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Sd Card For Security Camera Comparison - April 2026
| 1 Best Choice  9.9Exceptional | 2  9.7Exceptional | 3  9.5Excellent | 4  9.3Excellent | 5  9.1Excellent | 6  8.9Very Good | 7  8.8Very Good |
| View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon |
ModelSanDisk 256GB Ultra microSDXC UHS-I Memory Card with Adapter - Up to 150MB/s, C10, U1, Full HD, A1, MicroSD Card - SDSQUAC-256G-GN6MA | Model SanDisk 256GB High Endurance Video microSDXC Card with Adapter for Dash Cam and Home Monitoring systems - C10, U3, V30, 4K UHD, Micro SD Card - SDSQQNR-256G-GN6IA | Model Amazon Basics Micro SDXC Memory Card with Full Size Adapter for Smartphones, Tablets, Action Cameras, Full HD, A2, U3, Read Speed up to 100 MB/s, 256 GB, Black | Model GIGASTONE 128GB Micro SD Card 2-Pack, A1 V30 4K Video Recording, Compatible with Security Camera, Dash cam, Drone, 95MB/s MicroSDXC Memory Card UHS-I Class 10, with 2 SD Adapter | Model Amazon Basics Micro SDXC Memory Card with Full Size Adapter, A2, U3, Class 10, Read Speed up to 100 MB/s, 128 GB, Black | Model Silicon Power 128GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card for Cams, DJI Pocket and Drones | Model TOPESEL 32GB Micro SD Card 2 Pack Memory Cards Micro SDHC UHS-I TF Card Class 10 for Camera/Drone/Dash Cam(2 Pack U1 32GB) |
BrandSandisk | Brand Sandisk | Brand Amazon Basics | Brand Gigastone | Brand Amazon Basics | Brand SP Silicon Power | Brand TOPESEL |
Reviews | Reviews | Reviews  | Reviews | Reviews | Reviews  | Reviews |
Features | ||||||
Easy installation 9.8 | Easy installation 9.8 | Easy installation 9.4 | Easy installation 9.6 | Easy installation 9.3 | Easy installation 9.4 | Easy installation 8.6 |
Worth the money 9.4 | Worth the money 9.3 | Worth the money 9.3 | Worth the money 9.1 | Worth the money 9.1 | Worth the money 9.1 | Worth the money 8.4 |
Storage space 9.6 | Storage space 9.6 | Storage space 9.1 | Storage space 9.4 | Storage space 9.1 | Storage space 9.3 | Storage space 8.6 |
Simple to use 9.6 | Simple to use 9.4 | Simple to use 9.4 | Simple to use 9.4 | Simple to use 9.1 | Simple to use 8.9 | Simple to use 8.6 |
Tech Specs | ||||||
hardware interface microSDXC | hardware interface MicroSD | hardware interface microSDXC | hardware interface MicroSD | hardware interface microSDXC | hardware interface microSDXC | hardware interface microSDHC |
item weight 0.16 ounces | item weight 0.16 ounces | item weight 0.01 ounces | item weight 0.352 ounces | item weight 0.01 ounces | item weight 0.32 ounces | item weight 0.317 ounces |
secure digital association speed class Class 10 | secure digital association speed class Class 10 | secure digital association speed class Class 10 | secure digital association speed class Class 10 | secure digital association speed class Class 10 | secure digital association speed class Class 10 | secure digital association speed class Class 10 |
product dimensions 0.04L x 0.59W | product dimensions 0.04L x 0.59W | product dimensions 0.43L x 0.59W | product dimensions - | product dimensions 0.59L x 0.43W | product dimensions 0.59L x 0.43W | product dimensions 0.59 x 0.44 x 0.04 inches |
write speed 150 MB per second | write speed - | write speed 90 MB per second | write speed 40 MB per second | write speed 60 MB per second | write speed 20 MB per second | write speed 12 MB per second |
read speed 150 Megabytes Per Second | read speed 100 Megabytes Per Second | read speed - | read speed 95 | read speed - | read speed 100 Megabytes Per Second | read speed 85 Megabytes Per Second |
item dimensions lxwxh 0.04 x 0.59 x 0.43 inches | item dimensions lxwxh 0.04 x 0.59 x 0.43 inches | item dimensions lxwxh 0.43 x 0.59 x 0.1 inches | item dimensions lxwxh - | item dimensions lxwxh 0.59 x 0.43 x 0.1 inches | item dimensions lxwxh 0.59 x 0.43 x 0.1 inches | item dimensions lxwxh - |
ram- | ram 256 GB | ram - | ram - | ram 128 GB | ram 128 GB | ram - |
Review | Review | Review | Review | Review | Review | Review - |
Available On   | Available On  | Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.9
1SandiskSanDisk 256GB Ultra microSDXC UHS-I Memory Card with Adapter - Up to 150MB/s, C10, U1, Full HD, A1, MicroSD Card - SDSQUAC-256G-GN6MA
9.8 Easy installation9.6 Storage space9.6 Simple to useWhy we love it
High storage capacity for videos.
Compatible with various devices.
Reliable and fast performance.
-
9.7
2Sandisk
SanDisk 256GB High Endurance Video microSDXC Card with Adapter for Dash Cam and Home Monitoring systems - C10, U3, V30, 4K UHD, Micro SD Card - SDSQQNR-256G-GN6IA
9.8 Easy installation9.6 Storage space9.4 Simple to useWhy we love it
High endurance for long recording times.
Perfect for dash cams and surveillance.
Durable in harsh conditions.
-
9.5
3Amazon Basics
Amazon Basics Micro SDXC Memory Card with Full Size Adapter for Smartphones, Tablets, Action Cameras, Full HD, A2, U3, Read Speed up to 100 MB/s, 256 GB, Black
9.4 Easy installation9.4 Simple to use9.3 worth the moneyWhy we love it
Wide compatibility with devices
High quality storage for photos/videos
Ultra fast speeds lasting reliability
Sd Card For Security Camera Buyer's Guide
Written by Jim WilliamsIntroduction to SD Card for Security Cameras
SD cards are used in many modern security camera systems to provide extra storage capabilities. They are small, affordable, and can be used to store important video footage that you capture. They are also available in a variety of sizes, allowing you to choose the right one for your needs. When selecting an SD card for your security camera system, there are a few important features to consider. These include capacity, read/write speed, compatibility, and durability. It’s also important to consider the type of SD card, as there are various types available.
Types of SD Cards for Security Cameras
SD cards come in a variety of sizes and types, so it’s important to consider which one will be the best fit for your security camera system. The most common types of SD cards are SDHC (Secure Digital High Capacity), SDXC (Secure Digital Extended Capacity), and MicroSD. SDHC cards have a capacity of up to 32GB, and SDXC cards have a capacity of up to 2TB. MicroSD cards are smaller and have a capacity of up to 128GB. All of these cards are compatible with most security camera systems. It’s important to ensure that your security camera system is compatible with the type of SD card you plan to use.
Capacity
When selecting an SD card for your security camera system, one of the most important features to consider is the capacity. The capacity of the card determines how much data can be stored on it. Most security camera systems require an SD card with at least 8GB of storage, although higher capacity cards will provide more storage space. It’s important to consider how much footage you want to store on the card before selecting a card with a higher capacity.
Read/Write Speed
The read/write speed of an SD card is important for capturing and storing video footage. The read/write speed determines how quickly data can be written to or read from the card. Generally speaking, the faster the read/write speed, the better the performance. Security cameras require an SD card with a minimum read/write speed of 10MB/s, although higher speed cards will provide better performance.
Compatibility
It’s important to ensure that the SD card you select is compatible with your security camera system. Most cameras require an SD card that is compatible with the SDHC or SDXC formats. Some cameras also require a specific type of SD card, so it’s important to check the compatibility of the card before making a purchase.
Durability
Durability is another important factor to consider when selecting an SD card for your security camera system. SD cards are typically rated for a certain number of write cycles, which determines how many times data can be written to the card before it fails. Look for an SD card with a high write cycle rating for the best performance.
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