Active Tech Electronics provide the best MicroSD Card – 8GB (SD8GB) Our 8GB MicroSD card (SD8GB) is one of the best on the market. It is designed for maximum speed, reliability and performance. It is capable of storing up to 8GB of data and is compatible with a wide range of devices. This card is perfect for digital cameras, smartphones and other portable devices. It is built with a durable design and is shockproof, waterproof and X-ray proof. The card also comes with a 10-year limited warranty.