Largest Memory SD Card: Capacity and Performance Insights

We have researched 13 memory SD cards for you.

In today's digital age, the demand for high-capacity storage solutions is more pressing than ever. As we generate and consume vast amounts of multimedia content, the need for expansive and reliable storage grows. Many consumers and professionals alike seek out the best options to store their abundant data without the worry of running out of space. That's where Secure Digital (SD) cards come in, offering a portable and compact way to store photos, videos, and files.

With a plethora of options available, it can be daunting to choose the right one that meets your storage needs. We've compiled a list of exceptional SD cards that boast enormous storage capacities, ensuring that you have the freedom to capture and keep all your precious moments and crucial data. From seasoned photographers to avid gamers, these SD cards cater to a wide array of requirements, providing efficiency and peace of mind in an ever-growing digital world.
To simplify the price comparison, we determine the prices for the individual articles on Amazon, Ebay and other shops and link the offers via partner links where applicable. This means that we receive a commission if you buy something that we recommend - the price does not change for you.

What to Look for in Largest Memory SD Cards

Important criteria

  • Storage capacity
  • Read speed
  • Write speed
  • Reliability
  • Brand reputation
  • Durability

1.) Compatibility

Before investing in the largest capacity SD card available, it's crucial to ensure that it is compatible with your device. Not all devices support the latest SDXC or SDUC cards, which offer the highest capacities. Check your device's specifications to see the maximum supported SD card size and format to avoid purchasing an SD card that is unusable with your equipment.

2.) Performance

The performance of an SD card is measured by its read and write speeds. A higher performance card is essential for tasks such as recording 4K or 8K video, where data needs to be written quickly to the card. Look for class ratings such as UHS-I or UHS-II and Video Speed Class ratings like V30 or V60 that match or exceed the requirements of your intended use.

3.) Reliability and Brand Reputation

Reliability is a significant concern when considering a high-capacity SD card, as more data means a greater risk of loss in the event of card failure. Opt for SD cards from reputable brands with positive reviews and warranties. Cards with additional features such as waterproofing, magnet proofing, and x-ray proofing may offer extra peace of mind.

4.) Price and Future Needs

High-capacity SD cards come with a premium price. Assess your budget and consider whether the highest capacity is necessary for your current use. Future-proofing can be valuable, but technology evolves, and prices for high-capacity cards are likely to drop over time. Buying slightly more capacity than you currently need might be a more cost-effective strategy than opting for the largest available card.

The Largest Memory SD Cards of our Choice

Our Pick
ADROITLARK U3 Micro SD Card 32GB
ADROITLARK U3 Micro SD Card 32GB
Type/Color: U3-32GB Size: 32GB
  • 32GB microSD Card for various devices
  • Durable & reliable with Five protections features
  • Up to 70MB/s read speeds, Class 10 U3
  • Free SD Card Adapter for Cameras & Computers
  • 32GB Micro SD Card with lifetime warranty
$ 7.99 *
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2
AKASO 128GB microSDXC U3 Memory Card
AKASO 128GB microSDXC U3 Memory Card
Type/Color: Blue Size: 128GB
  • Compatibility with various action camera models.
  • Support for popular action camera brands.
  • Versatile use with multiple camera options.
  • Connects with different action camera models seamlessly.
$ 21.99 *
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3
Sandisk 128GB Ultra SDXC UHS-I Memory Card
Sandisk 128GB Ultra SDXC UHS-I Memory Card
Type/Color: Black Size: 128GB
  • Suitable for compact to mid-range point-and-shoot cameras
  • Transfer speeds up to 120MB/s for quick data backup(1)
  • Storage capacity up to 128GB for photos and Full HD videos(2)
  • Great for Full HD video recording with UHS Speed Class 1 (U1)(5)
  • Compatible with SanDisk SD UHS-I card reader for fast speeds(1)
$ 16.31 *
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4
SanDisk 32GB Ultra SDHC UHS-I Memory Card
SanDisk 32GB Ultra SDHC UHS-I Memory Card
Type/Color: Black Size: 32GB
  • Fast for good pictures and Full HD video
  • Good choice for compact to mid-range cameras
  • Available from 32GB to 256GB for storage
  • Excellent video performance with UHS Speed Class 1
  • Quick transfer speeds up to 100MB/s
  • 10-Year Manufacturer Warranty
$ 8.99 *
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5
Ediloca EF1 128GB Micro SDXC Memory Card with Adapter
Ediloca EF1 128GB Micro SDXC Memory Card with Adapter
Model: EF1 Type/Color: blue/White Size: 128GB
  • Ultra fast transfer speed: Up to 100MB/s
  • High quality memory card: U1 speed classes
  • Exceptional reliability: Water-proof, Temp-proof, Shock-proof
  • Wide device Compatibility: Compatible with many devices
  • Warranty Service: 5 year warranty provided
$ 12.99 *
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6
INLAND 32GB Class 10 SDHC Flash
INLAND 32GB Class 10 SDHC Flash
Type/Color: Blue Size: 32GB x 2
  • Full-size SD card, 32GB SDHC flash memory card 2 pack
  • Not compatible with mobile phones due to physical dimensions
  • SDHC card Read speed: 60MB/s, Write speed: 10MB/s
  • Allows quick picture shooting and file transfer
  • Class 10 speed rating ensures even video recording performance
  • Supports full HD video recording
  • SDHC supporting devices ONLY
  • Not backwards compatible, check device specs for compatibility
  • 3-Year Limited Warranty
  • Rugged construction to resist damage
  • SDHC cards for use with SDHC/SDXC host devices
  • Will NOT work with SD host devices
  • Look for SDHC/SDXC logo on host devices for compatibility
$ 10.34 *
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7
Lexar E-Series 128GB Micro SD Card 5 Pack
Lexar E-Series 128GB Micro SD Card 5 Pack
Type/Color: 128GB x5 Size: 128GB x5
  • Wide compatibility with various devices.
  • Captures, plays back, transfers various media files.
  • High speed memory card with A1-rated performance.
  • Available in different capacities ranging from 32GB to 512GB.
  • Ultra durable - waterproof, temperature-proof, shockproof, magnetic-proof.
  • Lexar limited 10-year warranty for microsd card.
$ 54.99 *
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8
Gigastone 128GB SD Card V30 SDXC
Gigastone 128GB SD Card V30 SDXC
Size: SD 128GB V30 1PK
  • Up to 100 MB/s data transfer speed.
  • 4K Ultra HD UHD Video Compatible.
  • Waterproof, temperature-proof, x-ray-proof, and shock-proof.
  • Magnetic proof with 1 mini case.
  • 5 year limited Warranty from good manufacturers and suppliers of memory cards.
$ 29.99 *
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9
SanDisk 32GB Extreme SDHC UHS-I Memory Card
SanDisk 32GB Extreme SDHC UHS-I Memory Card
Type/Color: Gray/Gold Size: 32GB
  • Shot speeds up to 60MB/s
  • Transfer speeds up to 100MB/s
  • Good for shooting 4K UHD video
  • Supports Full HD and 4K UHD video
  • Capture uninterrupted video with UHS Speed Class 3
  • Built and tested in harsh conditions
$ 9.99 *
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10
SanDisk 256GB Ultra microSDXC UHS-I Memory
SanDisk 256GB Ultra microSDXC UHS-I Memory
Type/Color: Black Size: 256GB
  • Ideal storage for Android smartphones and tablets.
  • Up to 256GB to store hours of Full HD video.
  • Speeds up to 150MB/s to transfer photos quickly.
  • Load apps quickly with A1-rated performance.
  • Class 10 for Full HD video recording.
$ 24.99 *
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11
Sandisk 32GB Ultra SDHC UHS-I Memory Card
Sandisk 32GB Ultra SDHC UHS-I Memory Card
Type/Color: Multicolor Size: 32GB
  • Discontinued by manufacturer
  • Good for compact to mid-range cameras
  • Quick transfer speeds up to 120MB/s
  • Read speed up to 120MB/s
  • Stores up to 32GB of data
  • Full HD video support
  • UHS Speed Class 1 for video recording
$ 7.49 *
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12
SanDisk 128GB Extreme PRO SDXC UHS-I Memory Card
SanDisk 128GB Extreme PRO SDXC UHS-I Memory Card
Type/Color: Dark gray/Black Size: 128GB
  • Card offload speeds up to 200MB/s
  • Powered by SanDisk QuickFlow Technology
  • Requires compatible devices for maximum speeds
  • Pair with SanDisk Professional PRO-READER for faster speeds
  • Shot speeds up to 90MB/s
  • Ideal for shooting 4K UHD video and burst mode photography
  • UHS Speed Class 3 (U3) and Video Speed Class 30 (V30)
$ 22.99 *
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13
Lexar E-Series Plus 128GB Micro SD Card
Lexar E-Series Plus 128GB Micro SD Card
Size: 128GB
  • A2 App Performance Class: Faster-launching apps, better performance (A2: 4000 read IOPS, 2000 write IOPS).
  • Fast Data Transfer Speed: Up to 160MB/s read, up to 90MB/s write.
  • Supports UHS-I, U3, V30, and C10 for high read speed and fast file transfer.
  • Smooth continuous photo shooting, 4K UHD/1080P Full HD video recording.
  • SD Card Adapter Included: Compatible with microSDXC and SDXC enabled devices.
  • Provides speed and storage for capturing more adventures and gaming.
  • Strong and Durable: Waterproof, shockproof, extreme temperature resistance, X-ray radiation-proof.
  • Manufacturer Support: 10-year support for microSD card, 1-year support for adapter.
$ 15.99 *
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* All prices incl. VAT, plus shipping if applicable. Prices, delivery times and costs may change in the meantime. The selection of products was made independently of the manufacturer and without any claim to completeness. All links to products are external partner links through which we may receive compensation. All information without guarantee.

Top Choices for High-Capacity SD Cards

For Photography Professionals
Capturing high-resolution images and videos requires SD cards with ample storage. Professionals can preserve their shoots without worrying about space constraints.
For Video Gaming Enthusiasts
Gamers seeking to expand their console or PC storage for additional downloadable content can benefit from larger SD cards, offering seamless storage upgrades.
For Data Hoarders
Huge storage capacity is crucial for those who collect and store extensive amounts of data. A large SD card ensures your collection remains intact in one place.
For Tech Gadget Lovers
Tech enthusiasts who love keeping their devices topped up with music, apps, and documents will appreciate the extended memory that a sizeable SD card offers.

Questions You Might Ask

The capacity you need depends on how you intend to use the card. If you're using it for general storage or to store photos on a smartphone or camera, a capacity of 32GB to 128GB should suffice. For high-resolution video recording or extensive photography, you might want capacities of 256GB or more. Always ensure your device supports the capacity of the SD card you're choosing.
The Class rating (e.g., Class 2, 4, 6, 10) refers to the minimum guaranteed write speed in megabytes per second (MB/s). Class 10 cards guarantee a minimum write speed of 10MB/s. For recording high-definition (HD) video and burst photography, you'll likely want a Class 10 card. There are also UHS (Ultra High Speed) classes, such as U1 and U3, with minimum speeds of 10MB/s and 30MB/s, respectively.
The difference between SD (Secure Digital), SDHC (Secure Digital High Capacity), and SDXC (Secure Digital eXtended Capacity) is the range of storage capacity and the file system used. Standard SD cards typically hold up to 2GB, SDHC cards range from 2GB to 32GB, and SDXC cards can store from 32GB to 2TB. Make sure your device is compatible with the specific type of card you're planning to buy.
The primary difference is the size. MicroSD cards are much smaller than regular SD cards and are commonly used in mobile devices like smartphones and tablets. However, they can be used in standard SD card slots with an adapter. When it comes to performance and storage capacity, both types of cards can have similar specifications.
Apart from the minimum write speed (standard Class 2, 4, 6, 10, U1, U3), SD cards also have a 'speed class' rating referred to as V6, V10, V30, V60, or V90 for video recording. These numbers indicate the minimum sustained write speed required for recording video in megabytes per second. For instance, V30 guarantees a minimum write speed of 30 MB/s suitable for 4K video, while V60 and V90 are designed for higher frame rates and resolutions such as 8K video recording.

Currently Active Poll

How to Choose the Largest Memory SD Card

In the quest for ever-expanding digital storage, selecting the largest memory SD card for your needs can be a tech-loaded task. Whether you're a photographer in need of ample space or a gadget lover looking to expand your device's memory, this guide will walk you through the essential considerations. We'll unravel the world of high-capacity SD cards and ensure your investment stores not just your files, but your peace of mind.

Understanding SD Card Capacity

Before diving into the market, let's clarify the capacity classifications. SD cards come in standard capacity (SDSC), high capacity (SDHC), extended capacity (SDXC), and ultra capacity (SDUC). The latter two options, SDXC and SDUC, provide the largest storage options, currently reaching up to several terabytes. However, make sure your device is compatible with these formats as not all gadgets can handle the sheer size of a SDUC.
When considering capacity, also think about how you’ll use the card. For instance, 4K videos and high-resolution images require more space than standard documents. As tempting as it is to go for the maximum capacity, it's crucial to balance capacity with your actual requirements, ensuring you're not paying for unused storage space.
Navigating the numbers can be tricky. Remember that manufacturers may use decimal arithmetic where a gigabyte is 1,000 megabytes, but your computer uses binary, where a gigabyte is 1,024 megabytes. This slight difference can make your SD card appear to have a smaller capacity when formatted by your device.

Speed Class and Performance

The speed class of an SD card is just as important as its storage capacity, particularly when dealing with large files. The speed class — Standard Class (2, 4, 6), UHS Class (1, 3), Video Class (V6, V10, V30, V60, V90) — indicates the minimum sustained writing speed. For instance, if you're recording 4K or 8K video, look for a V60 or V90 card, to avoid dropped frames and ensure smooth recording.
Performance also includes read and write speeds defined by the card's 'UHS' (Ultra High Speed) Bus. Cards with UHS-II and UHS-III buses offer significantly faster transfer rates, reducing the time it takes to transfer files to and from your card. If time is of the essence and you frequently transfer large files, opting for a card with a fast transfer rate will be beneficial.
Speed class also relates to the card's application performance class — either A1 or A2. This class determines the card's ability to run and store applications. If you're looking to use your SD card for app storage on your smartphone or tablet, an A2 class card would provide optimal performance.

Reliability and Durability

Larger SD cards mean more crucial data in one place, making reliability an essential consideration. Look for cards with built-in error correction code (ECC) to detect and correct transfer errors and wear-leveling technology which extends card life by evenly distributing data writing actions. These technologies help safeguard your data against corruption and the wear and tear of regular use.
Durability is another key factor. Consider SD cards that are waterproof, shockproof, x-ray proof, and temperature resistant. These rugged features provide additional protection for your data, especially if you're using your SD card in extreme conditions or if you travel often. The last thing you want is to lose memories or important files because of environmental factors.
Some SD card manufacturers provide additional software tools that enable file recovery and management. Investing in a card from a brand that supports its products with these kinds of tools can be the difference between recovering a precious memory or not. Also, don't forget to back up regularly; even the most durable and reliable card is not impervious to loss or damage.

Compatibility and Future-proofing

Your SD card's compatibility with current devices is crucial, but thinking ahead can maximize your investment. Consider the technological advancements and the possibility of upgrading your camera, laptop, or smartphone. Ensuring that your SD card meets future standards can help avoid the need for an imminent replacement.
Check if your devices are SDXC or SDUC compatible and understand the file system limitations. For example, SDXC cards typically use the exFAT file system, which might not be readable by older devices. If you're on the brink of a tech upgrade, ensure the SD card you choose will make the transition smoothly.
In addition, keep an eye out for emerging technologies and standards in the SD card space. While SDUC cards are relatively new and not widely supported, they do offer a glimpse into the future of portable storage. Factor in these considerations to make a future-proof choice that will serve your expanding data needs well beyond today.

Hands-on Reviews and Recommendations from Discussion-Boards

In this section, we'll delve into a collection of valuable resources for anyone seeking information on the largest memory SD cards available. These resources are painstakingly handpicked by us to ensure you get the most credible and informative content. They are organized into four distinct types: expert reviews, insightful forum discussions, engaging Reddit threads, and informative videos. Each category has been chosen to provide a well-rounded perspective on the topic.
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Both the SDS100 and the SDS200 owner's manuals state that 32 GB is the largest card supported, but there have been posts from time to time with...
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It supports SDXC which is max 2TB - anything that can read SDXC cards should be able to read at least 2TB cards. The filesystem can come into...
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According to 3ds hacks guide 128 GB is ideal and if you go any bigger things start to have problems.
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The SDUC standard (2019) supports up to 128TB capacities. Most modern phones, digital cameras, and other handheld electronics currently ...
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The highest capacity currently available offering is the Micron 1.5TB micro SD which is being sold for ~$450.
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Silicon Power Micro Sd cards My thoughts & update 1TB…
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Silicon Power Micro Sd cards My thoughts & update.. Silicon Power micro Sd cards are a excellent value and good quality for the price.

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