Best SD Cards For Steam Deck
Expert recommendations based on ASUS ROG Ally specifications
Recommended Spec
microSD UHS-II (V30 or faster)
Using a microSD UHS-II card on your ASUS ROG Ally cuts game loading times in half, so you can get right back into the action. You'll also enjoy blazing-fast file transfers when importing or streaming gameplay. This means you can capture and share your gaming highlights without the wait.
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#1 Top Pick for ASUS ROG Ally
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Official ASUS ROG Ally SD Card Requirements
-
Format: microSD UHS-II
-
Minimum Speed: V30 (30 MB/s write)
-
Maximum Capacity: Up to 2TB
Why these requirements? The ROG Ally features a high-speed UHS-II card reader. Using a UHS-II card is highly recommended to minimize game loading times and accelerate file transfers. A V30 speed class is the minimum for stable performance.
Detailed Specifications
Type
microSD UHS-II
Min Speed Class
V30
Write Speed
30 MB/s
Recommended Size
256GB, 512GB, 1TB
Max Capacity
2TB
Top SD Card Recommendations
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| SD Card | Verified | Speed Class | Write Speed | Pros | Price |
|---|---|---|---|---|---|
SanDisk microSD for ROG Ally
|
V30 | Up to 130 MB/s |
|
$$ Check Price | |
|
SanDisk Extreme microSD
Full Review
|
V30 | Up to 130 MB/s |
|
$ Check Price | |
Kingston Canvas Go! Plus
|
V30 | Up to 90 MB/s |
|
$ Check Price |
Compare These Cards
Open in full compare toolSee how the recommended cards for ASUS ROG Ally stack up side by side, or swap in any other card.
recommended
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SanDisk microSD for ROG Ally
$$ · Premium- UHS RatingUHS-I
- Speed ClassV30
- App PerformanceA2
- Read SpeedUp to 190 MB/s
- Write SpeedUp to 130 MB/s
- EnduranceStandard
Available Capacities512GB, 1024GB
Pros
- Officially licensed. Cool branding.
Cons
- More expensive than standard Extreme.
recommended
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SanDisk Extreme microSD
$ · Mid-Range- UHS RatingUHS-I
- Speed ClassV30
- App PerformanceA2
- Read SpeedUp to 190 MB/s
- Write SpeedUp to 130 MB/s
- EnduranceStandard
Available Capacities32GB, 64GB, 128GB, 256GB, 512GB, 1024GB, 1500GB
Pros
- The gold standard. Fast
- reliable
- A2 rated
- and widely available.
Cons
- Write speeds are slower on 32GB/64GB capacities.
recommended
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Kingston Canvas Go! Plus
$ · Mid-Range- UHS RatingUHS-I
- Speed ClassV30
- App PerformanceA2
- Read SpeedUp to 170 MB/s
- Write SpeedUp to 90 MB/s
- EnduranceStandard
Available Capacities64GB, 128GB, 256GB, 512GB
Pros
- Fantastic performance. Often includes a fast reader.
Cons
- Harder to find in retail stores than SanDisk.
SanDisk Extreme microSD
The SanDisk Extreme microSD is the best-selling microSD card on Amazon, pairing V30 video speed with A2 app performance and read speeds up to 190 MB/s. It's a dependable all-rounder for 4K recording, app storage, and everyday file transfers, with capacities ranging from 32GB up to 1TB.
Target User:
Smartphone, drone, and action camera users who want one reliable card for both 4K video and app storage
Best For:
Action Cameras, Drones, Smartphones & Tablets, Mirrorless Cameras
Step up to the SanDisk Extreme PRO for higher sustained write speeds, or down to the Samsung EVO Select if 4K recording isn't a priority and price matters more.
Featured Products on Amazon
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Kingston Canvas Go Plus 128GB microSD Card | Up to 200MB/s | Class 10, UHS-I, U3, V30, A2 | SDCG4/128GB
$Check Price
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Kingston Canvas Go Plus 64GB microSD Card | Up to 200MB/s | Class 10, UHS-I, U3, V30, A2 | SDCG4/64GB
$Check Price
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SANDISK 128GB Extreme microSD UHS-I Card - Up to 245MB/s Read Speed and 120MB/s Write Speed, 5.3K Video, 4K UHD Video, high-Performance for Action cams, Drones, Android Devices - SDSQXH9-128G-GZ6MA
$Check Price
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Frequently Asked Questions
What SD Card Do I Need for ASUS ROG Ally?
The ASUS ROG Ally requires a microSD UHS-II card with V30 speed rating for reliable performance. We recommend 1TB capacity as the sweet spot balancing storage capacity with affordability. The device supports up to 2TB, though most users find 1TB sufficient for daily use. Always choose from trusted brands like SanDisk, Lexar, or Kingston to ensure consistent performance and avoid data loss.
Should I use a faster UHS-II card in the ROG Ally?
Yes, you absolutely should if you want the best performance. The ROG Ally's UHS-II card reader takes full advantage of the extra speed from a UHS-II card, resulting in faster game load times. Using a slower UHS-I card will work, but will bottleneck performance.
What is the best capacity for the ROG Ally?
A 512GB or 1TB card is the sweet spot for most users. Modern PC games are very large, and this capacity allows you to store a good number of AAA titles without constantly managing storage.
Is V30 required for ASUS ROG Ally?
Yes, V30 is recommended for ASUS ROG Ally. It guarantees a minimum sustained write speed of 30 MB/s, which is necessary for stable recording without dropped frames or errors.
What storage capacity should I get for ASUS ROG Ally?
We recommend 256GB or 512GB or 1TB cards. A 256GB card is good for typical use, with 2TB as the maximum supported capacity. Larger sizes are useful if you shoot frequently and want to minimize card swaps.
Can I use older or slower cards with ASUS ROG Ally?
Not recommended. Cards slower than V30 may cause dropped frames, corrupted files, or recording failures. Always use V30 minimum for reliability.
Do I need a UHS card for ASUS ROG Ally?
UHS cards are recommended for best performance with ASUS ROG Ally. Non-UHS cards will work but may have slower transfer speeds. For this device, UHS-II is optimal.
Does the brand matter for ASUS ROG Ally?
Yes, trusted brands like SanDisk, Lexar, and Kingston are recommended. Quality brands have better reliability and warranty support. Avoid unknown brands, especially for demanding devices.
What happens if I use the wrong card with ASUS ROG Ally?
Using cards slower than V30 can cause: dropped frames during recording, corrupted files, or complete recording failure. Stick to V30 minimum to avoid data loss.
How long will an SD card last with ASUS ROG Ally?
Quality SD cards typically last 3-5 years with normal use. Replace your card if you experience read/write errors, corrupted files, or if it's been dropped or exposed to extreme conditions.