Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Memory Cards Comparison - July 2025
7 Best Memory Cards In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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Overview: Are you trying to decide between different memory cards? This page will help you compare and contrast different features to help you make the best decision for your needs.
Amazon Basics Micro SDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128 GB, Black
Model
SanDisk 128GB Extreme PRO SDXC card, SD Card, V30 Memory Card, 4K UHD, up to 200 MB/s, SanDisk QuickFlow Technology, RescuePro Deluxe Data Recovery Software, UHS-I, Class 10, U3, V30
Model
SanDisk 256GB Extreme microSDXC card +SD adapter, microSD card for smartphones, action cameras, drones, V30, up to 190 MB/s, SanDisk QuickFlow Technology, RescuePro Deluxe, UHS-I, 4k, V30, A2, C10, U3
Model
SanDisk 128GB Ultra microSDXC card + SD adapter, Memory card Full HD, up to 140 MB/s, For smartphones and Tablets, with A1 App Performance, UHS-I, Class 10, U1
Model
SanDisk 256GB Extreme PRO micro SD card + SD adapter, (For Smartphones, Action Cams, Drones, Speeds up to 200 MB/s) A2 App Performance + RescuePro Deluxe UHS-I, Class 10, U3,
Model
SanDisk 64GB Ultra SDXC Card, SD Card, Memory Card With Up To 140 MB/s Read Speeds, For Entry Level And Mid-range Compact Camera's, Full HD Video, UHS-I, Class 10, U1
Model
SanDisk Ultra 64GB SDXC Memory Card, up to 100MB/s, Class 10, Black/Grey
Brand
Amazon Basics
Brand
SanDisk
Brand
SanDisk
Brand
SanDisk
Brand
SanDisk
Brand
SanDisk
Brand
SanDisk
Reviews
153,506 reviews
Reviews
94,650 reviews
Reviews
108,834 reviews
Reviews
161,700 reviews
Reviews
50,694 reviews
Reviews
18,670 reviews
Reviews
214 reviews
Features
Worth the money
9.1
Worth the money
8.1
Worth the money
7.0
Worth the money
7.0
Worth the money
7.0
Worth the money
7.0
Worth the money
7.0
Storage space
9.1
Storage space
8.9
Storage space
9.1
Storage space
8.9
Storage space
8.6
Storage space
8.6
Storage space
8.4
Tech Specs
product dimensions
11L x 15W millimetres
product dimensions
2L x 24W millimetres
product dimensions
1L x 15W millimetres
product dimensions
1L x 15W millimetres
product dimensions
0.1 x 1.5 x 1.1 cm 5 g
product dimensions
32L x 24W millimetres
product dimensions
40D x 30W x 10H millimetres
hardware interface
microSDXC
hardware interface
SDHC
hardware interface
microSDXC
hardware interface
microSDXC
hardware interface
-
hardware interface
SDXC
hardware interface
microSDXC, microSDHC
read speed
100 Megabytes Per Second
read speed
200 Megabytes Per Second
read speed
190 Megabytes Per Second
read speed
140 Megabytes Per Second
read speed
-
read speed
140 Megabytes Per Second
read speed
100 Megabytes Per Second
item weight
0.27 g
item weight
2 g
item weight
10 g
item weight
4.54 g
item weight
-
item weight
2.27 g
item weight
10 g
special feature
magnetic proof
special feature
X Ray Proof, Water Proof, Temperature Proof, Drop Proof
special feature
Water Proof, Temperature Proof, Drop Proof, X Ray Proof, Wearout Proof, Write Protect Switch, Shock Proof
special feature
Portable
special feature
-
special feature
Temperature Proof, X Ray Proof, Compact, Portable, Lightweight, Durable, Water Proof
special feature
Class 10, Compact
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
-
secure digital association speed class
Class 10
secure digital association speed class
Class 10
customer reviews
4.6 4.6 out of 5 stars 76, 753 ratings 4.6 out of 5 stars
customer reviews
4.7 4.7 out of 5 stars 47, 325 ratings 4.7 out of 5 stars
customer reviews
4.7 4.7 out of 5 stars 54, 417 ratings 4.7 out of 5 stars
customer reviews
4.7 4.7 out of 5 stars 80, 850 ratings 4.7 out of 5 stars
customer reviews
-
customer reviews
4.6 4.6 out of 5 stars 9, 335 ratings 4.6 out of 5 stars
customer reviews
4.7 4.7 out of 5 stars 107 ratings 4.7 out of 5 stars
Here are the top 3 recommended products with more information to help you find the right product for you
9.6
1
Amazon Basics
Amazon Basics Micro SDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128 GB, Black
9.1worth the money
9.1Storage space
Why we love it
Wide compatibility with devices.
High-speed read and write.
Durable and reliable.
Main highlights
WIDE COMPATIBILITY: Compatible with smartphones, tablets, cameras, GoPro/action cameras, laptops, desktop computers, DSLRs, drones, Nintendo Switch/other portable consoles, much more, includes SD adapter
ULTRA FAST: Read speed up to 100MB/s, write speed up to 60MB/s (varies according to memory size), UHS, U3, Class 10, A2 speed classes for an optimal smartphone experience
The actual storage capacity shown by the operating system of your device may be less than the capacity indicated on the product label due to different measurement standards. The available storage capacity is higher than 116GB.
Read, write speeds are based on internal tests conducted under controlled conditions, actual speeds may vary depending on device used, interface, conditions of use, other factors
HIGH QUALITY STORAGE: Perfect for high resolution photos, for recording and storing Full HD/4K videos, any other data type
Check whether your device is compatible with the MicroSD capacity, for example, if the device only supports a maximum capacity of 64GB, it may not recognize 128GB MicroSDs above
Show more
9.5
2
SanDisk
33% Off
SanDisk 128GB Extreme PRO SDXC card, SD Card, V30 Memory Card, 4K UHD, up to 200 MB/s, SanDisk QuickFlow Technology, RescuePro Deluxe Data Recovery Software, UHS-I, Class 10, U3, V30
8.9Storage space
8.1worth the money
Why we love it
Fast file transfer speeds up to 200MB/s.
Ideal for 4K UHD video and burst photography.
Highly reliable with UHS Speed Class 3.
Main highlights
Shot speeds up to 90MB/s
Save time with card offload speeds of up to 200MB/s powered by SanDisk QuickFlow Technology
Perfect for shooting 4K UHD video and sequential burst mode photography
Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds (sold separately)
Capture uninterrupted video with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30)
Show more
9.4
3
SanDisk
SanDisk 256GB Extreme microSDXC card +SD adapter, microSD card for smartphones, action cameras, drones, V30, up to 190 MB/s, SanDisk QuickFlow Technology, RescuePro Deluxe, UHS-I, 4k, V30, A2, C10, U3
9.1Storage space
7.0worth the money
Why we love it
Blazing fast data transfer speeds.
Optimized for 4K UHD recording.
Improves app performance significantly.
Main highlights
Up to 130MB/s write speeds for fast shooting
Save time with card offload speeds of up to 190MB/s powered by SanDisk QuickFlow Technology
Rated A2 for faster loading and in-app performance
Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds (sold separately)
4K UHD-ready with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30)
Show more
Our ranking system
The TopChoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria. We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. TopChoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.
Features
Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
Consumer Reviews
We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
Popularity
Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.
When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.
When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Advertising Disclosure
9.1 
9.5
2SanDisk33% Off
Fast file transfer speeds up to 200MB/s.
