Gigastone Micro SD Card 256GB
Score: 85/100
Gigastone SD Card 128GB
Score: 71/100Rankings
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 Gigastone 128 GB SDXC card offers a solid capacity and includes a convenient USB-C reader, backed by a 5-year data-recovery warranty. Its performance is limited by the lack of waterproofing and unspecified write speeds, making it less ideal for demanding 4K recording. Best suited for casual photographers needing extra storage and a handy reader.
| Attribute | | |
|---|---|---|
256 GBbest | 128 GB | |
130 MB/sbest | 100 MB/s | |
85 MB/sbest | — | |
| ↓ lower better | 20 g | 18 gbest |
5 yearsbest | 5 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage(1) | ||
Capacity (GB) | 256 GB | 128 GB |
Performance(3) | ||
Read Speed (MB/s) | 130 MB/s | 100 MB/s |
Speed Class | Class 10 | V30 |
Video Speed Class | V30 | U3 |
Design(2) | ||
Form Factor | microSDXC | SDXC |
Weight (g) | 20 g | 18 g |
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.
