Best SD Cards For Sony Walkman NW-A306
Expert recommendations based on HiBy R4 specifications
Recommended Spec
microSD / microSDXC (Class 10 / U1 or faster)
Using an A2-rated microSD card with your HiBy R4 keeps your music library organized and responsive. This means you can quickly jump between folders and tracks without waiting on a laggy system. With a snappy performance, you can focus on enjoying your music.
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#1 Top Pick for HiBy R4
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Official HiBy R4 SD Card Requirements
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Format: microSD / microSDXC
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Minimum Speed: Class 10 / U1 (10 MB/s write)
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App Performance: A2 (Recommended) (Required for OS/Apps)
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Maximum Capacity: Up to 2TB
Why these requirements? The HiBy R4 is a mid-range Android 12 DAP with a distinct 'Cyberpunk' industrial design. Because it runs open Android and supports streaming apps, it shares the same requirement as Sony Walkmans: an A2-rated card is highly recommended to keep the system snapping and responsive.
Detailed Specifications
Type
microSD / microSDXC
Min Speed Class
Class 10 / U1
Write Speed
10 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 Extreme microSD
Full Review
|
V30 | Up to 130 MB/s |
|
$ Check Price | |
Samsung PRO Plus microSD
Full Review
|
V30 | Up to 120 MB/s |
|
$ Check Price |
Compare These Cards
Open in full compare toolSee how the recommended cards for HiBy R4 stack up side by side, or swap in any other card.
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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Samsung PRO Plus microSD
$ · Mid-Range- UHS RatingUHS-I
- Speed ClassV30
- App PerformanceA2
- Read SpeedUp to 160 MB/s
- Write SpeedUp to 120 MB/s
- EnduranceStandard
Available Capacities64GB, 128GB, 256GB, 512GB, 1024GB
Pros
- Excellent performance for 4K video. Great thermal management. Durable design.
Cons
- More expensive than Samsung EVO Select.
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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.
Samsung PRO Plus microSD
The Samsung PRO Plus microSD offers excellent performance for 4K video recording, providing seamless playback and smooth editing. Its A2 App Performance Class ensures fast launching of mobile apps and efficient storage. With its durable design and excellent thermal management, users can rely on this microSD for heavy usage. Suitable for professionals and enthusiasts alike.
Target User:
Content creators, photographers, and videographers
Best For:
Action Cameras, Mirrorless Cameras, DSLR Cameras, Smartphones & Tablets
Choose Samsung PRO Plus over competitors with similar V30 speed class for its superior thermal management and reliable durability.
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 HiBy R4?
The HiBy R4 requires a microSD / microSDXC card with Class 10 / U1 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.
Is the HiBy R4 better than the R3 II?
They are different categories. The R4 runs Android, allowing you to install Spotify/Apple Music, but it is larger and heavier. The R3 II is a pure music player (no apps) that is much smaller. Both need SD cards.
Is Class 10 / U1 required for HiBy R4?
Yes, Class 10 / U1 is recommended for HiBy R4. 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 HiBy R4?
We recommend 512GB or 1TB cards. A 512GB 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 HiBy R4?
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.
Does the brand matter for HiBy R4?
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 HiBy R4?
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 HiBy R4?
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.