Micro Sd Card 512gb Comparison - August 2025

Last Updated - August 25, 2025

Our Score

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Model

SanDisk 512GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-512G-GN6MA

Model

SanDisk 512GB Ultra microSDXC UHS-I Memory Card with Adapter - Up to 150MB/s, C10, U1, Full HD, A1, MicroSD Card - SDSQUAC-512G-GN6MA [New Version]

Model

Samsung PRO Plus microSD Memory Card + Adapter, 512GB microSDXC, Up to 180 MB/s, Full HD & 4K UHD, UHS I, C10, U3, V30, A2, for Android Smartphones, Tablets, GoPRO, and DJI Drone (MB MD512SA/AM)

Model

Samsung EVO Select microSDMemory Card + Adapter, 512GB microSDXC, Up-to 160 MB/s, 4K UHD, UHS-I, C10, U3, V30, A2, for Mobile Phone, Smartphones, Nintendo-Switch, and Tablets (MB-ME512SA/AM)

Model

SanDisk Extreme PRO microSDXC UHS-I Memory Card 512 GB + Adapter & RescuePRO Deluxe (for Smartphones, Action Cameras or Drones, A2, Class 10, V30, U3, 200 MB/s Transfer)

Model

Amazon Basics Micro SDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 512 GB, Black

Model

Amazon Basics 512GB microSDXC Card with Adapter, Read Speed Up to 200MB/s, 1-Pack

Brand

SanDisk

Brand

SanDisk

Brand

SAMSUNG

Brand

Samsung

Brand

SanDisk

Brand

Amazon Basics

Brand

Amazon Basics

Reviews

342,904 reviews

Reviews

558,944 reviews

Reviews

90,040 reviews

Reviews

335,696 reviews

Reviews

8,720 reviews

Reviews

297,960 reviews

Reviews

476 reviews

Features

Worth the money

9.4

Worth the money

9.4

Worth the money

9.4

Worth the money

9.1

Worth the money

9.1

Worth the money

8.9

Worth the money

8.6

Easy installation

9.9

Easy installation

9.8

Easy installation

9.8

Easy installation

9.4

Easy installation

9.3

Easy installation

9.1

Easy installation

9.1

Storage space

9.8

Storage space

9.6

Storage space

9.6

Storage space

9.3

Storage space

9.1

Storage space

9.1

Storage space

8.9

Tech Specs

hardware interface

microSDXC

hardware interface

microSDXC

hardware interface

MicroSD, microSDXC

hardware interface

microSDXC

hardware interface

microSDXC

hardware interface

microSDXC

hardware interface

MicroSD

item weight

0.352 ounces

item weight

0.16 ounces

item weight

0.317 ounces

item weight

0.009 ounces

item weight

0.176 ounces

item weight

0.01 ounces

item weight

0.592 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

customer reviews

4.8 4.8 out of 5 stars 85, 726 ratings 4.8 out of 5 stars

customer reviews

4.7 4.7 out of 5 stars 139, 736 ratings 4.7 out of 5 stars

customer reviews

4.8 4.8 out of 5 stars 22, 510 ratings 4.8 out of 5 stars

customer reviews

4.7 4.7 out of 5 stars 83, 924 ratings 4.7 out of 5 stars

customer reviews

4.7 4.7 out of 5 stars 2, 180 ratings 4.7 out of 5 stars

customer reviews

4.7 4.7 out of 5 stars 74, 490 ratings 4.7 out of 5 stars

customer reviews

4.8 4.8 out of 5 stars 119 ratings 4.8 out of 5 stars

product dimensions

0.59L x 0.43W

product dimensions

0.59L x 0.43W

product dimensions

0.39L x 0.5W

product dimensions

-

product dimensions

0.04L x 0.59W

product dimensions

0.43L x 0.59W

product dimensions

2.83 x 2.58 x 0.61 inches

read speed

190 Megabytes Per Second

read speed

150 Megabytes Per Second

read speed

180 Megabytes Per Second

read speed

160 Megabytes Per Second

read speed

200 Megabytes Per Second

read speed

-

read speed

200 Megabytes Per Second

color

Gold/Red

color

Black

color

Read/Write 180/130MB/s

color

-

color

Red, Black

color

-

color

Yellow, Black

special feature

water proof, x ray proof, temperature proof

special feature

Humidity Proof, X-Ray Proof, Water Proof, Magnetic Proof, Shock Proof, Wearout Proof, Temperature Proof, Drop Proof

special feature

X Ray Proof, temperature proofer, magnetic

special feature

-

special feature

water proof, x ray proof, temperature proof

special feature

-

special feature

Shockproof

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

0.39 x 0.5 x 0.1 inches

item dimensions lxwxh

-

item dimensions lxwxh

-

item dimensions lxwxh

0.43 x 0.59 x 0.1 inches

item dimensions lxwxh

2.83 x 2.58 x 0.61 inches

warranty type

1

warranty type

Manufacturer

warranty type

-

warranty type

Limited

warranty type

-

warranty type

-

warranty type

-

language

English, English

language

English

language

-

language

-

language

English, English, English, English

language

-

language

-

write speed

-

write speed

150 MB per second

write speed

-

write speed

-

write speed

140MB/s

write speed

90 MB per second

write speed

-

Review

Review

-

Review

Review

-

Review

-

Review

-

Review

-

Available On

Amazon

Walmart

ebay

Available On

Amazon

Walmart

ebay

Available On

Amazon

Walmart

ebay

Available On

Amazon

ebay

Available On

Amazon

Walmart

ebay

Available On

Amazon

Available On

Amazon

Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you

9.8
1

SanDisk
SanDisk 512GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-512G-GN6MA

9.9 Easy installation

9.8 Storage space

9.4 worth the money

Why we love it

Blazing fast data transfer speed.

Excellent for 4K video recording.

Ample storage for extensive media.
Main highlights

Up to 130MB/s write speeds for fast shooting (Based on internal testing; performance may be lower depending upon host device interface, usage conditions and other factors. 1MB=1,000,000 bytes.)
Save time with card offload speeds of up to 190MB/s powered by SanDisk QuickFlow Technology (Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Based on internal testing; performance may be lower depending upon host device interface, usage conditions and other factors. 1MB=1,000,000 bytes. SanDisk QuickFlow Technology is only available for 64GB, 128GB, 256GB, 400GB, 512GB, and 1TB capacities. 1GB=1,000,000,000 bytes and 1TB=1,000,000,000,000 bytes. Actual user storage less.)
Rated A2 for faster loading and in-app performance (A2 performance is 4000 read IOPS, 2000 write IOPS. Results may vary based on host device, app type and other factors)
Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds (sold separately)
Compatible with Nintendo-Switch (NOT Nintendo-Switch 2)
4K and 5K UHD-ready with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) (Compatible device required. Full HD (1920x1080), 4K UHD (3840 x 2160), and 5K UHD (5120 X 2880) support may vary based upon host device, file attributes and other factors. See HD page on SanDisk site. UHS Speed Class 3 (U3) designates a performance option designed to support real-time video recording with UHS-enabled host devices. Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS-enabled host devices. See the SD Association’s official website.)
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9.7
2

SanDisk
SanDisk 512GB Ultra microSDXC UHS-I Memory Card with Adapter - Up to 150MB/s, C10, U1, Full HD, A1, MicroSD Card - SDSQUAC-512G-GN6MA [New Version]

9.8 Easy installation

9.6 Storage space

9.4 worth the money

Why we love it

High storage capacity for large files.

Fast transfer speeds for quick data access.

Reliable performance in various conditions.
Main highlights

View, access, and back up your phone's files in one location with the SanDisk Memory Zone app(5).
Transfer files fast with up to 150MB/s(2) read speeds and SanDisk MobileMate USB micro 3.0 microSD card reader(6).
Relax knowing your card is backed by a 10-year limited warranty(9).
Load apps faster with A1-rated performance (A1 performance is 1500 read IOPS, 500 write IOPS. Based on internal testing. Results may vary based on host device, app type, and other factors.)
Increase your TV show, movie, and Full HD video (4) recording collections dramatically with up to a massive 1.5TB(1).
Expand your storage in a flash: ideal for Android smartphones and tablets, Chromebooks, and Windows laptops.
Compatible with Nintendo-Switch (NOT Nintendo-Switch 2)
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9.4
3

SAMSUNG
43% Off

Samsung PRO Plus microSD Memory Card + Adapter, 512GB microSDXC, Up to 180 MB/s, Full HD & 4K UHD, UHS I, C10, U3, V30, A2, for Android Smartphones, Tablets, GoPRO, and DJI Drone (MB MD512SA/AM)

9.8 Easy installation

9.6 Storage space

9.4 worth the money

Why we love it

Fast read/write speeds for seamless 4K video capture.

Ample storage options for apps, media, and games.

Reliable with comprehensive protection and warranty.
Main highlights

YOU’RE FULLY PROTECTED: The PRO Plus takes on life’s adventures with water¹⁰, temperature¹¹, X-ray¹², magnet¹³, drop¹⁴, and wearout¹⁵ protection; You deserve reliable storage, backed by a 10-year limited warranty¹⁶-¹⁹
YOUR NEW GO-TO CARD: Capture seamless 4K videos¹ on your compatible phone or drone, while expanded storage gives you the freedom to play more high-performance, intensive games on your tablet or gaming device
WORLD’S #1 FLASH MEMORY BRAND: Performance and reliability from the world’s #1 brand for flash memory since 2003¹⁸; All firmware and components are produced in-house, including our world renowned DRAM and NAND, for quality and you can trust
TAKE YOUR BURST SHOT: Fast U3, Class 10 rated read/write speeds up to 180/130MB/s²-³ let you shoot more photos faster and transfer with ease⁴; 4K videos look sharp with UHS-I, V30 rated speed and A2 rating provides more storage for apps and games
ADD SPACE, KEEP IT ALL: Huge capacities of 128GB, 256GB and 512GB give you plenty of storage space; Shoot as many long takes⁵-⁷ and high-resolution photos8-9 as you want, or load up on apps and media; Now you’ve got the room
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Our ranking system

At BestChoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.
While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.

Features

Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.

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Consumer Reviews

We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.

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Popularity

Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.

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Value for money

AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.

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