Gigastone Micro SD Card 256GB
Score: 85/100
ADATA Speed Plus 128GB
Score: 85/100Rankings
Gigastone's 256 GB microSDXC delivers fast up to 130 MB/s reads, rugged waterproof and shockproof construction, and broad device compatibility, all with a 5-year warranty. The UHS-I interface caps peak performance and speed claims can be inconsistent, so buyers should verify authenticity. Ideal for budget-conscious creators and gamers who need reliable 4K storage.
The ADATA Speed Plus 128 GB microSDXC offers top-tier sequential speeds and A2 app performance, backed by a lifetime warranty. Its full speed potential is limited to UHS-I U3 readers and it lacks explicit rugged certifications. Best suited for content creators and power users needing fast 4K capture.
| Attribute | | |
|---|---|---|
256 GBbest | 128 GB | |
130 MB/s | 180 MB/sbest | |
85 MB/s | 160 MB/sbest | |
| ↓ lower better | 20 g | 0.25 gbest |
5 yearsbest | — | |
| ↓ lower better | — | 1 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage(1) | ||
Capacity (GB) | 256 GB | 128 GB |
Performance(4) | ||
Read Speed (MB/s) | 130 MB/s | 180 MB/s |
Write Speed (MB/s) | 85 MB/s | 160 MB/s |
UHS Speed Class | UHS‑I U3 | U3 |
Interface | UHS‑I | SD 6.0 |
Design(2) | ||
Form Factor | microSDXC | microSD |
Weight (g) | 20 g | 0.25 g |
General(1) | ||
Warranty (years) | 5 years | Lifetime years |
Products in the top-left offer the best value (high score, low price).
Professional reviewers commend the Gigastone 256 GB 4K Pro for its fast read speeds, solid V30/U3 rating, and rugged build, making it a capable choice for 4K video and gaming on a budget. However, they caution that the UHS-I interface limits peak performance, independent benchmarks are lacking, and there are documented counterfeit concerns, which together temper enthusiasm for demanding professional workflows.
Everyday users generally appreciate the card's ability to handle 4K video on devices like GoPro and Nintendo Switch, its quick transfer times, and the peace of mind offered by the free data recovery warranty. Recurring themes include satisfaction with durability and convenience of the included adapter, alongside worries about possible counterfeit units and occasional speed drops when the card fills up.
Professional reviewers have not published a dedicated review of the Speed Plus 128GB A2 model; however, editors note that similar ADATA cards are praised for high sequential speeds and A2 random performance, while emphasizing that real-world results depend on the host device and that a dedicated UHS-I reader is needed to reach peak speeds.
Everyday users of related ADATA microSD cards appreciate the reliable capacity expansion and solid performance for mobile devices, but they frequently mention that actual speeds may fall short of specifications on slower hosts and wish for clearer ruggedness ratings.
