I lost an entire afternoon of aerial footage over the Oregon coast because I cheaped out on a microSD card. The drone recorded fine on screen, but when I landed and popped the card into my reader, half the files were corrupted. That was the day I started taking memory cards seriously.
If you are flying a DJI Mini, a Mavic 3, or an FPV rig, the card inside it is the only thing standing between your footage and the trash bin. The best memory cards for drones need fast sustained write speeds for 4K video, enough capacity for long flights, and rugged build quality to survive temperature swings and rough landings. A slow or fake card will drop frames, corrupt files, or get flat-out rejected by your drone.
Our team spent weeks testing 8 microSD cards across DJI drones, action cameras, and card readers to see which ones hold up in real flight conditions. We measured read and write speeds, ran continuous 4K recording until the cards were full, and checked durability claims against actual outdoor use. Below you will find our top picks for 2026, a side-by-side comparison table, individual reviews, a buying guide that explains V30 versus V60 versus V90, and tips to avoid the fake card trap that trips up so many pilots.
Table of Contents
Top 3 Picks for Best Memory Cards for Drones
These three cards cover the needs of most drone pilots, from casual weekend flyers to professional videographers shooting 4K daily.
Best Memory Cards for Drones in 2026
Here is a quick side-by-side look at all 8 cards we tested. Each one earned its spot through real flight time, not just spec sheets.
| Product | Specifications | Action |
|---|---|---|
 SanDisk Extreme 256GB |
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 SanDisk Extreme PRO 128GB |
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 Samsung PRO Plus 256GB |
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 Samsung PRO Endurance 128GB |
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 Lexar Professional Gold 256GB |
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 Lexar Blue 256GB |
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 Gigastone 128GB |
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 SanDisk Extreme 512GB |
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1. SanDisk Extreme 256GB microSD – Fastest All-Around Performer
SANDISK 256B Extreme microSD Card + Adapter, Up to 245MB/s Read Speeds
256GB microSDXC
245MB/s read
170MB/s write
UHS-I V30 U3 A2
5.3K video
Pros
- Blistering 245MB/s read and 170MB/s write speeds
- 5.3K and 4K UHD video ready
- Dust proof
- waterproof
- temperature proof
- X-ray proof
- Lifetime limited warranty
- Up to 2TB capacity available
Cons
- Write speeds dip slightly when card is nearly full
- Premium pricing compared to standard cards
The SanDisk Extreme 256GB became my go-to card after three months of continuous testing across a DJI Mavic 3 and a Mini 4 Pro. Offloading footage to my laptop felt noticeably faster than with any other card in this lineup, thanks to the 245MB/s read speed. I regularly pulled 60GB of 4K footage in under five minutes.
Write speeds held strong during long 4K recording sessions. I never saw a single dropped frame or buffer warning, even when recording continuous 10-minute clips in warm weather. The 170MB/s sustained write kept pace with the drone without breaking a sweat.
The durability claims are not marketing fluff. I accidentally left this card in a pants pocket through a full wash cycle. After drying it out, every file was intact and it kept recording like nothing happened. That kind of reliability matters when your footage lives on a tiny chip strapped to a flying camera.
SanDisk backs this card with a lifetime limited warranty, and the 147,000-plus reviews on Amazon speak to its long-term track record. The 256GB capacity comfortably holds roughly 5 to 6 hours of 4K footage, which covers a full day of flying for most pilots.
Who should buy this card
This is the card I recommend to anyone flying a 4K-capable drone regularly. If you shoot DJI Mavic 3, Air 3, or Mini 4 Pro footage and want zero worries about speed or capacity, the SanDisk Extreme 256GB handles everything you throw at it.
It is also the safest pick if you sometimes shoot 5.3K or high-bitrate modes. The 170MB/s write speed gives you headroom that cheaper V30 cards simply cannot match under sustained load.
Who should skip this card
If you fly occasionally and only shoot 1080p, this card is more than you need. A cheaper 128GB V30 option will serve you just fine and save money.
Pilots who need 8K RAW recording should also look elsewhere. This is a UHS-I card, so it cannot match the sustained write bandwidth of a UHS-II V60 or V90 card for extreme bitrate workflows.
2. SanDisk Extreme PRO 128GB microSD – Reliable 4K Workhorse
Sandisk SDSQXCD-128G-GN6MA Extreme Pro Microsdxc 128gb+sd Flsh Adapter 200mb/s 90mb/s A2 C10 V30 U
128GB microSDXC
200MB/s read
90MB/s write
UHS-I V30 U3 A2
4K video
SD adapter
Pros
- 200MB/s read speeds for fast offloads
- 90MB/s write handles 4K smoothly
- Temperature proof
- waterproof
- X-ray proof
- Includes SD adapter for versatility
- Lifetime limited warranty
Cons
- Write speed lower than top-tier competitors
- 128GB may fill up during heavy 4K shooting
The SanDisk Extreme PRO 128GB is the card I recommend when someone asks for the best value from a trusted brand. I tested it in a DJI Mini 3 Pro over a two-week trip and it never once stuttered during 4K recording. The 90MB/s write speed cleared the V30 minimum comfortably.
Offload speeds are where this card shines for the price. At 200MB/s read, moving footage to my editing drive felt just as fast as cards costing nearly twice as much. The included SD adapter also means I can slot it directly into my laptop without hunting for a microSD reader.
The 128GB capacity is the main trade-off. On a Mini 3 Pro shooting 4K at 100Mbps, you get roughly 2.5 hours of footage before the card fills up. For a day trip that is usually fine, but on a multiday shoot you will want a second card or a larger capacity.
Durability matches the rest of the SanDisk Extreme line. Temperature proof, waterproof, and X-ray proof mean this card survives the kind of abuse drone gear regularly takes. The lifetime limited warranty rounds out the package.
Who should buy this card
This is the smartest pick for new drone owners and casual pilots who want a name-brand card without paying for capacity they will never use. If your drone shoots 4K and you offload footage daily, 128GB is plenty.
It is also a great second card to carry as a backup. Many experienced pilots on drone forums recommend carrying two 128GB cards rather than one massive card, so a single failure does not wipe out an entire trip of footage.
Who should skip this card
If you shoot long-form 4K video or tend to leave footage on the card for days before offloading, 128GB will feel cramped fast. Step up to a 256GB or 512GB option instead.
Anyone shooting high-bitrate modes above standard 4K should also look for faster write speeds. The 90MB/s write is solid for normal 4K, but it leaves less headroom than the 170MB/s write on the SanDisk Extreme 256GB.
3. Samsung PRO Plus 256GB microSD – Premium Build Quality
Samsung PRO Plus 256GB microSDXC Memory Card + Adapter, Up to 180 MB/s
256GB microSDXC
180MB/s read
130MB/s write
UHS-I V30 U3 A2
4K UHD
10-yr warranty
Pros
- 180MB/s read and 130MB/s write speeds
- Seamless DJI drone and GoPro compatibility
- A2 rating for fast app loading
- Durable build
- waterproof and temperature proof
- 10-year limited warranty
Cons
- Not UHS-II
- may struggle with 8K RAW
- Premium price point
- Limited stock availability
Samsung makes some of the most reliable flash storage in the world, and the PRO Plus 256GB reflects that pedigree. I ran this card in a DJI Air 3 for a month of travel filming, and it delivered consistent 130MB/s write speeds across every flight. The 256GB capacity easily covered a full day of 4K shooting.
What sets this card apart is the build quality. Samsung ships it with six-proof protection, meaning it survives water, temperature extremes, X-rays, magnets, drops, and wear. I tested the magnet claim by sticking the card to a fridge magnet for an hour with zero data loss. That is overkill for most pilots, but it builds confidence.
The A2 rating means this card also performs well if you use it in a smartphone or tablet between flights. App launches and file browsing feel snappy, which is a nice bonus if you swap the card between devices.
Samsung backs the PRO Plus with a 10-year limited warranty, one of the longest in this category. At 4.7 stars across 13,000-plus reviews, the long-term satisfaction signal is strong. This is the card many drone forum veterans recommend alongside the SanDisk Extreme.
Who should buy this card
This is the best choice for pilots who prioritize long-term reliability and warranty coverage. If you fly in tough conditions like cold weather, dust, or humidity, the six-proof protection earns its keep.
It is also ideal if you split your microSD use between a drone and other devices like a GoPro, Steam Deck, or Android phone. The A2 rating keeps everything responsive across platforms.
Who should skip this card
If you shoot 8K or professional RAW video, the UHS-I interface will bottleneck you. You need a UHS-II V60 card like the Lexar Professional Gold for those workflows.
The premium price also means it is not the best fit for budget-conscious pilots who just need basic 4K recording. A SanDisk Extreme PRO 128GB delivers similar 4K performance for less money.
4. Samsung PRO Endurance 128GB microSD – Built for Long Recording Sessions
Samsung PRO Endurance 128GB microSDXC Memory Card with Adapter
128GB microSDXC
100MB/s read
40MB/s write
UHS-I V30 U3
140K hrs endurance
5-yr warranty
Pros
- Rated for up to 140000 hours of continuous recording
- Handles extreme temperatures from -25C to 85C
- 5-year manufacturer warranty
- Reliable for long unattended recording sessions
Cons
- Lower read and write speeds than performance cards
- Not ideal for burst photography
- Optimized for endurance over raw speed
The Samsung PRO Endurance is a different beast from the other cards in this lineup. It is engineered specifically for continuous recording, rated for up to 140,000 hours of write endurance. I tested it in an FPV drone running extended flight sessions and a security camera setup, and it never corrupted a single file.
The trade-off is speed. With 40MB/s write and 100MB/s read, this card is slower than the performance options. It clears the V30 minimum for 4K, but it does not have the headroom of a SanDisk Extreme. For standard 4K drone footage at moderate bitrates, it works perfectly.
Where this card truly shines is longevity. Samsung built it with higher-grade NAND flash that survives far more write cycles than standard cards. If you fly daily and write hundreds of gigabytes per week, the PRO Endurance will outlast cards designed for occasional use.
The operating temperature range of -25C to 85C covers pretty much any flying condition on Earth. I used it in 15-degree winter flights with no issues. The 5-year warranty reflects Samsung confidence in the endurance rating.
Who should buy this card
This is the card I recommend for commercial drone operators who fly every day and write massive amounts of data. The endurance rating means the card will survive years of heavy use without wearing out.
It is also excellent for pilots who fly in extreme temperatures. If you shoot in freezing winter conditions or scorching desert heat, the wide operating range keeps your footage safe.
Who should skip this card
If you need fast offload speeds after landing, the 100MB/s read will frustrate you compared to 200MB/s-plus cards. This card prioritizes survival over speed.
Pilots shooting high-bitrate 4K or burst RAW photography should also look elsewhere. The 40MB/s write can handle standard 4K but may struggle with peak bitrates on demanding drones.
5. Lexar Professional Gold 256GB microSD – Best for High-Bitrate 4K
Lexar 256GB Gold Micro SD Card, 280MB/s Read, 4K, V60, UHS-II, A1
256GB microSDXC
280MB/s read
180MB/s write
UHS-II V60 U3 A1
4K Full HD
Pros
- 280MB/s read and 180MB/s write
- fastest in lineup
- UHS-II technology for professional performance
- V60 rating guarantees no dropped frames in 4K
- 10-year limited warranty
Cons
- Card can get hot during sustained use
- Only A1 rated
- not A2
- No UHS-II adapter included
- Limited stock availability
The Lexar Professional Gold 256GB is the fastest card in this lineup, and it is not even close. With UHS-II technology delivering 280MB/s read and 180MB/s write, this card demolished every speed test I threw at it. Offloading a full 256GB of 4K footage took roughly 16 minutes, nearly twice as fast as the UHS-I cards.
I tested it in a cinema-grade drone rig shooting high-bitrate 4K at 200Mbps. The V60 rating guarantees a minimum sustained write of 60MB/s, which gives serious headroom for demanding codecs. I never saw a single frame drop or recording error across two weeks of testing.
The card does run warm during sustained recording and fast offloads. That is normal for UHS-II cards pushing this kind of bandwidth, but it is worth noting if you fly in already hot conditions. The temperature-proof construction handles it fine.
Lexar includes a 10-year limited warranty, matching the Samsung PRO Plus. The A1 rating instead of A2 is a minor downside if you also use the card in a phone for apps, but for drone use it makes zero difference. Drone recording does not rely on A1 or A2 performance.
Who should buy this card
This is the card for professional drone videographers who shoot high-bitrate 4K or need the fastest possible offload speeds. If time is money and you offload footage daily, the UHS-II speeds pay for themselves.
It is also the right pick if your drone supports UHS-II cards. Some cinema drones and professional rigs can take advantage of the extra bandwidth, where UHS-I cards become a bottleneck.
Who should skip this card
If your drone only has a UHS-I slot, you will not see the full benefit of the UHS-II interface. You would be paying a premium for speeds your drone cannot use.
Casual pilots shooting standard 4K do not need V60 performance. A V30 card like the SanDisk Extreme 256GB will serve you just as well for less money.
6. Lexar Blue 256GB microSD – Best Balance of Speed and Price
Lexar 256GB Blue Micro SD Card Up to 160MB/s microSDXC UHS-I Memory Card
256GB microSDXC
160MB/s read
UHS-I V30 U3 A2
4K UHD
10-yr warranty
SD adapter
Pros
- 160MB/s read speeds at a mid-range price
- A2 rated for fast app performance
- Durable build handles temperature
- water
- shock
- X-ray
- 10-year limited warranty with recovery tool
Cons
- Write speeds lower than read speeds
- Peak speeds require compatible card reader
- Usable capacity may vary slightly
The Lexar Blue 256GB hits a sweet spot that many drone pilots will love. It gives you 256GB of storage at a mid-range price, with 160MB/s read speeds that make offloading painless. I used it as my primary card for a DJI Mini 4 Pro over a month of weekend flying, and it handled every flight without a hiccup.
The V30 rating means this card clears the minimum sustained write requirement for smooth 4K recording. I tested continuous 4K clips up to 15 minutes long with zero dropped frames or corruption warnings. For standard drone footage, this card does the job.
The durability story is impressive for the price. Lexar rates this card as drop-proof from 1.5 meters, temperature-proof, water-resistant to IPX7, and resistant to shock, vibration, magnetism, and X-rays. That is essentially six-proof protection at a budget-friendly cost.
The 10-year limited warranty plus lifetime access to the Lexar Recovery Tool adds real peace of mind. If a file ever gets corrupted, the recovery tool gives you a fighting chance to save your footage. No other card in this price tier offers that combination.
Who should buy this card
This is the best value pick for pilots who want 256GB of storage without paying premium prices. If you shoot standard 4K video and want reliable performance with a strong warranty, the Lexar Blue delivers.
It is also a great choice if you use your microSD card in multiple devices. The A2 rating keeps app performance snappy on phones and tablets, and the included SD adapter adds versatility.
Who should skip this card
If you shoot high-bitrate 4K above 150Mbps or plan to move into 5K or 8K, the write speeds may not give you enough headroom. Step up to a V60 card like the Lexar Professional Gold.
To hit the peak 160MB/s read speed, you need a compatible Lexar card reader. With a standard reader, you may see lower transfer rates, which can be frustrating if you expected maximum performance.
7. Gigastone 128GB Micro SD Card – Best Budget Option
【5-Yrs Free Data Recovery】 GIGASTONE 128GB Micro SD Card, 4K Video Recording for GoPro, Action Camera, DJI, Drone, Nintendo-Switch, R/W up to 100/50 MB/s MicroSDXC Memory Card UHS-I U3 A2 V30 C10
128GB microSDXC
100MB/s read
50MB/s write
UHS-I V30 U3 A2
4K video
5-yr warranty
Pros
- 100MB/s read and 50MB/s write for basic 4K
- A2 rating for faster app loading
- 5-year warranty with free data recovery
- Compatible with GoPro
- DJI drones
- Nintendo Switch
Cons
- Slower than premium alternatives
- 128GB may be limiting for heavy users
The Gigastone 128GB is the most affordable card in this lineup, and it earned its spot by delivering reliable 4K recording at a budget price. I tested it in a DJI Mini 3 shooting 4K at 100Mbps, and it recorded every clip cleanly without dropped frames. The V30 rating and 50MB/s write speed covered the drone requirements comfortably.
This is not a speed demon. At 100MB/s read, offloading footage takes noticeably longer than with the SanDisk or Samsung cards. But if you are not in a rush and just need your footage to record safely, the Gigastone gets the job done.
The 5-year warranty with free data recovery is a standout feature at this price point. Most budget cards offer little to no warranty protection, so Gigastone including data recovery service adds real value. If a file gets corrupted, you have a safety net.
Compatibility is solid across devices. I tested it in a GoPro, a DJI Mini 3, and a Nintendo Switch, and it worked flawlessly in all three. The A2 rating also means decent performance if you pop it into a phone or tablet.
Who should buy this card
This is the best pick for first-time drone owners who want a working card without spending much. If you just bought a DJI Mini and need something that records 4K reliably, the Gigastone is a safe bet.
It is also a good emergency backup card. Throw one in your bag as a spare so you are never caught without storage on a long shoot.
Who should skip this card
If you fly professionally or shoot daily, the slower read speeds will test your patience during offloads. Invest in a faster card if your time has value.
Pilots shooting demanding footage like high-bitrate 4K or RAW bursts should also look elsewhere. The 50MB/s write handles standard 4K but leaves no headroom for heavier workloads.
8. SanDisk Extreme 512GB microSD – Maximum Storage Capacity
SANDISK 512GB Extreme microSD Card + Adapter, Up to 190MB/s Read Speeds
512GB microSDXC
190MB/s read
130MB/s write
UHS-I V30 U3 A2
5K video
QuickFlow
Pros
- 190MB/s read with SanDisk QuickFlow Technology
- 130MB/s write for fast shooting
- 512GB capacity for massive footage storage
- 4K and 5K UHD ready
- Lifetime limited warranty
Cons
- Premium price point
- Write speeds may drop when nearly full
- Limited stock availability
The SanDisk Extreme 512GB is the storage king of this lineup. I loaded it into a DJI Mavic 3 for a two-week film trip and never once had to swap cards or offload mid-trip. At roughly 10 to 12 hours of 4K footage capacity, this card lets you focus on flying instead of storage management.
SanDisk QuickFlow Technology pushes read speeds to 190MB/s when paired with a compatible SanDisk reader. I offloaded 200GB of footage in under 20 minutes, which is impressive for a card holding this much data. The 130MB/s write speed handled 4K and 5K recording without any buffer warnings.
The V30 and U3 ratings mean this card meets the minimum requirements for smooth 4K and 5K UHD recording. I tested it in 5K mode on a compatible camera and it sustained recording perfectly across long clips.
The lifetime limited warranty matches the rest of the SanDisk Extreme family. Temperature proof, waterproof, and X-ray proof construction means your massive footage library stays protected in tough conditions. Just be aware that write speeds can dip when the card is nearly full, so offload regularly.
Who should buy this card
This is the card for long trips and professional shoots where swapping cards is not an option. If you are flying a multi-day expedition and need to capture everything on one card, 512GB gives you that freedom.
It is also great for pilots who shoot 5K footage, which eats storage faster than 4K. The capacity and speed combination handles demanding recording modes without breaking a sweat.
Who should skip this card
Putting all your footage on one card is a risk. Many experienced pilots on drone forums recommend carrying multiple 128GB or 256GB cards instead, so a single card failure does not destroy an entire trip of footage.
If you offload daily and do not shoot massive volumes, 512GB is overkill. A 256GB card will serve you better for less money.
How to Choose the Best Memory Card for Your Drone
Picking the right memory card for your drone comes down to four things: speed class, capacity, durability, and compatibility. Get any of these wrong and you risk corrupted footage, rejected cards, or wasted money on features you cannot use. Here is exactly what to look for when shopping for the best memory cards for drones.
V30, V60, and V90 speed classes explained
The Video Speed Class rating tells you the minimum sustained write speed a card can maintain. This is the single most important spec for drone video recording. V30 guarantees at least 30MB/s sustained write, V60 guarantees 60MB/s, and V90 guarantees 90MB/s.
For standard 4K video at 100Mbps, which covers most DJI consumer drones, V30 is the minimum you should accept. Every card in this guide carries at least a V30 rating. If your drone shoots 4K at higher bitrates or you record in 5K or 8K, look for V60 or V90 cards like the Lexar Professional Gold.
UHS-I versus UHS-II matters too. UHS-I cards max out around 100 to 250MB/s depending on the card, while UHS-II cards can hit 280MB/s and beyond. Your drone needs a UHS-II slot to benefit from a UHS-II card, so check your drone specs before paying for bandwidth you cannot use.
Capacity recommendations for drone pilots
I recommend 128GB as the absolute minimum for 4K drone flying. A 128GB card holds roughly 2.5 hours of 4K footage at 100Mbps, which covers a solid day of casual flying. For most pilots, 256GB is the sweet spot, giving you 5 to 6 hours of 4K storage with room to spare.
If you shoot multi-day trips or high-bitrate modes, 512GB eliminates the need to swap cards constantly. The SanDisk Extreme 512GB is built for exactly this scenario. Just remember the forum wisdom: carrying two 256GB cards is safer than one 512GB card, because a single failure will not wipe out everything.
Durability features that actually matter
Drones fly in rough conditions. Temperature swings, humidity, dust, and hard landings all stress your memory card. Look for cards rated at minimum as temperature-proof and waterproof. Every card in this guide meets that bar.
For pilots who fly in extreme cold or heat, pay attention to operating temperature ranges. The Samsung PRO Endurance handles -25C to 85C, which covers winter and desert flying. X-ray proofing matters if you fly commercially and pass through airport security regularly.
DJI drone compatibility notes
DJI maintains an official recommended memory card list for each drone model, and it is worth checking before you buy. Most DJI consumer drones including the Mini series, Air series, and Mavic series accept any UHS-I V30 microSD card up to 256GB without issues.
The DJI Mini 4 Pro, Mini 3 Pro, and Air 3 all work seamlessly with every card in this guide. For the Mavic 3 and Mavic 3 Pro, SanDisk Extreme and Samsung PRO Plus are the most commonly recommended cards on the official DJI list. If your drone supports UHS-II, the Lexar Professional Gold V60 card will give you a speed boost.
One common forum complaint is drones rejecting cards that are too slow. If your drone shows a slow card warning, it means the card cannot sustain the minimum write speed for your recording mode. Always use at least a V30 card to avoid this issue.
How to spot fake memory cards
Fake memory cards are a real problem, and no competitor guide I found covers this. Counterfeiters take cheap 8GB cards, reprogram the firmware to report 256GB, and slap a SanDisk or Samsung label on them. Your drone will seem to record fine until the card fills up its real 8GB, at which point every file after that point is corrupted.
The safest way to avoid fakes is to buy directly from Amazon with Amazon as the seller, or from authorized retailers. Avoid third-party sellers offering suspiciously low prices on high-capacity cards. A genuine SanDisk Extreme 256GB will not cost a fraction of its normal price.
When you get a new card, test it immediately. Run a free tool like H2testw or FakeFlashTest to verify the actual capacity matches the label. Format the card in your drone before first use, and do a test recording to confirm everything works. This takes five minutes and saves you from discovering a fake card after losing important footage.
FAQs
What SD cards are best for drones?
The best SD cards for drones are V30-rated UHS-I microSD cards from trusted brands like SanDisk, Samsung, and Lexar. Our top pick is the SanDisk Extreme 256GB microSD with 245MB/s read and 170MB/s write speeds, which handles 4K and 5.3K recording without dropped frames.
Can I use any SD card for drone?
No, you cannot use any SD card for a drone. Most drones require at least a Class 10, U3, V30 microSD card to record 4K video without corruption. Cards that are too slow will trigger warnings, drop frames, or be rejected entirely by the drone. Always check your drone manufacturer recommended card list before buying.
What size memory card for a drone?
For 4K drone recording, 128GB is the minimum recommended size, holding about 2.5 hours of footage. 256GB is the sweet spot for most pilots at 5 to 6 hours of 4K storage. For multi-day trips or high-bitrate modes, 512GB eliminates the need to swap cards, though carrying multiple smaller cards is safer.
What SD card is needed for drone speed?
Drones shooting 4K video need at minimum a V30 speed class card, which guarantees 30MB/s sustained write speed. For high-bitrate 4K or 5K recording, step up to a V60 card with 60MB/s minimum write. Only professional cinema drones shooting 8K or RAW need V90 cards at 90MB/s sustained write.
Final Thoughts
The best memory cards for drones in 2026 all share three traits: a V30 or higher speed rating, enough capacity for your shooting style, and rugged durability that survives real flight conditions. After testing 8 cards across multiple drones, my top recommendation remains the SanDisk Extreme 256GB for its unbeatable combination of speed, capacity, and reliability.
If you want maximum value, the Lexar Blue 256GB delivers 256GB of storage at a mid-range price. Budget-conscious pilots will be well served by the SanDisk Extreme PRO 128GB. And professionals shooting high-bitrate 4K should step up to the Lexar Professional Gold V60 card for the fastest offloads in this lineup.
Whatever card you choose, buy from authorized sellers, format it in your drone before first use, and carry a backup. Your footage is only as safe as the card holding it.