Lexar Gold Series Professional 1800x 128GB UHS-II U3 SDXC Memory Card U3) and Video Speed Class 60 (V60) for your professional DSLR and mirrorless cameras Leverages UHS-II technology to deliver read speeds of up to 270 MB/s Captures high-quality images and extended lengths of Full-HD video and 4K with write speeds up to 180 MB/s Designed for durability. Product Dimensions: 5.5 x 4 x 0.21 inches Item Weight: 0.48 ounces Professional-grade performance to meet your needs. Designed for your DSLR or mirrorless cameras, the GOLD Series Lexar Professional 1800x SDXC UHS-II Card lets you capture and quickly transfer high-quality photos and stunning Full-HD and 4K videos with read speeds of up to 270 MB/s. Featuring the latest UHS-II technology and video speed class 60 (V60) rating, this card dramatically speeds up your workflow from start to finish. Accelerate your workflow from the field to post-production. The Lexar Professional 1800x GOLD Series SDXC UHS-II card delivers super-fast read speeds of up to 270 MB/s to speed up your post-production workflow, saving you time and getting back to the business of photography. V60 rated to capture smooth Full HD and 4K video. With the latest UHS-II technology and write speeds up to 180 MB/s, the Lexar Professional 1800x GOLD Series SDXC UHS-II Card lets you handle burst mode photos with ease. And, with V60 and UHS Speed Class 3 (U3), seamlessly capture stunning Full HD and 4K videos with a large 128GB capacity. Designed for durability. These cards provide the performance you need to capture and store valuable data on a variety of items. The SUS-II SDXC Professional 1800x card is waterproof, temperature proof, shockproof, vibration proof and X-ray proof.