SD Card Checker Logo SD Card Checker
Anbernic RG Cube SD card requirements

Best SD Card for Anbernic RG Cube

Expert recommendations based on Anbernic RG Cube specifications

Recommended Spec

microSD UHS-I (Class 10 / U1 or faster)

95-inch, 1:1 aspect ratio display, running Android 13 on a Unisoc T820 processor.

Official Anbernic RG Cube SD Card Requirements

  • Format: microSD UHS-I
  • Minimum Speed: Class 10 / U1 (10 MB/s write)
  • App Performance: A1 (Required for OS/Apps)
  • Maximum Capacity: Up to 2TB
Why these requirements? The RG Cube's defining feature is its 3.95-inch, 1:1 aspect ratio display, running Android 13 on a Unisoc T820 processor. The square screen makes it the go-to machine for dual-screen systems like DS and 3DS, plus classic 8-bit and 16-bit retro titles. Because older ROMs have tiny file sizes, a 128GB card is the sweet spot for this community — retro purists generally don't need the 1TB+ capacity that PS2/Switch-focused devices demand, but they do need premium brand reliability to avoid corrupting hundreds of save states across a large curated library.

Detailed Specifications

Type
microSD UHS-I
Min Speed Class
Class 10 / U1
Write Speed
10 MB/s
Recommended Size
128GB, 256GB
Max Capacity
2TB

Top SD Card Recommendations

This website contains affiliate links. We may earn a small commission when you purchase through our links at no extra cost to you.

SD Card Verified Speed Class Write Speed Pros Price
SanDisk Ultra microSD V10 SD card - 20USD
SanDisk Ultra microSD
 Full Review 		V10 Up to 20 MB/s
  • Cheap
  • reliable
  • huge capacities available.
 $ Check Price
Samsung EVO Select (Blue) V30 SD card - 20USD
Samsung EVO Select (Blue)
 		V30 Up to 60 MB/s
  • Best value for money. Excellent 10-year warranty.
 $ Check Price
Kingston Canvas Go! Plus V30 SD card - 45USD
Kingston Canvas Go! Plus
 		V30 Up to 90 MB/s
  • Fantastic performance. Often includes a fast reader.
 $ Check Price

Compare These Cards

Open in full compare tool

See how the recommended cards for Anbernic RG Cube stack up side by side, or swap in any other card.

budget
SanDisk Ultra microSD

SanDisk Ultra microSD

 $ · Budget
  • UHS RatingUHS-I
  • Speed ClassV10
  • App PerformanceA1
  • Read SpeedUp to 195 MB/s
  • Write SpeedUp to 20 MB/s
  • EnduranceStandard
Available Capacities32GB, 64GB, 128GB, 256GB, 512GB, 1024GB, 1500GB

Pros

  • Cheap
  • reliable
  • huge capacities available.

Cons

  • Too slow for 4K video.
View on Amazon
budget
Samsung EVO Select (Blue)

Samsung EVO Select (Blue)

 $ · Budget
  • UHS RatingUHS-I
  • Speed ClassV30
  • App PerformanceA2
  • Read SpeedUp to 130 MB/s
  • Write SpeedUp to 60 MB/s
  • EnduranceStandard
Available Capacities64GB, 128GB, 256GB, 512GB

Pros

  • Best value for money. Excellent 10-year warranty.

Cons

  • Slower write speeds than SanDisk Extreme.
View on Amazon
recommended
Kingston Canvas Go! Plus

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.
View on Amazon

SanDisk Ultra microSD

The SanDisk Ultra microSD is a high-volume budget pick offering read speeds up to 195 MB/s for quick transfers and app loading. Its lighter write performance and V10 rating make it better suited to photos and everyday storage than sustained 4K video.

Target User: Budget-conscious smartphone and tablet users who want fast file transfers without 4K video demands
Best For: Smartphones & Tablets, Dash Cams, Drones

Upgrade to the SanDisk Extreme microSD if you need V30-rated write speeds for 4K video; stick with the Ultra for photos and casual use where price is the priority.

Frequently Asked Questions

What SD Card Do I Need for Anbernic RG Cube?
The Anbernic RG Cube requires a microSD UHS-I card with Class 10 / U1 speed rating for reliable performance. We recommend 256GB capacity as the sweet spot balancing storage capacity with affordability. The device supports up to 2TB, though most users find 256GB sufficient for daily use. Always choose from trusted brands like SanDisk, Lexar, or Kingston to ensure consistent performance and avoid data loss.
Why does the RG Cube have a square screen?
The 3.95-inch 1:1 aspect ratio display is designed specifically for dual-screen systems like Nintendo DS and 3DS, which render both screens stacked vertically without letterboxing or stretching. It's also well suited to classic 8-bit and 16-bit games with square or near-square native resolutions.
Do I need a 1TB microSD card for the RG Cube?
No, most users don't. Unlike PS2/Switch-focused Android handhelds, the RG Cube's core audience plays DS, 3DS, and classic retro titles with small file sizes. A 128GB card is the practical sweet spot — prioritize a premium, reliable brand over raw capacity to protect save states.
What microSD card brand is best for save-state reliability on the RG Cube?
Stick to established brands like SanDisk, Samsung, or Kingston. Retro emulation front-ends store hundreds of save states, and a corrupted card can wipe out progress across an entire library. Avoid unbranded cards even if they advertise high capacity.
Is Class 10 / U1 required for Anbernic RG Cube?
Yes, Class 10 / U1 is recommended for Anbernic RG Cube. It guarantees a minimum sustained write speed of 10 MB/s, which is necessary for stable recording without dropped frames or errors.
What storage capacity should I get for Anbernic RG Cube?
We recommend 128GB or 256GB cards. A 128GB 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 Anbernic RG Cube?
Not recommended. Cards slower than Class 10 / U1 may cause dropped frames, corrupted files, or recording failures. Always use Class 10 / U1 minimum for reliability.
Do I need a UHS card for Anbernic RG Cube?
UHS cards are recommended for best performance with Anbernic RG Cube. Non-UHS cards will work but may have slower transfer speeds. For this device, UHS-II is optimal.
Does the brand matter for Anbernic RG Cube?
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 Anbernic RG Cube?
Using cards slower than Class 10 / U1 can cause: dropped frames during recording, corrupted files, or complete recording failure. Stick to Class 10 / U1 minimum to avoid data loss.
How long will an SD card last with Anbernic RG Cube?
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.

Related

Best SD Cards For Anbernic RG556
Best SD Cards For Nintendo 3DS / New 3DS XL
Best SD Cards For Miyoo Mini Plus