512GB microSD card prices: cheapest 512GB offers by price per GB
512GB microSD card: the cheapest new offer on amazon.com right now is Kootion Micro 512 GB for $91.99, which is $0.180 per GB. The median of the 4 new 512GB offers is $114.50 (as of Oct 28, 2026 at 1:17 AM UTC). The list below shows all 8 offers in this size with price, condition and price timestamp, sorted by price per GB.
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| Compare | Trend 30 days | Form factor | Technology | Condition | Product | Store | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| $0.122 | $62.54 | 512 GB | ▼ 5.9 % | $0.122 | n/a | microSD | Flash | UsedUsed90d low | Kootion Micro 512 GB90-day low | 90d lowView * | ||
| $0.180 | $91.99 | 512 GB | 0.0 % | $0.180 | n/a | microSD | Flash | NewNew | Kootion Micro 512 GB | |||
| $0.180 | $92.00 | 512 GB | ▼ 7.1 % | $0.180 | n/a | microSD | Flash | UsedUsed90d low | Samsung P9 Express 512 GB90-day low | 90d lowView * | ||
| $0.193 | $99.00 | 512 GB | ▼ 1.0 % | $0.193 | n/a | microSD | Flash | NewNew90d low | Samsung P9 Express 512 GB90-day low | 90d lowView * | ||
| $0.239 | $122.19 | 512 GB | n/a | $0.209 | n/a | microSD | Flash | UsedUsed | SanDisk Express 512 GB | |||
| $0.254 | $129.99 | 512 GB | 0.0 % | $0.249 | n/a | microSD | Flash | NewNew | SanDisk Express 512 GB | |||
| $0.391 | $200.24 | 512 GB | n/a | $0.382 | n/a | microSD | Flash | UsedUsed | Viofo Industrial Grade High Endurance 512 GB | |||
| $0.449 | $229.99 | 512 GB | 0.0 % | $0.449 | n/a | microSD | Flash | NewNew | Viofo Industrial Grade High Endurance 512 GB |
No offers match these filters.
How much does a 512GB microSD card cost?
A 512GB microSD card costs from $91.99 new on amazon.com. Half of the 4 new offers cost less than $114.50, the other half more. Per GB, that is from $0.180.
Price per GB is the total price divided by capacity, with 1 GB equal to 10^9 bytes. Shipping is not included. ratioDB checks prices regularly and shows on every offer when its price was last checked.
Which 512GB microSD card is cheapest per GB?
The cheapest per GB right now is Kootion Micro 512 GB at $0.180 per GB. The table shows the 4 cheapest new 512GB offers.
Cheapest new 512GB offers on amazon.com, as of Oct 28, 2026 at 1:17 AM UTC
| Model | Price | Price per GB |
|---|---|---|
| Kootion Micro 512 GB | $91.99 | $0.180 |
| Samsung P9 Express 512 GB | $99.00 | $0.193 |
| SanDisk Express 512 GB | $129.99 | $0.254 |
| Viofo Industrial Grade High Endurance 512 GB | $229.99 | $0.449 |
Check warranty and condition when you compare. Every row in the list shows whether an offer is new, renewed or used.
Is 512GB cheaper per GB than other sizes?
Yes, 512GB is the cheapest size per GB right now: $0.180 per GB for the cheapest new offer.
Cheapest new offer per size, microSD cards on amazon.com, as of Oct 28, 2026 at 1:17 AM UTC
Bigger models are not automatically cheaper per GB. Compare price per GB before you settle on a size.
Which 512GB microSD card do I need?
For cameras, drones and 4K video, the card should carry at least the U3 or V30 class. These classes stand for at least 30 MB/s when writing. For phones and tablets, the app performance class A1 or A2 is recommended. The Nintendo Switch 2 needs a microSD Express card.
Which card suits the Switch 2, a camera or a phone is covered in microSD Express.
How have 512GB microSD card prices developed?
The index for 512GB microSD card is at $0.224 per GB and has changed by -9.9% over 30 days. Its lowest value over the last 90 days is $0.224 per GB.
The index is the median of up to 10 cheapest new offers in this size per day. The percentages only compare offers that had a price on both days. The chart above shows the history day by day.
Is a renewed or used 512GB offer worth it?
There are 4 used offers from $0.122 per GB. New starts at $0.180 per GB. A used offer pays off mainly if it is clearly cheaper and comes with a warranty.
ratioDB never includes used or renewed offers in the index. What to watch for is covered in Refurbished hard drives.
512GB microSD card FAQ
How much does a 512GB microSD card cost right now?
New from $91.99 on amazon.com, which is $0.180 per GB (as of Oct 28, 2026 at 1:17 AM UTC). The median of the 4 new offers is $114.50.
How current are the prices?
ratioDB checks amazon.com prices regularly, usually several times a day. Every offer shows when its price was last checked. Amazon may have changed the price since.
Why does ratioDB show price per GB?
Price per GB makes different sizes and offers comparable. You see right away whether a 512GB offer is cheap or whether another size gets you more storage for the money.
Are used offers in the list?
Yes, the list shows new, renewed and used offers, every row labeled with its condition. The index and the values in the tables of this text use new offers only.