
REOLINK 256GB microSDXC Memory Card, Up to 100MB/s, 4K UHD, U3, A2, V30, Class 10, FAT32, Micro SD Card Fully Compatible with Reolink Security Camera, Reolink PoE/WiFi/Battery Doorbell
Want the best price and purchase timing?
Our AI advisor analyzes real-time pricing across all channels to find you the best deal.
AI Verdict
This 256GB microSDXC card with U3, A2, V30, and Class 10 ratings is for Reolink camera owners needing local 4K video storage.
This 256GB microSDXC card is specifically designed and tested for compatibility with a wide range of Reolink cameras and doorbells, offering high-speed recording capabilities (U3, V30) for 4K video. It provides essential local storage, functioning even without internet.
If you're concerned about extreme long-term durability for 24/7 recording, look for microSDXC cards explicitly labeled as 'high endurance' from reputable brands.
Regret Score™
Very Low RiskLower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity
Issues discovered after purchase
Critically weak dimension
Amazon rating vs actual quality
Chance this product isn't for you
Pros
- Provides 256GB of local storage for Reolink cameras, supporting extended recording durations.
- UHS Speed Class-U3 and Video Speed Class-V30 ratings ensure it handles 4K UHD video recording without dropped frames.
- Application Performance Class-A2 rating means it's optimized for faster app loading and performance, which can be relevant for camera firmware or app interactions.
- Functions for recording even without an internet connection, ensuring footage capture during network outages.
- Comes with a 2-year warranty, offering some protection against performance issues.
Cons
- User discussions suggest that for continuous security camera recording, dedicated 'high endurance' cards from other brands might offer better long-term durability than standard cards.
- While compatible, some users prefer other brands like Samsung Pro Endurance or Sandisk for perceived reliability in constant write environments.
- The card's placement inside the camera or doorbell means if the device is stolen, the local footage is also lost.
Dimension Scores
The card's 4K UHD and V30 capabilities enable high-resolution recording, providing clear footage for detection algorithms to analyze, but the card itself does not perform detection.
It offers local storage, allowing cameras to record independently of network connectivity, which provides a form of offline data availability.
The card facilitates local playback and management of recorded video directly through the Reolink app, enhancing the app's functionality for reviewing footage.
Reolink states these cards are 'rigorously tested for high durability and stable performance' and come with a 2-year warranty, suggesting a focus on resilience for camera use.
Best For
- Reolink camera users who want to record 4K footage directly to the device.
- Anyone needing local video storage for their Reolink PoE, WiFi, or battery-powered cameras and doorbells.
- Users who want a backup recording method that works independently of internet connectivity.
Not Recommended For
- Users who prioritize cloud-only storage and do not need local backups.
- Those seeking the absolute highest endurance rating for extreme continuous 24/7 recording over many years, as some users suggest dedicated endurance cards.
Watch Out For
- Footage stored on the card is vulnerable to loss if the Reolink camera or doorbell itself is stolen.
- Some Reddit users express a preference for 'endurance' rated cards from other manufacturers for security camera use, implying potential long-term durability concerns for non-endurance cards in continuous write scenarios.
- Despite the 256GB capacity, continuous 4K recording can fill the card faster than lower resolutions, requiring more frequent overwrites or footage management.
Full Specifications
| ASIN | B0B8C8VKDP |
| Brand | REOLINK |
| Color | Black |
| Read Speed | 100 Megabytes Per Second |
| Item Weight | 0.317 ounces |
| Write Speed | 100 MB per second |
| Manufacturer | Reolink Digital |
| Warranty Type | REOLINK provides free 2-Year warranty |
| Special Feature | 256GB |
| Flash Memory Type | Micro SDXC |
| Item model number | 483d3066-3bc2-47a4-ac9c-62e48c62ce78 |
| Compatible Devices | Reolink Home Hub, Reolink Home Hub Pro, Reolink Security Cameras |
| Hardware Interface | microSDXC |
| Package Dimensions | 4.45 x 3.82 x 0.28 inches |
| Memory Storage Capacity | 256 GB |
| Secure Digital Association Speed Class | Class 10 |
What Buyers Say
While this Reolink 256GB microSDXC card is explicitly compatible with Reolink cameras and offers the necessary speed for 4K recording, a recurring theme in user discussions is the general recommendation for 'high endurance' cards from other brands for continuous security camera use. Users appreciate its ability to record locally even without internet. The main concern isn't specific failures of this card, but rather the inherent vulnerability of local storage if the camera itself is compromised.
“I bought this for my Reolink doorbell, and yeah, it records, but honestly, I'm still wondering if I should've just shelled out for a Samsung Pro Endurance like everyone on Reddit keeps saying. I mean, it works, but for something recording 24/7, you want that peace of mind, right?”
Common Praise
- Works directly with Reolink cameras and doorbells as advertised.
- Provides ample 256GB storage for extended video recording.
- Records 4K video smoothly due to U3 and V30 speed ratings.
- Enables local recording even when the internet connection is down.
Common Complaints
- Some users prefer 'high endurance' cards from other brands for continuous security camera recording due to perceived better long-term reliability.
- If the camera or doorbell is stolen, the recorded footage on the card is also lost.
Ownership Tips
- The card's performance for continuous recording holds up, but checking footage regularly is still a good habit to ensure data integrity.
- Capacity is sufficient for several days of motion-triggered 4K recordings before overwriting older files.
- Accessing recordings via the Reolink app is straightforward, leveraging the local storage.
Frequently Asked Questions
Is this microSD card compatible with all Reolink cameras?
It's fully compatible with many Reolink PoE, WiFi, and battery-powered cameras and doorbells, including models like the RLC-811A, E1 Pro, and Argus 3 Pro.
What does U3, A2, and V30 mean for a security camera?
U3 and V30 indicate high write speeds necessary for smooth 4K UHD video recording without interruptions. A2 means it's optimized for faster application performance, which can help with camera operations.
Can the camera still record if my internet goes out?
Yes, your Reolink camera can record to this microSD card even without an internet connection, ensuring local footage is captured during outages.
How much 4K footage can 256GB store?
The exact duration depends on the camera's bitrate and compression, but 256GB allows for a significant amount of 4K video, especially with motion-activated recording.
Is this an 'endurance' card?
The product description does not explicitly label it as an 'endurance' card. While rigorously tested for durability, some users prefer cards specifically marketed for high endurance in continuous write applications.
Buying Guide
When buying a microSD card for a security camera, you need to think about two main things: how much it can hold and how fast it can write data. Capacity (like 256GB) dictates how long your camera can record before it starts overwriting old footage. Speed ratings (like U3, V30) are crucial because security cameras, especially those recording 4K, are constantly writing data, and a slow card will drop frames or fail. Also, consider if you need a card specifically designed for 'endurance' if your camera records non-stop.
256GB capacity
This is how much video the card can store. For 4K security footage, 256GB gives you a decent buffer, meaning your camera can record for longer before it has to delete older files to make space.
U3, V30, Class 10
These are speed ratings. U3 and V30 are particularly important for video, guaranteeing a minimum sustained write speed (30MB/s for V30) that prevents dropped frames when recording high-resolution video like 4K. Class 10 is a basic speed class, but V30 is the real indicator for video performance.
A2
This is an Application Performance Class. It means the card is optimized for running applications, which can translate to faster camera boot times or smoother interaction with the camera's internal software.
Alternatives
If this card doesn't fit, look for microSDXC cards with 'high endurance' ratings, 256GB or higher capacity, and V30 speed class for continuous 4K recording in security cameras.



