at the max limit, so test it first. I used this on a scuba trip, and it survived saltwater, sand, and accidental drops. Pricey, but worth it for pros.

Honorable Mentions

• Lexar 633x U3 (64GB): Reliable, but older tech. Works well for 4K but not my first choice for high frame rates.
• PNY Elite-X U3 (32GB): Great for short sessions or backup. Not ideal for long 4K recordings.

Warning: Avoid generic “no-name” cards. I once bought a $10 card from a sketchy website. It recorded for 10 minutes, then corrupted the entire file. Stick to reputable brands.

How to Format Your Memory Card for Optimal Performance

Step-by-Step: Formatting in the GoPro Hero4 Black

Formatting isn’t just a formality—it’s essential for performance and longevity. Here’s how to do it right:

1. Insert the card into your Hero4 Black.
2. Go to Settings > Delete > Format.
3. Confirm. The camera will erase all data and create a fresh file system.
4. Wait for the “Format Complete” message. Don’t remove the card early!

Pro tip: Format *every time* you insert a new card. Even if it’s brand new. This ensures the camera recognizes it properly and avoids file system errors.

Why You Should Format (Even If the Card Is “Ready”)

I learned this the hard way. I bought a new SanDisk, skipped formatting, and the camera started lagging. After reformatting, it ran smoothly. Why? Formatting:

• Creates a clean file structure optimized for video.
• Removes any hidden errors from previous use.
• Prevents “card full” glitches caused by fragmented space.

Also, never use a card from another camera without formatting it first. Different devices use different file systems, and mixing them can cause crashes.

What to Do If Formatting Fails

If your Hero4 Black says “Format Failed” or freezes:

• Try a different card slot: Some microSD adapters have loose connections.
• Format via computer: Use SD Association’s official formatter. It’s more reliable than built-in tools.
• Check for physical damage: A bent pin or dirty contacts can block formatting.

I once had a card that wouldn’t format in the camera, but the SD formatter on my laptop fixed it. Saved me $25!

Common Memory Card Problems (and How to Fix Them)

“SD FULL” When the Card Isn’t Full

This happens when the file system gets corrupted. Your card shows free space, but the camera can’t write to it. Fix it by:

• Formatting the card in the Hero4 Black.
• If that fails, format it on a computer using the SD formatter.
• As a last resort, use data recovery software (like Recuva) to salvage files, then reformat.

I’ve had this happen mid-hike. Formatting on my phone (using a USB-C reader) saved the trip.

Card Not Recognized or “No SD” Error

This usually means the card isn’t seated properly or has a connection issue. Try:

• Removing and reinserting the card (with the camera off).
• Cleaning the card contacts with a soft cloth.
• Testing the card in another device (like a phone or laptop).

If the card works elsewhere, the issue is with your Hero4 Black’s slot. If not, the card is likely dead.

Corrupted Files or “Playback Error”

This is every filmmaker’s nightmare. Causes include:

• Sudden power loss: Don’t remove the battery mid-recording.
• Card overheating: Long 4K sessions can heat up cards. Let them cool.
• Low-quality cards: Cheap cards are prone to corruption.

Prevention tips:

• Always power off the camera before removing the card.
• Use a card reader (not the camera) to transfer files.
• Back up footage immediately after shooting.

I once lost a full day’s footage because I pulled the card while the camera was saving. Now I wait for the LED to stop blinking.

Maximizing Performance: Pro Tips for Hero4 Black Users

Use Two Cards for Redundancy

Here’s a pro trick: carry two 64GB cards and swap them every 1–2 hours. This:

• Reduces the risk of losing all footage to a single card failure.
• Lets you offload one card while filming with the other.
• Keeps cards from overheating during long sessions.

I do this on every multi-day trip. One card stays in the camera; the other is in my backpack, ready to swap.

Keep Cards Cool and Dry

Heat kills memory cards. If you’re filming in hot environments (deserts, beaches),:

• Store spare cards in a shaded, ventilated area.
• Use a silicone sleeve or waterproof case to protect from moisture.
• Avoid leaving the camera in direct sunlight for hours.

I learned this in Arizona. A card left in my backpack for 4 hours was too hot to touch—and it failed later.

Regularly Test and Rotate Cards

Like tires on a car, memory cards wear out. Test them every 3–6 months by:

• Recording a 10-minute 4K video.
• Checking for dropped frames or errors.
• Using tools like CrystalDiskMark to test speed.

I retire cards after 1–2 years of heavy use. Better safe than sorry.

Comparison Table: Top Memory Cards for Hero4 Black

Card Model	Speed Rating	Max Capacity	Durability	Best For	Price (64GB)
SanDisk Extreme Pro	U3/V30	128GB	Water, shock, temp	All-around use	$28–$35
Samsung EVO Select	U3/V30	128GB	Basic protection	Budget users	$20–$25
Sony TOUGH-G	U3/V90	128GB	Extreme conditions	Pros, adventurers	$50–$60
Lexar 633x	U3	128GB	Standard	Casual 4K	$22–$30
PNY Elite-X	U3	64GB	None	Short sessions	$15–$20

The Bottom Line: Your Memory Card Is Your Hero4 Black’s Lifeline

Your GoPro Hero4 Black is a powerful tool, but it’s only as good as its memory card. A cheap or incompatible card can ruin your footage, waste your time, and cost you memories. Invest in a U3/V30-rated card from a reputable brand, format it properly, and follow the tips above. Whether you’re chasing sunsets, diving into the deep, or just capturing everyday moments, the right card ensures you never miss a frame.

Remember: it’s not just about specs—it’s about trust. Trust that your card will perform when it matters. Trust that your adventures will be preserved. And trust that, when you press record, your Hero4 Black will be ready. Now go out there, film something amazing, and keep that memory card happy.

Frequently Asked Questions

What memory cards are compatible with the GoPro Hero4 Black 4K action camera?

The GoPro Hero4 Black supports microSD, microSDHC, and microSDXC cards up to 128GB. For optimal 4K recording, use UHS-I Speed Class 3 (U3) cards from brands like SanDisk, Samsung, or Lexar. Avoid older or low-speed cards to prevent recording interruptions.

Can I use a 256GB memory card with my GoPro Hero4 Black?

No, the Hero4 Black officially supports up to 128GB due to file system limitations. While some users report success with larger cards, GoPro doesn’t guarantee compatibility, and you risk data corruption or recording failures.

Why does my GoPro Hero4 Black say “SD ERR” even with a compatible memory card?

This error often occurs due to improper formatting, a faulty card, or a slow write speed. Format the card using the camera’s built-in tool (Preferences > Reset > Format SD) or use a U3-rated card to ensure smooth 4K performance.

What’s the best memory card for 4K video on the GoPro Hero4 Black?

For 4K recording, a U3-rated card like the SanDisk Extreme Pro (128GB) or Samsung EVO+ is ideal. These cards offer fast write speeds (90+ MB/s) and handle high-bitrate video without dropped frames or buffering.

Does the GoPro Hero4 Black support high endurance or dash cam memory cards?

Yes, high endurance cards (e.g., SanDisk High Endurance) work well for extended recording sessions. These are designed for constant read/write cycles, making them ideal for time-lapse or loop recording in rugged conditions.

How do I format a memory card for my GoPro Hero4 Black?

Insert the card into the camera, go to Preferences > Reset > Format SD. This ensures the card uses the correct file system (exFAT) and avoids compatibility issues. Always back up data before formatting.