
Kingston SD10V 8GB
Score: 47/100
Gigastone 4GB SD 2-Pack
Score: 38/100Rankings

The Kingston Digital 8 GB SDHC/SDXC Class 10 UHS-I card offers rugged durability and a lifetime warranty, with modest 30 MB/s read/write speeds suitable for HD video and standard photography. Its low capacity and limited speed make it unsuitable for 4K or professional cinema applications.

The Gigastone 4 GB SDHC Class 4 2-pack provides a low-cost, rugged storage option for legacy devices, offering basic Class 4 performance, waterproof and shock-proof protection, and extra mini cases, but its tiny capacity and modest speeds limit use to older or low-demand equipment.
| Attribute | ![]() | ![]() |
|---|---|---|
8 GBbest | 4 GB | |
30 MB/sbest | 20 MB/s | |
30 MB/sbest | 20 MB/s | |
— | 5 yearsbest | |
| ↓ lower better | 1 gbest | 10 g |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage & Capacity(1) | ||
Capacity (GB) | 8 GB | 4 GB |
Performance(4) | ||
Maximum Read Speed (MB/s) | 30 MB/s | 20 MB/s |
Maximum Write Speed (MB/s) | 30 MB/s | 20 MB/s |
Bus Interface | UHS-I | SDHC |
Speed Class | Class 10 | Class 4 |
Compatibility(1) | ||
Compatible Devices | SDHC and SDXC host devices | Full compatibility with SDHC‑labeled devices |
Physical(1) | ||
Weight (g) | 1 g | 10 g |

Products in the top-left offer the best value (high score, low price).

Reviewers describe the SDA10 series as a dependable, high-value Class 10 UHS-I card that hits its advertised 90 MB/s read and 45 MB/s write speeds, making it suitable for most consumer photography and 1080p video needs.
Users praise reliability, durability in extreme conditions, and fast transfer rates, while noting limited speed for 4K and occasional confusion with slower Kingston models.

“Perfect for my DSLR - no dropped frames during HD video.”

“Used it on a beach trip - survived sand, water, and heat.”

“Fast transfer speeds and plenty of space for RAW photos.”



Professional reviewers note that while the Gigastone 4GB card complies with basic SD Association standards, its Class 4 speed and limited capacity render it obsolete for contemporary cameras and devices. It is positioned as a budget OEM solution suitable only for legacy hardware or low-risk environments.
Everyday users appreciate the card's durability, low price, and suitability for older cameras, trail cams, and POS systems. Praise centers on its ruggedness, included mini case, and value in bulk packs, while complaints focus on the tiny 4 GB capacity, slower speeds, and occasional mismatched shipments.