Best SD Cards For ASUS ROG Ally
Expert recommendations based on ASUS ROG Ally X specifications
Recommended Spec
microSD UHS-II (V30 or faster)
The ROG Ally X has a UHS-II microSD reader, so a UHS-II card loads games faster than UHS-I. Windows runs from the internal SSD, and the card holds your game library.
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Official ASUS ROG Ally X SD Card Requirements
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Format: microSD UHS-II
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Minimum Speed: V30 (30 MB/s write)
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App Performance: A1 (Required for OS/Apps)
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Maximum Capacity: Up to 2TB
Why these requirements? The ROG Ally X has a UHS-II microSD reader and runs Windows from its internal SSD. A UHS-II card reads games faster than a UHS-I card, and an A2 rating helps with the random reads games make while loading. ASUS moved the reader away from the exhaust on the Ally X to avoid the card overheating reported on early original Ally units.
Detailed Specifications
Type
microSD UHS-II
Min Speed Class
V30
Write Speed
30 MB/s
Recommended Size
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 |
|
$$ Check Price | |
|
SanDisk Extreme microSD
Full Review
|
V30 | Up to 130 MB/s |
|
$ Check Price | |
Kingston Canvas Go! Plus
|
V30 | Up to 90 MB/s |
|
$ Check Price |
Compare These Cards
Open in full compare toolSee how the recommended cards for ASUS ROG Ally X stack up side by side, or swap in any other card.
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SanDisk microSD for ROG Ally
$$ · 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
- ASUS-licensed version of the SanDisk Extreme
- in 512GB and 1TB.
Cons
- Costs more than the standard Extreme with the same specs.
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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
- V30 and A2 with fast writes
- sold up to 1.5TB. Widely available
- so easy to buy genuine.
Cons
- Write speeds are lower on the 32GB and 64GB versions.
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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
- V30 and A2 with 90 MB/s writes. Often bundled with a USB reader.
Cons
- Less common in retail stores than SanDisk.
SanDisk Extreme microSD
The SanDisk Extreme microSD pairs V30 video speed with an A2 app rating and reads up to 190 MB/s. It covers 4K recording in drones and action cameras, game storage in handhelds, and app storage in phones. It is sold from 32GB to 1.5TB.
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
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Kingston 128GB Canvas Select Plus microSD Card | Up to 150MB/s | Class 10, UHS-I, U1, V10, A1 | SDCS3/128GB
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Frequently Asked Questions
What SD Card Do I Need for ASUS ROG Ally X?
The ASUS ROG Ally X takes a microSD UHS-II card rated V30 or faster. 512GB or 1TB covers most owners, and the maximum is 2TB. Buy SanDisk, Lexar, Samsung or Kingston from a reputable seller: counterfeit cards are the most common cause of lost files.
Which microSD cards should I avoid for the ROG Ally X?
Unbranded cards and cards from unverified marketplace sellers. Counterfeit SanDisk and Samsung cards are common and slow down under load.
Is the Ally X faster than the original Ally for SD cards?
Both have UHS-II readers. The Ally X moved the reader away from the exhaust, which addresses the card overheating some original Ally owners reported.
Do I need a UHS-II card for the Ally X, or is UHS-I fine?
UHS-I works; UHS-II loads faster. The difference shows most on large games with long load screens.
Is V30 required for ASUS ROG Ally X?
Yes. V30 guarantees 30 MB/s of sustained write, which keeps the ASUS ROG Ally X free of slow loads, stutter, or write errors. For load times, the A1 app rating matters more.
What size SD card should I get for ASUS ROG Ally X?
512GB covers light use; 1TB suits heavy use. The maximum is 2TB.
Can I use older or slower cards with ASUS ROG Ally X?
Not below V30. Slower cards cause slow loads, stutter, or write errors. Check the card label for the V30 mark.
Do I need a UHS-II card for ASUS ROG Ally X?
No, but it helps. The ASUS ROG Ally X has a UHS-II slot, so UHS-II cards write and offload faster. UHS-I cards work at UHS-I speed.
Does the brand matter for ASUS ROG Ally X?
Yes. SanDisk, Lexar, Samsung and Kingston cards meet their rated speeds. Buy from the brand's store or a major retailer: counterfeit cards sold under those names are common on marketplaces.
What happens if I use the wrong card with ASUS ROG Ally X?
A card slower than V30 causes slow loads, stutter, or write errors. A card over the maximum capacity or in the wrong format may not be recognized.
How long will an SD card last in ASUS ROG Ally X?
Several years in normal use. Cards usually fail from wear or counterfeit flash, not age. Replace yours at the first write error, corrupted file or "card not recognized" message.