There is no SSD or capacity inside, you need to put in the 2230mm SSD yourself, Bus interface: NVMe PCIe Gen3x2, Form Factor CFexpress Type B The 2230 SSD thickness must be less than 2.2mm, otherwise, it cannot be put in Read write speeds of up to 1000-2000MB/s, offer low latency during high-speed recording and enhance workflow, Performance may be lower depending upon SSD, host device, usage conditions, and other factors Designed for next-gen video/photo cameras such as DSLR, cinema, and mirrorless cameras, enables smooth, RAW 4K/8K video support. Captures flawless RAW videos and photos in breathtaking 8K Ultra HD resolution CFexpress type b card is shockproof, anti-magnetic, moisture-proof, X-ray proof, cold and heat resistant, tough and durable, resistant to bending, and able to withstand extreme environments