5 Best 256 GB SD Card For Security Camera

If you have a security camera that records in higher resolutions like HD, 4k+ camera quality, you’ll need a good SD card with large storage capabilities. Otherwise, you may need to keep buying SD cards until it fills up in a few months!

This is why you need to secure your home from burglars with a high-quality camera that supports SD cards for local storage. We’ve reviewed the best SD cards on the market for security cameras, which offer the highest level of performance and the best value, and found that SanDisk Ultra is the best 256GB memory card for home surveillance.

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How much storage can 256GB hold?

As SD cards continue to be the most common type of storage media for security cameras and other devices with onboard memory, people will begin looking for a new 256GB card. This is because current 128 GB cards are not able to hold enough data in order to keep up with demand.

SD cards are used to store data, and 256 GB is enough storage for raw images and full video footage from 1080p all the way up to 4K. SD cards can be bought in a wide variety of sizes that will meet the needs of any company’s camera system.

Our top pick for 256GB SD Cards for Security cameras offers fast read and write speeds that allow it to handle large video files quickly without losing quality or increasing file size too much.

Top 5 Best 256GB SD Card for Security Cameras

1. SanDisk 256GB Ultra MicroSDXC UHS-I Memory Card


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The SanDisk 256GB Ultra MicroSDXC UHS-I Memory Card is a memory card designed for 4k action cams. This large capacity card will give you enough space to store hours of footage from your camera. In addition, the speed of this SD card is very fast and it’s made with quality materials that are guaranteed to last you years.

The SanDisk Ultra MicroSDXC UHS-I Memory Card is one of the best 256 GB SD cards for security cameras in 2021. It has a transfer speed of 100mbp/s, making it an excellent card to use with video surveillance systems. This card is also waterproof and dustproof, which makes it perfect for outdoor surveillance purposes.

This memory card comes preloaded with Android File Transfer software that allows users to easily download videos or images from their phone to this storage device. Furthermore, this card is compatible with Android and Windows devices.

SanDisk’s 256GB Ultra MicroSDXC UHS-I Memory Card is a universal memory card that can be used in various devices. It has the capacity to store up to 32 hours of 4K video and comes with 3 years warranty at the time of purchase.

SanDisk’s 256GB Ultra MicroSDXC UHS-I Memory Card is a top pick for the best SD card currently. It offers unrivaled durability and compatibility, making it an ideal option for any device that requires a solid storage solution. This card comes in at just under $100 and includes the SD Adapter which makes it easy to insert into your devices.

2. PNY 256GB PRO Elite Class SD Card


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The PNY 256 GB PRO Elite Class SD Card is water and shock-proof, meaning it is designed to be used with high-speed burst photography and video. It provides users with increased performance for both stills and videos.

The PNY 256GB PRO Elite Class SD Card is a top-quality product that can be used for security cameras. It boasts a read speed up to 95MB/s and has perfect compatibility with the new generation of high-definition video recording systems.

PNY 256GB PRO Elite Class SD Card is one the best card for security cameras because of its waterproof, shockproof, temperature proof, and magnet-proof features. It also has a long lifespan with high performance that will be useful when storing videos or photos captured by these cameras.

PNY 256GB PRO Elite Class SD Card is a high-quality product that has been made to last. It comes in the form of an affordable, low-cost memory card with class 10 speed and UHS-1 compatibility.

It also offers a limited warranty for lifetime protection against defects or damage caused by improper use or handling during its service period. The manufacturer provides this quality at an affordable price point without sacrificing performance on any front, making it one of the best cards available today.

3. Samsung electronics EVO select 256GB Microsdxc


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The Samsung electronics EVO select 256GB Microsdxc is a class of its own in capacity. This SD card utilizes UHS speed class 3 technology, which means that the video recording and playback will be smoother than any other SD card. It comes with a lifetime warranty, too!

This high-quality storage device is compatible with all types of devices, including digital cameras and computers.

This SD card is made specifically for security cameras. It has a 256 GB capacity, which will allow you to store your high-quality videos in it with no worries of running out of space.

It’s designed by Samsung Electronics for use in their latest smartphones and tablets, so the quality remains consistent across different devices. The durability of this product also means that it can last for years without any issues or need to be replaced due to wear and tear – making this an excellent pick for anyone looking for a long-lasting SD card.

This is a 256GB MicroSDXC card that comes with an EVO select reader. It has the capability to record up to 6 hours of Full HD video at 30fps, 4K UltraHD video at 60fps, and supports UHS-I for faster transfer speeds when recording high definition videos.

The SD card offers robust security features like its magnetic protection against theft or loss; x-ray proof for airport security; temperature resistance in excess of -25 degrees Celsius/-13 degrees Fahrenheit.

Additionally, it is compatible with most Android and Apple devices as well as Windows PCs.

The Samsung electronics EVO select 256GB Microsdxc is a modern card that boasts high read and write speeds, allowing for an efficient transfer of data. It also comes with U3 support, which allows the cards to store up to 64GB of media files at once. Additionally, it can be formatted in-camera or on a computer without any issues.

With these features combined together, this SD card will help you capture high-quality video footage while saving valuable time.

4. Gigastone 256GB Micro SD Card


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The Gigastone Micro SD card is a great option for people who love to capture the thrill of a lifetime at a minimum price, but with premium performance. It’s specially designed for people who want to use their camera as often as possible and also has high-quality video and photo files.

It comes with an SD adapter that can be inserted into 1-inch slots on cameras and other devices. The card is compatible with Security Cameras iPhone XS Max, Samsung Galaxy S10+/S10E/S10, and iPhone XR/XS/XS Max.

The Gigastone 256GB Micro SD Card has a built-in gold-plated connector that is resistant to corrosion and rust. It also comes with a lifetime guarantee of no defects or faulty components.

The Gigastone 256GB Micro SD Card is the best option for those looking for a reliable, good-quality card at an affordable price. This memory card has fast read and write speeds of up to 95MB/s that are on par with some top brands but at a lower cost.

It’s also waterproof and shockproof so it can withstand various types of conditions including water immersion or falls from heights without any damage.

5. Kingston 256GB microSDXC


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In the coming years, dashcams, security cameras, etc will become more popular as they are seen as a way to help protect drivers from dangerous situations. In order to capture high-quality video footage of events that happen on the road, you’ll need a card that’s fast and reliable. Kingston 256GB microSDXC is perfect for this use case because it has a speed rating of 95MB/s and boasts an impressive write speed of up to 90MB/s.

It also comes with a 5-year warranty and is backed by a lifetime warranty. The Kingston 256GB microSDXC is a high-quality SD card that provides good speeds and robust protection. It doesn’t provide the best performance for smartphones, but it’s excellent in other areas such as security cameras and drones.

Kingston has been making quality memory cards since 2002 so you know this product will last more than just one year of use.


The need to protect your properties using security cameras with local storage is becoming more demanding as the crime rate increases. Having a home security surveillance system equipped with about 256 gigabytes of space is ideal for storing security footage from multiple cameras for a longer period of time.

If you’re are considering purchasing a 256GB SD card for your security camera, we recommend the SanDisk 256GB Ultra MicroSDXC UHS-I, Memory Card, for Cameras. This card is on the cheaper side, but still offers a lot of storage space at 256GB.



I am a Mechanical Engineer with years of experience working in the Security Industry. Aside from giving out useful information here, my hobbies include researching, listening to classical songs. In my spare time, I learn python programming language.