The WD Purple SC QD101 128GB Smart Video Surveillance microSDXC Card by Western Digital is a high-capacity solid-state drive designed for use in surveillance cameras. With a storage capacity of 128GB, this microSDXC card offers ultra endurance for continuous recording and reliable performance. Compatible with the SC QD101 model, this memory card is perfect for expanding storage capacity in smart video surveillance systems, ensuring smooth and uninterrupted operation.