Product Description. Lexar's 64GB High-Performance 800x PRO UHS-I SDXC Memory Card is ideal for point-and-shoot cameras, mid-range DSLRs, and HD camcorders. It offers 64GB storage, UHS-I bus, and can capture 4K, Full HD, 3D video, raw, and JPEG files at up to 150 MB/s. Product Highlights. UHS- Technology. Higher transfer speeds of up to 120MB/s. Capture high-quality images and stunning 4K UHD video with ease. High-speed performance lets you transfer files from card to computer to accelerate your workflow dramatically. Designed for durability-temperature, shock, vibration, and X-ray proof. Product Specifications. Color: Black/Blue. Special Features: Water, temperature, shock, vibration and X-ray proof. Capture adventures in 1080p Full-HD and 4K UHD video. Save time with an accelerated workflow. High-speed performance for shooting everyday adventures. Read speed up to 120MB/s. Read Speed: 120 Megabytes Per Second. Product Dimensions: 0.95"D x 1.25"W x 0.08"H. Item Weight: 13.61 g. Write Speed: 120 MB per second. Hardware Interface: SDXC. Secure Digital Association Speed Class: Class 10. Product Dimensions: 1.25"L x 0.95"W. Manufacturer: Lexar International. RAM: 64 GB. Item model number: LSD0800064G-B2NNU. Item Weight: 0.48 ounces. Item Dimensions LxWxH: 5.5 x 4 x 0.21 inches