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512gb Usb Memory Stick Comparison - July 2025

1
Best Choice
9.8Exceptional
2
9.7Exceptional
3
9.6Exceptional
4
9.5Excellent
5
9.4Excellent
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Model

SanDisk 512GB Ultra Flair USB 3.0 Flash Drive - SDCZ73-512G-G46,Black
Model
SanDisk 512GB Ultra USB 3.0 Flash Drive - SDCZ48-512G-G46, Black
Model
SanDisk 512GB Ultra Fit USB 3.2 Flash Drive - SDCZ430-512G-G46, Black
Model
SSK 512GB SSD USB C Stick up to 1000MB/s,Fast Thumb Drive,Dual Drive Type-C + USB A 3.2 Gen 2 External Solid State Drives,USB Memory Stick for iPhone 15/PS4/Android Phone/Tablet/Windows/Mac
Model
Gigastone Z60 512GB USB 3.2 Gen1 Flash Drive, R/W 120/80 MB/s Ultra High Speed Pen Drive, Capless Retractable Design Thumb Drive, USB 2.0/3.0/3.1 Interface Compatible

Brand

SanDisk
Brand
Sandisk
Brand
Sandisk
Brand
SSK
Brand
Gigastone

Reviews

340,056 reviews
Reviews
70,646 reviews
Reviews
127,616 reviews
Reviews
52 reviews
Reviews
636 reviews

Features

Worth the money

9.1
Worth the money
9.4
Worth the money
8.9
Worth the money
8.6
Worth the money
8.4

Lasts a long time

8.9
Lasts a long time
8.9
Lasts a long time
8.6
Lasts a long time
8.4
Lasts a long time
8.1

Simple to use

9.4
Simple to use
9.6
Simple to use
9.4
Simple to use
9.1
Simple to use
9.1

Movability

9.6
Movability
9.8
Movability
9.6
Movability
9.3
Movability
9.1

Storage space

9.4
Storage space
9.6
Storage space
9.6
Storage space
9.3
Storage space
9.1

Tech Specs

color

Black
color
Black
color
Black
color
Black
color
128GB Z60 USB 3.2 2PK

item weight

0.352 ounces
item weight
0.705 ounces
item weight
0.048 ounces
item weight
2.11 ounces
item weight
0.352 ounces

flash memory type

CompactFlash
flash memory type
USB
flash memory type
CompactFlash
flash memory type
USB
flash memory type
USB

customer reviews

4.7 4.7 out of 5 stars 170, 028 ratings 4.7 out of 5 stars
customer reviews
4.7 4.7 out of 5 stars 35, 323 ratings 4.7 out of 5 stars
customer reviews
4.6 4.6 out of 5 stars 63, 808 ratings 4.6 out of 5 stars
customer reviews
4.2 4.2 out of 5 stars 26 ratings 4.2 out of 5 stars
customer reviews
4.2 4.2 out of 5 stars 318 ratings 4.2 out of 5 stars

hardware platform

PC, Mac
hardware platform
PC, Mac
hardware platform
PC, Mac
hardware platform
-
hardware platform
PC, Mac

connectivity technology

USB
connectivity technology
USB
connectivity technology
USB
connectivity technology
-
connectivity technology
USB

product dimensions

0.26 x 1.67 x 0.52 inches
product dimensions
0.42 x 0.87 x 0.31 inches
product dimensions
1.17 x 0.56 x 0.2 inches
product dimensions
-
product dimensions
-

read speed

150 Megabytes Per Second
read speed
130 Megabytes Per Second
read speed
-
read speed
-
read speed
120 Megabytes Per Second

flash memory size

512
flash memory size
512
flash memory size
512
flash memory size
-
flash memory size
-

item dimensions lxwxh

0.26 x 1.67 x 0.52 inches
item dimensions lxwxh
0.42 x 0.87 x 0.31 inches
item dimensions lxwxh
1.17 x 0.56 x 0.2 inches
item dimensions lxwxh
-
item dimensions lxwxh
-

Review

Review Review Review
-
Review
-

Available On

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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
    21% Off

    SanDisk 512GB Ultra Flair USB 3.0 Flash Drive - SDCZ73-512G-G46,Black

    9.6 movability
    9.4 Simple to use
    9.4 Storage space

    Why we love it

    High-speed data transfer.
    Large storage capacity.
    Durable metal casing.
  • 9.7
    2
    Sandisk

    SanDisk 512GB Ultra USB 3.0 Flash Drive - SDCZ48-512G-G46, Black

    9.8 movability
    9.6 Simple to use
    9.6 Storage space

    Why we love it

    Fast transfer speeds up to 130MB/s.
    Large 512GB storage capacity.
    Secure encryption and password protection.
  • 9.6
    3
    Sandisk

    SanDisk 512GB Ultra Fit USB 3.2 Flash Drive - SDCZ430-512G-G46, Black

    9.6 movability
    9.6 Storage space
    9.4 Simple to use

    Why we love it

    High-speed data transfer.
    Compact and portable design.
    Versatile for multiple devices.

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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