Experience the CFexpress 4.0 advantage and capture 8K raw cinema-quality video with the 256GB Professional DIAMOND CFexpress 4.0 Type B Memory Card from Lexar, which delivers read speeds of up to 3700 MB/s, write speeds of up to 3400 MB/s, and sustained write speeds of 3200 MB/s, all of which help to expedite post-production. Additionally, thanks to its VPG-400 rating, write speeds are guaranteed not to drop below 400 MB/s. Also featured is 8-point protection against temperatures, vibration, wear-out, dust (IP5X), drops, shocks, compression, and bends. Protection is provided by a limited lifetime warranty and data recovery software.