Memorable A Quality Memory Card: Capture your subject quickly and reliably with Sabrent Rocket CFX Type B (CF-XXIT) memory cards. Get as much space and performance as you need and create your content without compromise. Professional users will enjoy the high power efficiency and endurance provided by top-grade hardware. Never miss a shot. Dont be held back by inferior storage media. Performance High Speed Transfers: Our Rocket CFX Type B memory cards utilize dual PCIe 3.0 lanes to reach speeds of up to 1,800 MB/s for reads and 1,700 MB/s for writes to give you the fastest transfer rates possible. Sustained writes with the potential of up to 1,300 MB/s at 1TB and up, offer enough speed for any type of HD recording. IOPs of up to over 300,000 allow quick access to all of your photos and files.