LEXAR, PROFESSIONAL CFEXPRESS CARD Experience the CFexpress 4.0 advantage and capture 8K raw cinema-quality video with the 1TB Professional GOLD CFexpress 4.0 Type B Memory Card from Lexar, which delivers read speeds of up to 3600 MB/s, write speeds of up to 3300 MB/s, and sustained write speeds of 3000 MB/s, all of which help to expedite post-production. 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. This card will need to be formatted in the Leica SL3 prior to first use Technical Specifications Quantity: 1 Card Type: CFexpress 4.0 Type B Storage Capacity: 1 TB Bus Type: PCI-Express 4.0 Read Speed: Maximum: 3600 MB/s Write Speed: Maximum: 3300 MB/s; Sustained: 3000 MB/s Operating Temperature: 14 to 158F / -10 to 70C Storage Temperature: -40 to 185F / -40 to 85C Certifications: WEEE, FCC, CE, C-Tick, VCCI *as per Manufacturer Warranty: Limited lifetime warranty